Update messenger-backend submodule.

* Update messenger-backend submodule.
* display a swipe able media gallery when one taps an image
* display a tiled gallery from chat-menu and from preview gallery
* changed some utility classes to handle the new situations

AndroidManifest.xml

@@ -192,7 +192,6 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize" />
 
     <activity android:name=".GroupCreateActivity"
-          android:windowSoftInputMode="stateVisible"
           android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".DatabaseUpgradeActivity"
@@ -300,6 +299,14 @@
               android:windowSoftInputMode="stateVisible"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
+    <activity android:name=".QrScanActivity"
+            android:theme="@style/TextSecure.LightTheme"
+            android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
+     <activity android:name=".QrShowActivity"
+            android:theme="@style/TextSecure.LightTheme"
+            android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
     <activity android:name=".ClearProfileAvatarActivity"
               android:theme="@style/Theme.AppCompat.Dialog.Alert"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"
@@ -324,6 +331,10 @@
               android:theme="@style/TextSecure.LightNoActionBar"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
+    <activity android:name=".preferences.ChatBackgroundActivity"
+        android:theme="@style/TextSecure.LightTheme"
+        android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
     <service android:enabled="true" android:name="org.thoughtcrime.securesms.service.WebRtcCallService"/>
     <service android:enabled="true" android:exported="false" android:name=".service.KeyCachingService"/>
     <service android:enabled="true" android:name=".service.MessageRetrievalService"/>

build.gradle

@@ -83,6 +83,8 @@ dependencies {
     compile 'org.whispersystems:signal-service-android:2.7.6'
     compile 'org.whispersystems:webrtc-android:M68'
 
+    compile 'com.journeyapps:zxing-android-embedded:3.4.0'
+
     compile "me.leolin:ShortcutBadger:1.1.16"
     compile 'se.emilsjolander:stickylistheaders:2.7.0'
     compile 'com.jpardogo.materialtabstrip:library:1.0.9'
@@ -96,7 +98,6 @@ dependencies {
     compile 'pl.tajchert:waitingdots:0.1.0'
     compile 'com.soundcloud.android:android-crop:0.9.10@aar'
     compile 'com.melnykov:floatingactionbutton:1.3.0'
-    compile 'com.google.zxing:android-integration:3.1.0'
     compile 'com.squareup.dagger:dagger:1.2.2'
     annotationProcessor 'com.squareup.dagger:dagger-compiler:1.2.2'
     compile 'mobi.upod:time-duration-picker:1.1.3'
@@ -185,7 +186,6 @@ dependencyVerification {
         'com.makeramen:roundedimageview:1f5a1865796b308c6cdd114acc6e78408b110f0a62fc63553278fbeacd489cd1',
         'org.greenrobot:eventbus:180d4212467df06f2fbc9c8d8a2984533ac79c87769ad883bc421612f0b4e17c',
         'com.soundcloud.android:android-crop:ffd4b973cf6e97f7d64118a0dc088df50e9066fd5634fe6911dd0c0c5d346177',
-        'com.google.zxing:android-integration:89e56aadf1164bd71e57949163c53abf90af368b51669c0d4a47a163335f95c4',
         'com.squareup.dagger:dagger:789aca24537022e49f91fc6444078d9de8f1dd99e1bfb090f18491b186967883',
         'com.amulyakhare:com.amulyakhare.textdrawable:54c92b5fba38cfd316a07e5a30528068f45ce8515a6890f1297df4c401af5dcb',
         'com.google.zxing:core:b4d82452e7a6bf6ec2698904b332431717ed8f9a850224f295aec89de80f2259',
@@ -255,8 +255,8 @@ android {
     }
 
     defaultConfig {
-        versionCode 392
-        versionName "0.0.1"
+        versionCode 398
+        versionName "0.0.8"
         applicationId "chat.delta.androidii"
 
         minSdkVersion 14

jni/Android.mk

@@ -927,7 +927,6 @@ messenger-backend/src/dc_strbuilder.c \
 messenger-backend/src/dc_strencode.c \
 messenger-backend/src/dc_token.c \
 messenger-backend/src/dc_tools.c \
-messenger-backend/src/dc_uudecode.c \
 dc_wrapper.c
 
 include $(BUILD_SHARED_LIBRARY)

jni/dc_wrapper.c

@@ -547,34 +547,6 @@ JNIEXPORT jint Java_com_b44t_messenger_DcContext_sendTextMsg(JNIEnv *env, jobjec
 }
 
 
-JNIEXPORT jint Java_com_b44t_messenger_DcContext_sendVcardMsg(JNIEnv *env, jobject obj, jint chat_id, jint contact_id)
-{
-	return dc_send_vcard_msg(get_dc_context(env, obj), chat_id, contact_id);
-}
-
-
-JNIEXPORT jint Java_com_b44t_messenger_DcContext_sendMediaMsg(JNIEnv *env, jobject obj, jint chat_id, jint type, jstring file, jstring mime, jint w, jint h, jint ms, jstring author, jstring trackname)
-{
-	jint msg_id = 0;
-	CHAR_REF(file);
-	CHAR_REF(mime);
-	CHAR_REF(author);
-	CHAR_REF(trackname);
-	switch (type) {
-		case DC_MSG_IMAGE: msg_id = (jint)dc_send_image_msg(get_dc_context(env, obj), chat_id, filePtr, mimePtr, w, h); break;
-		case DC_MSG_VIDEO: msg_id = (jint)dc_send_video_msg(get_dc_context(env, obj), chat_id, filePtr, mimePtr, w, h, ms); break;
-		case DC_MSG_VOICE: msg_id = (jint)dc_send_voice_msg(get_dc_context(env, obj), chat_id, filePtr, mimePtr, ms); break;
-		case DC_MSG_AUDIO: msg_id = (jint)dc_send_audio_msg(get_dc_context(env, obj), chat_id, filePtr, mimePtr, ms, authorPtr, tracknamePtr); break;
-		default:           msg_id = (jint)dc_send_file_msg (get_dc_context(env, obj), chat_id, filePtr, mimePtr); break;
-	}
-	CHAR_UNREF(trackname);
-	CHAR_UNREF(author);
-	CHAR_UNREF(mime);
-	CHAR_UNREF(file);
-	return msg_id;
-}
-
-
 /* DcContext - handle config */
 
 JNIEXPORT void Java_com_b44t_messenger_DcContext_setConfig(JNIEnv *env, jobject obj, jstring key, jstring value /*may be NULL*/)
@@ -754,6 +726,12 @@ JNIEXPORT jlong Java_com_b44t_messenger_DcChatlist_getChatCPtr(JNIEnv *env, jobj
 }
 
 
+JNIEXPORT jint Java_com_b44t_messenger_DcChatlist_getMsgId(JNIEnv *env, jobject obj, jint index)
+{
+	return dc_chatlist_get_msg_id(get_dc_chatlist(env, obj), index);
+}
+
+
 JNIEXPORT jlong Java_com_b44t_messenger_DcChatlist_getMsgCPtr(JNIEnv *env, jobject obj, jint index)
 {
 	dc_chatlist_t* chatlist = get_dc_chatlist(env, obj);
@@ -1010,9 +988,9 @@ JNIEXPORT void Java_com_b44t_messenger_DcMsg_lateFilingMediaSize(JNIEnv *env, jo
 }
 
 
-JNIEXPORT jint Java_com_b44t_messenger_DcMsg_getBytes(JNIEnv *env, jobject obj)
+JNIEXPORT jlong Java_com_b44t_messenger_DcMsg_getFilebytes(JNIEnv *env, jobject obj)
 {
-	return (jint)dc_msg_get_filebytes(get_dc_msg(env, obj));
+	return (jlong)dc_msg_get_filebytes(get_dc_msg(env, obj));
 }
 
 
@@ -1064,12 +1042,6 @@ JNIEXPORT jstring Java_com_b44t_messenger_DcMsg_getFilename(JNIEnv *env, jobject
 }
 
 
-JNIEXPORT jlong Java_com_b44t_messenger_DcMsg_getMediainfoCPtr(JNIEnv *env, jobject obj)
-{
-	return (jlong)dc_msg_get_mediainfo(get_dc_msg(env, obj));
-}
-
-
 JNIEXPORT jboolean Java_com_b44t_messenger_DcMsg_isForwarded(JNIEnv *env, jobject obj)
 {
     return dc_msg_is_forwarded(get_dc_msg(env, obj))!=0;
@@ -1133,16 +1105,6 @@ JNIEXPORT void Java_com_b44t_messenger_DcMsg_setDuration(JNIEnv *env, jobject ob
 }
 
 
-JNIEXPORT void Java_com_b44t_messenger_DcMsg_setMediainfo(JNIEnv *env, jobject obj, jstring author, jstring trackname)
-{
-	CHAR_REF(author);
-	CHAR_REF(trackname);
-		dc_msg_set_mediainfo(get_dc_msg(env, obj), authorPtr, tracknamePtr);
-	CHAR_UNREF(trackname);
-	CHAR_UNREF(author);
-}
-
-
 /*******************************************************************************
  * DcContact
  ******************************************************************************/

res/drawable/ic_help_24dp.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
+    android:src="@drawable/ic_help_white_24dp"
+    android:tint="?attr/pref_icon_tint"/>

res/drawable/ic_invite_24dp.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
+    android:src="@drawable/ic_mood_white_24dp"
+    android:tint="?attr/pref_icon_tint"/>

res/drawable/no_message_rounded_background.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <solid android:color="#8000" />
+    <padding
+        android:left="1dp"
+        android:right="1dp"
+        android:bottom="1dp"
+        android:top="1dp" />
+    <corners android:radius="8dp" />
+</shape>

res/layout/activity_qr_scan.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <com.journeyapps.barcodescanner.CompoundBarcodeView
+        android:id="@+id/zxing_barcode_scanner"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_alignParentBottom="true" />
+
+</RelativeLayout>

res/layout/activity_qr_show.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <ImageView
+        android:id="@+id/qrImage"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:contentDescription="@string/qr_scan_activity__title" />
+
+    <TextView
+        android:id="@+id/qrShowHint"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="16dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:text=""
+        android:textAlignment="center"
+        android:textAppearance="@style/TextAppearance.AppCompat"
+        android:textSize="16sp" />
+
+</LinearLayout>

res/layout/activity_select_chat_background.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/layout_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/preview"
+        android:scaleType="centerCrop"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_gravity="bottom">
+
+        <Button
+            android:id="@+id/set_default_button"
+            android:theme="@style/Button.Primary"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="0.5"
+            android:text="Set default" />
+
+        <Button
+            android:id="@+id/from_gallery_button"
+            android:theme="@style/Button.Primary"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="0.5"
+            android:text="From gallery" />
+    </LinearLayout>
+
+</FrameLayout>

res/layout/alert_view.xml

@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<merge xmlns:android="http://schemas.android.com/apk/res/android"
-       xmlns:tools="http://schemas.android.com/tools">
-
-    <ImageView
-        android:id="@+id/sms_failed_indicator"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:src="@drawable/ic_error"
-        android:visibility="gone"
-        android:tint="@color/core_red"
-        tools:visibility="visible"
-        android:contentDescription="@string/conversation_item_sent__send_failed_indicator_description" />
-
-    <ImageView
-        android:id="@+id/pending_approval_indicator"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:src="@drawable/ic_error"
-        android:tint="@color/core_light_60"
-        android:visibility="gone"
-        tools:visibility="visible"
-        android:layout_gravity="center_vertical"
-        android:contentDescription="@string/conversation_item_sent__pending_approval_description" />
-
-</merge>

res/layout/audio_view.xml

@@ -45,16 +45,6 @@
                            android:scaleType="centerInside"
                            android:contentDescription="@string/audio_view__pause_accessibility_description"/>
 
-                <ImageView android:id="@+id/download"
-                           android:layout_width="wrap_content"
-                           android:layout_height="wrap_content"
-                           android:layout_gravity="center_vertical"
-                           android:clickable="true"
-                           android:visibility="gone"
-                           android:background="@drawable/circle_touch_highlight_background"
-                           android:src="@drawable/ic_download_circle_fill_white_48dp"
-                           android:contentDescription="@string/audio_view__download_accessibility_description"/>
-
             </org.thoughtcrime.securesms.components.AnimatingToggle>
 
             <SeekBar android:id="@+id/seek"

res/layout/contact_selection_list_item.xml

@@ -32,15 +32,16 @@
                   android:orientation="vertical">
 
         <org.thoughtcrime.securesms.components.emoji.EmojiTextView
-                android:id="@+id/name"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:checkMark="?android:attr/listChoiceIndicatorMultiple"
-                android:singleLine="true"
-                android:ellipsize="marquee"
-                android:textAppearance="?android:attr/textAppearanceMedium"
-                android:textSize="16sp"
-                tools:text="Frieeeeeeedrich Nieeeeeeeeeetzsche" />
+            android:id="@+id/name"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:checkMark="?android:attr/listChoiceIndicatorMultiple"
+            android:drawablePadding="5dp"
+            android:ellipsize="marquee"
+            android:singleLine="true"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:textSize="16sp"
+            tools:text="Frieeeeeeedrich Nieeeeeeeeeetzsche" />
 
         <LinearLayout android:id="@+id/number_container"
                       android:orientation="horizontal"

res/layout/conversation_activity.xml

@@ -1,98 +1,98 @@
 <?xml version="1.0" encoding="utf-8"?>
-
-<org.thoughtcrime.securesms.components.InputAwareLayout
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        xmlns:tools="http://schemas.android.com/tools"
-        android:id="@+id/layout_container"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-<org.thoughtcrime.securesms.components.camera.QuickAttachmentDrawer
-        android:id="@+id/quick_attachment_drawer"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_height="match_parent" android:layout_width="match_parent">
+    <ImageView
+        android:id="@+id/background_imageview"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:orientation="vertical">
+        android:scaleType="centerCrop"/>
+    <org.thoughtcrime.securesms.components.InputAwareLayout
+            xmlns:android="http://schemas.android.com/apk/res/android"
+            xmlns:app="http://schemas.android.com/apk/res-auto"
+            xmlns:tools="http://schemas.android.com/tools"
+            android:id="@+id/layout_container"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
 
-    <LinearLayout android:id="@+id/conversation_container"
-                  android:layout_width="match_parent"
-                  android:layout_height="match_parent"
-                  android:orientation="vertical"
-                  android:paddingTop="?attr/actionBarSize"
-                  android:gravity="bottom"
-                  android:clipToPadding="false"
-                  android:clipChildren="false">
+    <org.thoughtcrime.securesms.components.camera.QuickAttachmentDrawer
+            android:id="@+id/quick_attachment_drawer"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical">
 
-        <ViewStub android:id="@+id/group_share_profile_view_stub"
-                  android:layout="@layout/conversation_activity_group_share_profile_stub"
-                  android:inflatedId="@+id/group_share_profile_view"
-                  android:layout_width="match_parent"
-                  android:layout_height="wrap_content"/>
+        <LinearLayout android:id="@+id/conversation_container"
+                      android:layout_width="match_parent"
+                      android:layout_height="match_parent"
+                      android:orientation="vertical"
+                      android:paddingTop="?attr/actionBarSize"
+                      android:gravity="bottom"
+                      android:clipToPadding="false"
+                      android:clipChildren="false">
 
-        <ViewStub android:id="@+id/unverified_banner_stub"
-                  android:layout="@layout/conversation_activity_unverified_banner_stub"
-                  android:inflatedId="@+id/unverified_banner"
-                  android:layout_width="match_parent"
-                  android:layout_height="wrap_content"/>
+            <ViewStub android:id="@+id/group_share_profile_view_stub"
+                      android:layout="@layout/conversation_activity_group_share_profile_stub"
+                      android:inflatedId="@+id/group_share_profile_view"
+                      android:layout_width="match_parent"
+                      android:layout_height="wrap_content"/>
 
-        <ViewStub
-                android:id="@+id/reminder_stub"
-                android:layout="@layout/conversation_activity_reminderview_stub"
-                android:inflatedId="@+id/reminder"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"/>
+            <ViewStub android:id="@+id/unverified_banner_stub"
+                      android:layout="@layout/conversation_activity_unverified_banner_stub"
+                      android:inflatedId="@+id/unverified_banner"
+                      android:layout_width="match_parent"
+                      android:layout_height="wrap_content"/>
 
-        <FrameLayout android:id="@+id/fragment_content"
-                     android:layout_width="match_parent"
-                     android:layout_height="0dp"
-                     android:layout_weight="1" />
+            <ViewStub
+                    android:id="@+id/reminder_stub"
+                    android:layout="@layout/conversation_activity_reminderview_stub"
+                    android:inflatedId="@+id/reminder"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"/>
 
-        <ViewStub
-                android:id="@+id/attachment_editor_stub"
-                android:inflatedId="@+id/attachment_editor"
-                android:layout="@layout/conversation_activity_attachment_editor_stub"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"/>
+            <FrameLayout android:id="@+id/fragment_content"
+                         android:layout_width="match_parent"
+                         android:layout_height="0dp"
+                         android:layout_weight="1" />
 
-        <include layout="@layout/conversation_input_panel"/>
+            <ViewStub
+                    android:id="@+id/attachment_editor_stub"
+                    android:inflatedId="@+id/attachment_editor"
+                    android:layout="@layout/conversation_activity_attachment_editor_stub"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"/>
 
-        <Button android:id="@+id/register_button"
-                android:layout_width="fill_parent"
-                android:layout_height="wrap_content"
-                android:padding="20dp"
-                android:text="@string/conversation_activity__enable_signal_messages"
-                android:visibility="gone"/>
+            <include layout="@layout/conversation_input_panel"/>
 
-        <Button android:id="@+id/unblock_button"
-                android:layout_width="fill_parent"
-                android:layout_height="wrap_content"
-                android:padding="20dp"
-                android:text="@string/ConversationActivity_unblock"
-                android:visibility="gone"/>
+            <Button android:id="@+id/register_button"
+                    android:layout_width="fill_parent"
+                    android:layout_height="wrap_content"
+                    android:padding="20dp"
+                    android:text="@string/conversation_activity__enable_signal_messages"
+                    android:visibility="gone"/>
 
-        <Button android:id="@+id/make_default_sms_button"
-                android:layout_width="fill_parent"
-                android:layout_height="wrap_content"
-                android:padding="20dp"
-                android:text="@string/conversation_activity__enable_signal_for_sms"
-                android:visibility="gone"/>
+            <Button android:id="@+id/make_default_sms_button"
+                    android:layout_width="fill_parent"
+                    android:layout_height="wrap_content"
+                    android:padding="20dp"
+                    android:text="@string/conversation_activity__enable_signal_for_sms"
+                    android:visibility="gone"/>
 
-        <TextView android:id="@+id/space_left"
-                  android:paddingLeft="5dip"
-                  android:layout_width="fill_parent"
-                  android:layout_height="wrap_content"
-                  android:visibility="gone"
-                  android:background="?android:windowBackground"
-                  android:text="160/160 (1)" />
+            <TextView android:id="@+id/space_left"
+                      android:paddingLeft="5dip"
+                      android:layout_width="fill_parent"
+                      android:layout_height="wrap_content"
+                      android:visibility="gone"
+                      android:background="?android:windowBackground"
+                      android:text="160/160 (1)" />
 
 
-        <ViewStub
-                android:id="@+id/emoji_drawer_stub"
-                android:layout="@layout/conversation_activity_emojidrawer_stub"
-                android:inflatedId="@+id/emoji_drawer"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"/>
+            <ViewStub
+                    android:id="@+id/emoji_drawer_stub"
+                    android:layout="@layout/conversation_activity_emojidrawer_stub"
+                    android:inflatedId="@+id/emoji_drawer"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"/>
 
-    </LinearLayout>
-</org.thoughtcrime.securesms.components.camera.QuickAttachmentDrawer>
-</org.thoughtcrime.securesms.components.InputAwareLayout>
+        </LinearLayout>
+    </org.thoughtcrime.securesms.components.camera.QuickAttachmentDrawer>
+    </org.thoughtcrime.securesms.components.InputAwareLayout>
+</RelativeLayout>

res/layout/conversation_fragment.xml

@@ -2,7 +2,7 @@
 
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/conversation_container"
+             android:id="@+id/conversation_container"
              android:layout_width="fill_parent"
              android:layout_height="match_parent">
 
@@ -34,6 +34,16 @@
               android:visibility="gone"
               tools:text="March 1, 2015" />
 
+    <TextView
+        android:id="@+id/no_messages_text_view"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:visibility="visible"
+        style="@style/NoMessagesTextView"
+        tools:text="@string/ConversationActivity_NoMessagesHint"
+        />
+
     <View android:id="@+id/compose_divider"
           android:layout_width="match_parent"
           android:layout_height="2dp"

res/layout/conversation_input_panel.xml

@@ -14,7 +14,8 @@
         android:paddingTop="6dp"
         android:paddingBottom="6dp"
         android:clipChildren="false"
-        android:clipToPadding="false">
+        android:clipToPadding="false"
+        android:background="@color/white">
 
     <FrameLayout
         android:layout_width="0dp"

res/layout/conversation_item_received.xml

@@ -86,20 +86,6 @@
                     tools:visibility="visible"
                     tools:text="+14152222222"/>
 
-                <TextView
-                    android:id="@+id/group_message_sender_profile"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:paddingRight="4sp"
-                    android:paddingLeft="4sp"
-                    style="@style/Signal.Text.Preview"
-                    android:fontFamily="sans-serif-regular"
-                    android:textColor="?conversation_item_received_text_primary_color"
-                    android:textStyle="italic"
-                    android:maxLines="1"
-                    android:ellipsize="end"
-                    tools:text="~Clement Duval"/>
-
             </LinearLayout>
 
             <org.thoughtcrime.securesms.components.QuoteView
@@ -180,13 +166,5 @@
 
         </LinearLayout>
 
-        <org.thoughtcrime.securesms.components.AlertView
-            android:id="@+id/indicators_parent"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_alignParentRight="true"
-            android:orientation="vertical"
-            android:gravity="center_vertical"/>
-
     </RelativeLayout>
 </org.thoughtcrime.securesms.ConversationItem>

res/layout/conversation_item_sent.xml

@@ -133,7 +133,10 @@
 
         </LinearLayout>
 
-        <org.thoughtcrime.securesms.components.AlertView
+        <!-- the following view is only left because it is used as a reference for positioning above.
+         removing would require some re-layouting, it's just not done yet.-->
+        <View
+            android:visibility="gone"
             android:id="@+id/indicators_parent"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"

res/layout/conversation_list_fragment.xml

@@ -73,7 +73,7 @@
             android:layout_gravity="bottom|end"
             android:layout_margin="16dp"
             app:backgroundTint="@color/signal_primary"
-            android:src="@drawable/ic_create_white_24dp"
+            android:src="@drawable/ic_add_white_24dp"
             android:focusable="true"
             android:contentDescription="@string/conversation_list_fragment__fab_content_description"/>
 

res/layout/conversation_list_item_view.xml

@@ -8,9 +8,7 @@
         android:focusable="true"
         android:nextFocusRight="@+id/fab"
         android:nextFocusLeft="@+id/container"
-        android:layout_height="72dp"
-        android:paddingLeft="16dp"
-        android:paddingRight="16dp">
+        android:layout_height="72dp">
 
     <org.thoughtcrime.securesms.components.AvatarImageView
         android:id="@+id/contact_photo_image"
@@ -23,140 +21,123 @@
         android:cropToPadding="true"
         tools:src="@drawable/ic_contact_picture"
         android:contentDescription="@string/conversation_list_item_view__contact_photo_image"
-        android:layout_marginRight="12dp"
-        android:layout_marginEnd="12dp" />
+        android:layout_marginLeft="12dp"
+        android:layout_marginRight="12dp" />
 
-    <RelativeLayout android:layout_width="match_parent"
-                  android:layout_height="wrap_content"
-                  android:layout_marginLeft="4dp"
-                  android:layout_marginStart="4dp"
-                  android:layout_centerVertical="true"
-                  android:layout_toRightOf="@id/contact_photo_image"
-                  android:layout_toEndOf="@id/contact_photo_image"
-                  android:weightSum="1"
-                  android:orientation="horizontal">
+    <LinearLayout
+        android:orientation="horizontal"
+        android:gravity="center_vertical"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_toRightOf="@id/contact_photo_image"
+        android:layout_toEndOf="@id/contact_photo_image">
 
-        <org.thoughtcrime.securesms.components.FromTextView
-                  android:id="@+id/from"
-                  android:layout_width="match_parent"
-                  android:layout_height="wrap_content"
-                  android:layout_alignParentTop="true"
-                  android:layout_alignParentLeft="true"
-                  android:layout_alignParentStart="true"
-                  android:layout_toLeftOf="@+id/thumbnail"
-                  android:layout_toStartOf="@+id/thumbnail"
-                  style="@style/Signal.Text.Body"
-                  android:fontFamily="sans-serif-medium"
-                  android:textColor="?attr/conversation_list_item_contact_color"
-                  android:maxLines="1"
-                  tools:text="Jules Bonnot"
-                  android:ellipsize="end"
-                  android:layout_marginBottom="2dp"
-                  android:drawablePadding="5dp"/>
+        <LinearLayout
+            android:orientation="vertical"
+            android:layout_weight="2"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content">
 
-        <org.thoughtcrime.securesms.components.AlertView
-                android:id="@+id/indicators_parent"
-                android:layout_width="18dp"
-                android:layout_height="18dp"
-                android:paddingTop="2dp"
-                android:layout_marginRight="2dp"
-                android:layout_marginEnd="2dp"
-                android:layout_alignParentLeft="true"
-                android:layout_alignParentStart="true"
-                android:layout_below="@id/from"
-                app:useSmallIcon="true"
-                android:visibility="gone"
-                tools:visibility="visible"/>
+            <LinearLayout
+                android:id="@+id/from"
+                android:orientation="horizontal"
+                android:layout_marginBottom="2dp"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content">
 
-        <org.thoughtcrime.securesms.components.emoji.EmojiTextView
+                <org.thoughtcrime.securesms.components.FromTextView
+                    android:id="@+id/from_text"
+                    style="@style/Signal.Text.Body"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:drawablePadding="5dp"
+                    android:ellipsize="end"
+                    android:fontFamily="sans-serif-medium"
+                    android:maxLines="1"
+                    android:textColor="?attr/conversation_list_item_contact_color"
+                    tools:text="Jules Bonnot" />
+
+                <ImageView
+                    android:id="@+id/verified_indicator"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:src="@drawable/ic_verified"
+                    android:visibility="visible"
+                    android:layout_marginLeft="5dp"
+                    android:layout_marginRight="5dp" />
+
+            </LinearLayout>
+
+            <org.thoughtcrime.securesms.components.emoji.EmojiTextView
                 android:id="@+id/subject"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_below="@id/from"
-                android:layout_toRightOf="@id/indicators_parent"
-                android:layout_toEndOf="@id/indicators_parent"
-                android:layout_toLeftOf="@+id/status"
-                android:layout_toStartOf="@+id/status"
-                android:paddingRight="1dp"
                 style="@style/Signal.Text.Preview"
                 android:textColor="?attr/conversation_list_item_subject_color"
                 android:maxLines="1"
                 tools:text="Wheels arrive at 3pm flat. This is a somewhat longer message."
                 android:ellipsize="end" />
 
-        <org.thoughtcrime.securesms.components.ThumbnailView
-                android:id="@+id/thumbnail"
-                android:layout_width="40dp"
-                android:layout_height="40dp"
-                android:layout_gravity="center_horizontal"
-                android:layout_marginRight="5dp"
-                android:layout_marginLeft="5dp"
-                android:layout_toLeftOf="@+id/date"
-                android:layout_toStartOf="@+id/date"
-                android:layout_alignParentTop="true"
-                android:layout_marginTop="5dp"
-                android:contentDescription="@string/conversation_activity__attachment_thumbnail"
-                android:visibility="gone"
-                tools:src="@drawable/ic_video_light"
-                tools:visibility="visible" />
+        </LinearLayout>
 
-        <TextView android:id="@id/date"
-                  android:layout_marginLeft="3dp"
-                  android:layout_marginStart="3dp"
-                  android:layout_height="wrap_content"
-                  android:layout_width="wrap_content"
-                  android:layout_alignParentRight="true"
-                  android:layout_alignParentEnd="true"
-                  android:layout_alignBaseline="@+id/from"
-                  android:layout_above="@id/subject"
-                  style="@style/Signal.Text.Caption"
-                  android:textColor="?attr/conversation_list_item_date_color"
-                  android:textAllCaps="true"
-                  tools:text="30 mins"
-                  android:singleLine="true"/>
+        <LinearLayout
+            android:orientation="vertical"
+            android:gravity="end"
+            android:layout_marginLeft="24dp"
+            android:layout_marginStart="24dp"
+            android:layout_marginRight="12dp"
+            android:layout_marginEnd="12dp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content">
 
-        <TextView android:id="@+id/archived"
-                  android:layout_width="wrap_content"
-                  android:layout_height="wrap_content"
-                  android:layout_below="@id/date"
-                  android:layout_alignParentRight="true"
-                  android:layout_alignParentEnd="true"
-                  android:layout_alignBaseline="@id/subject"
-                  android:layout_marginLeft="5dp"
-                  android:layout_marginStart="5dp"
-                  android:paddingLeft="6dp"
-                  android:paddingRight="6dp"
-                  android:paddingTop="2dp"
-                  android:paddingBottom="2dp"
-                  style="@style/Signal.Text.Caption"
-                  android:text="@string/conversation_list_item_view__archived"
-                  android:textColor="@color/core_white"
-                  android:textAllCaps="true"
-                  android:background="@drawable/archived_indicator_background" />
+            <TextView android:id="@id/date"
+                      android:layout_height="wrap_content"
+                      android:layout_width="wrap_content"
+                      style="@style/Signal.Text.Caption"
+                      android:textColor="?attr/conversation_list_item_date_color"
+                      android:textAllCaps="true"
+                      tools:text="30 mins"
+                      android:singleLine="true"/>
 
+            <LinearLayout
+                android:orientation="horizontal"
+                android:minHeight="20dp"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content">
 
-        <FrameLayout android:id="@+id/status"
-                     android:layout_width="wrap_content"
-                     android:layout_height="wrap_content"
-                     android:layout_marginTop="4dp"
-                     android:layout_below="@id/date"
-                     android:layout_toLeftOf="@id/archived"
-                     android:layout_toStartOf="@id/archived"
-                     android:layout_alignWithParentIfMissing="true">
+                <TextView android:id="@+id/archived"
+                          android:layout_width="wrap_content"
+                          android:layout_height="wrap_content"
+                          android:paddingLeft="6dp"
+                          android:paddingRight="6dp"
+                          android:paddingTop="2dp"
+                          android:paddingBottom="2dp"
+                          style="@style/Signal.Text.Caption"
+                          android:text="@string/conversation_list_item_view__archived"
+                          android:textColor="@color/core_white"
+                          android:textAllCaps="true"
+                          android:background="@drawable/archived_indicator_background" />
 
-            <org.thoughtcrime.securesms.components.DeliveryStatusView
-                    android:id="@+id/delivery_status"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_gravity="center_vertical"
-                    app:iconColor="?attr/conversation_list_item_delivery_icon_color"/>
+                <org.thoughtcrime.securesms.components.DeliveryStatusView
+                          android:id="@+id/delivery_status"
+                          android:layout_marginTop="6dp"
+                          android:layout_width="wrap_content"
+                          android:layout_height="wrap_content"
+                          app:iconColor="?attr/conversation_list_item_delivery_icon_color"/>
 
-            <ImageView android:id="@+id/unread_indicator"
-                       android:layout_width="24dp"
-                       android:layout_height="24dp"/>
+                <ImageView android:id="@+id/unread_indicator"
+                          android:layout_width="24dp"
+                          android:layout_height="24dp"/>
+            </LinearLayout>
 
-        </FrameLayout>
+        </LinearLayout>
 
-    </RelativeLayout>
+    </LinearLayout>
+
+    <View android:layout_width="match_parent"
+          android:layout_height="1dp"
+          android:layout_alignParentBottom="true"
+          android:background="@drawable/attachment_selector_shadow"/>
 
 </org.thoughtcrime.securesms.ConversationListItem>

res/layout/conversation_title_view.xml

@@ -39,59 +39,54 @@
             tools:src="@drawable/ic_contact_picture"
             android:contentDescription="@string/conversation_list_item_view__contact_photo_image"/>
 
-    <RelativeLayout android:id="@+id/content"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_toRightOf="@id/contact_photo_image"
-                    android:layout_toEndOf="@id/contact_photo_image"
-                    android:layout_centerVertical="true">
+    <LinearLayout
+        android:orientation="vertical"
+        android:id="@+id/content"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_toEndOf="@id/contact_photo_image"
+        android:layout_toRightOf="@id/contact_photo_image">
 
-        <org.thoughtcrime.securesms.components.emoji.EmojiTextView
+        <LinearLayout
+            android:orientation="horizontal"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content">
+
+            <org.thoughtcrime.securesms.components.emoji.EmojiTextView
                 android:id="@+id/title"
+                style="@style/TextSecure.TitleTextStyle"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:maxLines="1"
+                android:drawablePadding="5dp"
                 android:ellipsize="end"
+                android:maxLines="1"
                 android:textSize="18dp"
                 android:transitionName="recipient_name"
-                android:drawablePadding="5dp"
-                android:gravity="center_vertical"
-                android:layout_gravity="center_vertical"
-                android:layout_alignParentLeft="true"
-                android:layout_alignParentStart="true"
-                android:layout_alignParentTop="true"
-                style="@style/TextSecure.TitleTextStyle"
-                tools:ignore="UnusedAttribute"/>
+                tools:text="Jules Bonnot" />
 
-        <ImageView android:id="@+id/verified_indicator"
-                   android:src="@drawable/ic_check_circle_white_18dp"
-                   android:layout_width="wrap_content"
-                   android:layout_height="wrap_content"
-                   android:layout_marginRight="3dp"
-                   android:layout_marginEnd="3dp"
-                   android:layout_gravity="bottom"
-                   android:layout_alignParentLeft="true"
-                   android:layout_alignParentStart="true"
-                   android:layout_below="@id/title"
-                   android:alpha="0.7"
-                   android:visibility="gone"/>
-
-        <org.thoughtcrime.securesms.components.emoji.EmojiTextView
-                android:id="@+id/subtitle"
+            <ImageView
+                android:id="@+id/verified_indicator"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:maxLines="1"
-                android:ellipsize="end"
-                android:layout_gravity="center_vertical|start"
-                android:gravity="center_vertical"
-                android:layout_toRightOf="@id/verified_indicator"
-                android:layout_toEndOf="@id/verified_indicator"
-                android:layout_below="@id/title"
-                android:textDirection="ltr"
-                android:textSize="13dp"
-                tools:text="(123) 123-1234"
-                style="@style/TextSecure.SubtitleTextStyle"/>
+                android:layout_gravity="center"
+                android:layout_marginLeft="5dp"
+                android:layout_marginRight="5dp"
+                android:src="@drawable/ic_verified"
+                android:visibility="gone" />
+        </LinearLayout>
 
-    </RelativeLayout>
+        <org.thoughtcrime.securesms.components.emoji.EmojiTextView
+            android:id="@+id/subtitle"
+            style="@style/TextSecure.SubtitleTextStyle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textDirection="ltr"
+            android:textSize="13dp"
+            tools:text="(123) 123-1234" />
+
+    </LinearLayout>
 
 </org.thoughtcrime.securesms.ConversationTitleView>

res/layout/group_create_activity.xml

@@ -68,25 +68,47 @@
 
     </RelativeLayout>
 
-    <com.dd.CircularProgressButton
-        android:id="@+id/add_member_button"
-        android:layout_width="wrap_content"
-        android:layout_height="40dp"
-        android:background="@color/signal_primary"
-        android:layout_marginStart="15dp"
-        android:layout_marginLeft="15dp"
-        android:layout_marginBottom="15dp"
-        android:paddingEnd="12dp"
-        android:paddingStart="12dp"
-        android:textColor="@color/white"
-        app:cpb_colorIndicator="@color/white"
-        app:cpb_colorProgress="@color/textsecure_primary"
-        app:cpb_cornerRadius="20dp"
-        app:cpb_selectorIdle="@drawable/progress_button_state"
-        app:cpb_textIdle="@string/recipients_panel__add_members"
-        app:layout_constraintBottom_toTopOf="@id/skip_button_bottom_spacer"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"/>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+
+        <com.dd.CircularProgressButton
+            android:id="@+id/add_member_button"
+            android:layout_width="wrap_content"
+            android:layout_height="40dp"
+            android:background="@color/signal_primary"
+            android:layout_marginStart="15dp"
+            android:layout_marginLeft="15dp"
+            android:layout_marginBottom="15dp"
+            android:paddingEnd="12dp"
+            android:paddingStart="12dp"
+            android:textColor="@color/white"
+            app:cpb_colorIndicator="@color/white"
+            app:cpb_colorProgress="@color/textsecure_primary"
+            app:cpb_cornerRadius="20dp"
+            app:cpb_selectorIdle="@drawable/progress_button_state"
+            app:cpb_textIdle="@string/recipients_panel__add_members"/>
+
+        <com.dd.CircularProgressButton
+            android:id="@+id/verify_button"
+            android:layout_width="wrap_content"
+            android:layout_height="40dp"
+            android:background="@color/signal_primary"
+            android:layout_marginStart="15dp"
+            android:layout_marginLeft="15dp"
+            android:layout_marginBottom="15dp"
+            android:paddingEnd="12dp"
+            android:paddingStart="12dp"
+            android:textColor="@color/white"
+            app:cpb_colorIndicator="@color/white"
+            app:cpb_colorProgress="@color/textsecure_primary"
+            app:cpb_cornerRadius="20dp"
+            app:cpb_selectorIdle="@drawable/progress_button_state"
+            android:visibility="gone"
+            app:cpb_textIdle="@string/qr_show_activity__title"/>
+
+    </LinearLayout>
 
     <ListView android:id="@+id/selected_contacts_list"
         android:layout_width="match_parent"

res/layout/profile_create_activity.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<FrameLayout android:layout_width="match_parent"
+<FrameLayout xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
              android:layout_height="match_parent"
              xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:app="http://schemas.android.com/apk/res-auto">
@@ -23,42 +24,39 @@
                        android:layout_height="64dp"
                        android:transitionName="avatar"/>
 
-            <org.thoughtcrime.securesms.components.emoji.EmojiEditText
-                    android:id="@+id/name"
-                    android:hint="@string/profile_create_activity__your_name"
-                    android:layout_width="0dp"
-                    android:layout_height="wrap_content"
-                    android:layout_gravity="center_vertical"
-                    android:layout_weight="1"
-                    android:layout_marginLeft="10dp"
-                    android:inputType="textCapWords"/>
+            <android.support.design.widget.TextInputLayout
+                android:id="@+id/name"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="10dp">
 
-            <org.thoughtcrime.securesms.components.emoji.EmojiToggle
-                    android:id="@+id/emoji_toggle"
-                    android:layout_width="37dp"
-                    android:layout_height="37dp"
-                    android:layout_gravity="center_vertical"
-                    android:background="@drawable/touch_highlight_background"
-                    android:contentDescription="@string/conversation_activity__emoji_toggle_description" />
+                <android.support.design.widget.TextInputEditText
+                    android:id="@+id/name_text"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:hint="@string/profile_create_activity__your_name"
+                    android:inputType="textCapWords" />
+            </android.support.design.widget.TextInputLayout>
 
         </LinearLayout>
 
-        <android.support.design.widget.TextInputLayout
-            android:id="@+id/status"
-            android:layout_marginTop="4dp"
-            android:layout_marginLeft="16dp"
-            android:layout_marginRight="16dp"
+    <android.support.design.widget.TextInputLayout
+        android:id="@+id/status"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:layout_marginTop="16dp">
+
+        <android.support.design.widget.TextInputEditText
+            android:id="@+id/status_text"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content">
-
-            <android.support.design.widget.TextInputEditText
-                android:id="@+id/status_text"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:hint="@string/default_status_hint"
-                android:inputType="text" />
-
-        </android.support.design.widget.TextInputLayout>
+            android:layout_height="wrap_content"
+            android:gravity="top|left"
+            android:hint="@string/default_status_hint"
+            android:inputType="textMultiLine"
+            android:maxLines="3" />
+    </android.support.design.widget.TextInputLayout>
 
         <LinearLayout android:id="@+id/information_link_container"
                       android:clickable="true"
@@ -78,16 +76,17 @@
                        android:src="@drawable/ic_info_white_18dp"
                        android:tint="#73B7F0"/>
 
-            <TextView style="@style/Registration.Description"
-                      android:id="@+id/information_label"
-                      android:clickable="true"
-                      android:layout_width="wrap_content"
-                      android:layout_height="match_parent"
-                      android:layout_marginLeft="3dp"
-                      android:layout_gravity="center_vertical"
-                      android:gravity="center_vertical"
-                      android:textColor="#73B7F0"
-                      android:text="@string/profile_create_activity__who_can_see_this_information"/>
+            <TextView
+                android:id="@+id/information_label"
+                style="@style/Registration.Description"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:layout_gravity="center_vertical"
+                android:layout_marginLeft="3dp"
+                android:clickable="true"
+                android:gravity="center_vertical"
+                android:text="@string/profile_create_activity__who_can_see_this_information"
+                android:textColor="#73B7F0" />
         </LinearLayout>
 
 
@@ -98,31 +97,18 @@
                       android:clipChildren="false"
                       android:clipToPadding="false">
 
-            <com.dd.CircularProgressButton
-                    android:id="@+id/finish_button"
-                    app:cpb_textIdle="@string/profile_create_activity__finish"
-                    app:cpb_selectorIdle="@drawable/progress_button_state"
-                    app:cpb_colorIndicator="@color/white"
-                    app:cpb_colorProgress="@color/textsecure_primary"
-                    app:cpb_cornerRadius="50dp"
-                    android:textAllCaps="true"
-                    android:background="@color/signal_primary"
-                    android:textColor="@color/white"
-                    android:layout_width="match_parent"
-                    android:layout_height="50dp"
-                    android:layout_marginLeft="16dp"
-                    android:layout_marginRight="16dp"
-                    android:layout_marginBottom="20dp"
-                    android:layout_gravity="center_horizontal"/>
-
-            <TextView android:id="@+id/password_account_settings_button"
-                      android:layout_gravity="center_horizontal"
-                      android:layout_width="wrap_content"
-                      android:layout_height="wrap_content"
-                      android:layout_marginTop="0dp"
-                      android:layout_marginBottom="20dp"
-                      android:textColor="@color/gray50"
-                      android:text="@string/profile_create_activity__password_account"/>
+            <TextView
+                android:id="@+id/password_account_settings_button"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginBottom="20dp"
+                android:layout_marginTop="0dp"
+                android:text="@string/profile_create_activity__password_account"
+                android:textColor="#73B7F0"
+                android:textSize="16sp"
+                android:textStyle="normal"
+                android:typeface="sans" />
 
             <org.thoughtcrime.securesms.components.emoji.EmojiDrawer
                     xmlns:android="http://schemas.android.com/apk/res/android"
@@ -135,10 +121,11 @@
 
 </org.thoughtcrime.securesms.components.InputAwareLayout>
 
-    <View android:id="@+id/reveal"
-          android:background="@color/textsecure_primary"
-          android:layout_width="match_parent"
-          android:layout_height="match_parent"
-          android:visibility="invisible"/>
+    <View
+        android:id="@+id/reveal"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/textsecure_primary"
+        android:visibility="invisible" />
 
 </FrameLayout>

res/menu/conversation.xml

@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <item android:title="@string/conversation__menu_view_profile"
+          android:id="@+id/menu_conversation_settings"/>
+
     <item android:title="@string/conversation__menu_add_attachment"
           android:id="@+id/menu_add_attachment" />
 
     <item android:title="@string/conversation__menu_view_all_media"
           android:id="@+id/menu_view_media" />
 
-    <item android:title="@string/conversation__menu_conversation_settings"
-          android:id="@+id/menu_conversation_settings"/>
-
 </menu>

res/menu/conversation_add_to_contacts.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-      xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <item android:id="@+id/menu_add_to_contacts"
-          android:title="@string/conversation_add_to_contacts__menu_add_to_contacts"
-          app:showAsAction="never" />
-
-</menu>

res/menu/conversation_archive.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:title="@string/conversation__menu_archive_chat"
+          android:id="@+id/menu_archive_chat"/>
+
+</menu>

res/menu/conversation_delete.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <item android:title="@string/conversation_insecure__invite"
-          android:id="@+id/menu_invite"/>
+    <item android:title="@string/conversation__menu_delete_chat"
+          android:id="@+id/menu_delete_chat"/>
 
 </menu>

res/menu/conversation_expiring_off.xml

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-      xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <item android:title="@string/conversation_expiring_off__disappearing_messages"
-          android:id="@+id/menu_expiring_messages_off"
-          android:icon="@drawable/ic_timer_off_white_24dp"/>
-
-</menu>

res/menu/conversation_expiring_on.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-      xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <item android:id="@+id/menu_expiring_messages"
-          app:actionLayout="@layout/expiration_timer_menu"
-          app:showAsAction="always"
-          android:title="@string/menu_conversation_expiring_on__messages_expiring"/>
-
-</menu>

res/menu/conversation_group_options.xml

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <item android:title="@string/convesation_group_options__recipients_list"
-          android:id="@+id/menu_group_recipients"
-          android:icon="?menu_group_icon"
-          app:showAsAction="ifRoom" />
-
-</menu>

res/menu/conversation_mms_group_options.xml

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <item android:title="@string/conversation_group_options__delivery"
-          android:id="@+id/menu_group_delivery"
-          android:icon="?menu_split_icon"
-          app:showAsAction="ifRoom" >
-
-        <menu>
-            <group android:id="@+id/distribution_group"
-                   android:checkableBehavior="single">
-                <item android:id="@+id/menu_distribution_conversation" android:title="@string/conversation_group_options__conversation" android:checked="true" />
-                <item android:id="@+id/menu_distribution_broadcast" android:title="@string/conversation_group_options__broadcast" />
-            </group>
-        </menu>
-    </item>
-</menu>

res/menu/conversation_push_group_options.xml

@@ -3,7 +3,8 @@
 
     <item android:id="@+id/menu_edit_group"
           android:title="@string/conversation__menu_edit_group"
-          app:showAsAction="collapseActionView" />
+          android:icon="?menu_group_icon"
+          app:showAsAction="ifRoom" />
 
     <item android:id="@+id/menu_leave"
           android:title="@string/conversation__menu_leave_group"

res/menu/conversation_secure.xml

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
-      <item android:title="@string/conversation_secure_verified__menu_reset_secure_session"
-            android:id="@+id/menu_reset_secure_session"/>
-</menu>

res/menu/conversation_unarchive.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:title="@string/conversation__menu_unarchive_chat"
+          android:id="@+id/menu_archive_chat"/>
+
+</menu>

res/menu/preferences_create_profile_menu.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/menu_create_profile"
+        android:title="@string/profile_create_activity__finish"
+        app:showAsAction="always"
+        android:icon="?menu_accept_icon"/>
+</menu>

res/menu/text_secure_normal.xml

@@ -1,19 +1,25 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item android:title="@string/qr_scan_activity__title"
+          android:id="@+id/menu_qr_scan"
+          android:icon="@drawable/ic_ab_qr"
+          app:showAsAction="always"/>
+
+    <item android:title="@string/qr_show_activity__title"
+        android:id="@+id/menu_qr_show" />
 
     <item android:title="@string/text_secure_normal__menu_new_chat"
           android:id="@+id/menu_new_chat" />
 
+    <item android:title="@string/menu_deaddrop"
+          android:id="@+id/menu_deaddrop" />
+
     <item android:title="@string/text_secure_normal__menu_clear_passphrase"
           android:id="@+id/menu_clear_passphrase" />
 
-    <item android:title="@string/text_secure_normal__invite_friends"
-          android:id="@+id/menu_invite" />
-
     <item android:title="@string/text_secure_normal__menu_settings"
           android:id="@+id/menu_settings" />
 
-    <item android:title="@string/text_secure_normal__help"
-          android:id="@+id/menu_help"/>
-
 </menu>

res/values/attrs.xml

@@ -7,6 +7,7 @@
     <attr name="attachment_document_icon_large" format="reference" />
 
     <attr name="conversation_list_item_background" format="reference"/>
+    <attr name="conversation_list_deaddrop_bg_color" format="reference|color"/>
     <attr name="conversation_list_item_contact_color" format="reference|color"/>
     <attr name="conversation_list_item_subject_color" format="reference|color"/>
     <attr name="conversation_list_item_delivery_icon_color" format="reference|color"/>
@@ -177,10 +178,6 @@
         <attr name="iconColor" format="color" />
     </declare-styleable>
 
-    <declare-styleable name="AlertView">
-        <attr name="useSmallIcon" format="boolean" />
-    </declare-styleable>
-
     <declare-styleable name="AudioView">
         <attr name="widgetBackground" format="color"/>
         <attr name="foregroundTintColor" format="color" />

res/values/dimens.xml

@@ -72,6 +72,4 @@
 
     <dimen name="floating_action_button_margin">16dp</dimen>
 
-    <dimen name="alertview_small_icon_size">14dp</dimen>
-
 </resources>

res/values/strings.xml

@@ -41,8 +41,14 @@
     <string name="ApplicationPreferencesActivity_sms_mms_summary">SMS %1$s, MMS %2$s</string>
     <string name="ApplicationPreferencesActivity_privacy_summary">Screen lock %1$s, Read receipts %2$s</string>
     <string name="ApplicationPreferencesActivity_appearance_summary">Theme %1$s, Language %2$s</string>
+    <string name="ApplicationPreferencesActivity_appearance_summary_new">Theme %1$s, Language %2$s, Background %3$s</string>
+    <string name="ApplicationPreferencesActivity_appearance_background_default">default</string>
+    <string name="ApplicationPreferencesActivity_appearance_background_custom">custom</string>
+
     <!-- AppearancePreferenceFragment -->
     <string name="AppearancePreferencesFragment_background_save_error">Background image could not be saved</string>
+    <string name="AppearancePreferencesFragment_background_custom_summary">Custom</string>
+    <string name="AppearancePreferencesFragment_background_default_summary">Default</string>
 
     <!-- AppProtectionPreferenceFragment -->
     <plurals name="AppProtectionPreferenceFragment_minutes">
@@ -164,6 +170,9 @@
     <string name="ConversationActivity_signal_needs_camera_permissions_to_take_photos_or_video">Delta Chat needs Camera permissions to take photos or video</string>
 
     <string name="ConversationActivity_quoted_contact_message">%1$s %2$s</string>
+    <string name="ConversationActivity_NoMessagesHint">Send message to %1$s:\n\n• It is okay if %2$s does not use Delta Chat.\n\n• Delivering the first message may take a while.</string>
+    <string name="ConversationActivity_MsgNewGroupDraftHint">Compose the first message, allowing others to reply within this group.\n\n• It is okay if not all members use Delta Chat.\n\n• Delivering the first message may take a while.</string>
+    <string name="ConversationActivity_ask_delete_chat">Delete this chat? It will no longer be shown in the chat list, its messages will remain on the server.</string>
 
     <!-- ConversationAdapter -->
     <plurals name="ConversationAdapter_n_unread_messages">
@@ -224,9 +233,9 @@
         <item quantity="one">Delete selected chats?</item>
         <item quantity="other">Delete selected chats?</item>
     </plurals>
-    <plurals name="ConversationListFragment_this_will_permanently_delete_all_n_selected_conversations">
-        <item quantity="one">This will permanently delete the selected chats.</item>
-        <item quantity="other">This will permanently delete all %1$d selected chats.</item>
+    <plurals name="ConversationListFragment_ask_selected_chats">
+        <item quantity="one">Delete the selected chat? It will no longer be shown in the chat list, its messages will remain on the server.</item>
+        <item quantity="other">Delete %1%d selected chats? They will no longer be shown in the chat list, their messages will remain on the server.</item>
     </plurals>
     <string name="ConversationListFragment_deleting">Deleting</string>
     <string name="ConversationListFragment_deleting_selected_conversations">Deleting selected chats...</string>
@@ -1312,6 +1321,32 @@
     <string name="new_conversation_activity__refresh">Refresh</string>
     <!-- redphone_audio_popup_menu -->
 
+    <!-- qr_scan_activity -->
+    <string name="qr_scan_activity__title">Scan QR code</string>
+    <string name="qr_scan_activity__hint">Place your camera over the QR code</string>
+
+    <!-- qr_scan_handler -->
+    <string name="qr_scan_handler_join_verified_group">Do you want to join the verified group <![CDATA[<b>]]>%1$s<![CDATA[</b>]]>?</string>
+    <string name="qr_scan_handler_fingerprint_ask_oob">Verify contact and start chatting with <![CDATA[<b>]]>%1$s<![CDATA[</b>]]>?</string>
+    <string name="qr_scan_handler_fingerprint_ok">Contact <![CDATA[<i>]]>%1$s<![CDATA[</i>]]> verified. Start chatting?</string>
+    <string name="qr_scan_handler_fingerprint_mismatch">The scanned fingerprint does <![CDATA[<b>]]>not match<![CDATA[</b>]]> the fingerprint last seen for <![CDATA[<i>]]>%1$s<![CDATA[</i>]]>.</string>
+    <string name="qr_scan_handler_fingerprint_without_address">This QR code contains a fingerprint but no email address.\n\nFor an out-of-band-verification, please establish an encrpyted connection to the recipient first.</string>
+    <string name="qr_scan_handler_Scan_contains_text">Scanned QR code text:\n\n%1$s</string>
+    <string name="qr_scan_handler_qr_scan_contains_url">Scanned QR code URL:\n\n%1$s</string>
+    <string name="qr_scan_handler_fingerprint">Fingerprint</string>
+    <string name="qr_scan_handler_ask_start_chat_with">Chat with <![CDATA[<b>]]>%1$s<![CDATA[</b>]]>?</string>
+    <string name="qr_scan_handler_verfied_introduce_myself">%1$s verified, introduce myself …</string>
+
+    <!-- qr_show_activity -->
+    <string name="qr_show_activity__title">Show QR verify code</string>
+    <string name="qr_show_activity__joining">%1$s joins.</string>
+    <string name="qr_show_activity__verified">%1$s verified.</string>
+    <string name="qr_show_activity__group_joined">%1$s securely joined the group.</string>
+    <string name="qr_show_activity__join_verified_group_hint">Scan this to join the verified group <![CDATA[<b>]]>%1$s<![CDATA[</b>]]>.</string>
+    <string name="qr_show_activity__join_verified_group_title">QR invite code</string>
+    <string name="qr_show_activity__join_contact_title">QR verify code</string>
+    <string name="qr_show_activity__join_contact_hint"><![CDATA[<b>]]>%1$s<![CDATA[</b><br>]]>Scan this to set up a verified contact.</string>
+
     <!-- Trimmer -->
     <string name="trimmer__deleting">Deleting</string>
     <string name="trimmer__deleting_old_messages">Deleting old messages...</string>
@@ -1487,5 +1522,16 @@
     <string name="default_status_hint">Status text</string>
     <string name="registration_activity__login">Login</string>
     <string name="preferences__chat_background">Chat-Background</string>
+    <string name="copy_to_clipboard">Copy to clipboard</string>
+    <string name="open">Open</string>
+    <string name="done">Done</string>
+    <string name="menu_deaddrop">Contact requests</string>
+    <string name="not_now">Not now</string>
+    <string name="never">Never</string>
+    <string name="conversation__menu_view_profile">View profile</string>
+    <string name="conversation__menu_archive_chat">Archive chat</string>
+    <string name="conversation__menu_unarchive_chat">Unarchive chat</string>
+    <string name="conversation__menu_delete_chat">Delete chat</string>
+    <string name="conversation__no_messages">No messages.</string>
 
 </resources>

res/values/styles.xml

@@ -182,6 +182,7 @@
 
     <style name="Button.Primary" parent="Base.Widget.AppCompat.Button.Colored">
         <item name="colorAccent">@color/signal_primary</item>
+        <item name="colorButtonNormal">@color/signal_primary</item>
         <item name="android:textColor">@color/white</item>
     </style>
 
@@ -230,4 +231,13 @@
         <item name="colorControlActivated">@color/white</item>
     </style>
 
+    <style name="NoMessagesTextView">
+        <item name="android:textColor">@color/white</item>
+        <item name="android:textSize">16sp</item>
+        <item name="android:background">@drawable/no_message_rounded_background</item>
+        <item name="android:layout_marginLeft">12dp</item>
+        <item name="android:layout_marginRight">12dp</item>
+        <item name="android:padding">12dp</item>
+    </style>
+
 </resources>

res/values/themes.xml

@@ -132,6 +132,7 @@
         <item name="attachment_document_icon_large">@drawable/ic_document_large_light</item>
 
         <item name="conversation_list_item_background">@drawable/conversation_list_item_background</item>
+        <item name="conversation_list_deaddrop_bg_color">#ffcccccc</item>
         <item name="conversation_list_item_contact_color">@color/core_light_90</item>
         <item name="conversation_list_item_subject_color">@color/core_light_60</item>
         <item name="conversation_list_item_delivery_icon_color">@color/core_light_35</item>
@@ -275,6 +276,7 @@
         <item name="attachment_document_icon_large">@drawable/ic_document_large_dark</item>
 
         <item name="conversation_list_item_background">@drawable/conversation_list_item_background_dark</item>
+        <item name="conversation_list_deaddrop_bg_color">#ff333333</item>
         <item name="conversation_list_item_contact_color">#ffdddddd</item>
         <item name="conversation_list_item_subject_color">#ffdddddd</item>
         <item name="conversation_list_item_delivery_icon_color">@color/core_dark_55</item>

res/xml/preferences.xml

@@ -25,4 +25,12 @@
                 android:title="@string/preferences__advanced"
                 android:icon="@drawable/ic_advanced_24dp"/>
 
+    <Preference android:key="preference_category_invite"
+                android:title="@string/text_secure_normal__invite_friends"
+                android:icon="@drawable/ic_invite_24dp"/>
+
+    <Preference android:key="preference_category_help"
+                android:title="@string/text_secure_normal__help"
+                android:icon="@drawable/ic_help_24dp"/>
+
 </PreferenceScreen>

res/xml/preferences_appearance.xml

@@ -16,7 +16,7 @@
             android:entryValues="@array/language_values"
             android:defaultValue="zz"/>
 
-    <Preference
+    <org.thoughtcrime.securesms.preferences.widgets.SignalPreference
         android:key="pref_chat_background"
         android:title="@string/preferences__chat_background"
         />

src/com/b44t/messenger/DcChatlist.java

@@ -40,6 +40,7 @@ public class DcChatlist {
     public native int       getCnt    ();
     public native int       getChatId (int index);
     public @NonNull DcChat  getChat   (int index) { return new DcChat(getChatCPtr(index)); }
+    public native int       getMsgId  (int index);
     public @NonNull DcMsg   getMsg    (int index) { return new DcMsg(getMsgCPtr(index)); }
     public @NonNull DcLot   getSummary(int index, DcChat chat) { return new DcLot(getSummaryCPtr(index, chat==null? null : chat.getChatCPtr())); }
 

src/com/b44t/messenger/DcContext.java

@@ -96,7 +96,7 @@ public class DcContext {
     public native void         setConfig            (String key, String value);
     public void                setConfigInt         (String key, int value) { setConfig(key, Integer.toString(value)); }
     public native String       getConfig            (String key, String def);
-    public int                 getConfigInt         (String key, int def) { return Integer.parseInt(getConfig(key, Integer.toString(def))); }
+    public int                 getConfigInt         (String key, int def) { try{return Integer.parseInt(getConfig(key, Integer.toString(def)));} catch(Exception e) {} return 0; }
     public native String       getInfo              ();
     public native String       initiateKeyTransfer  ();
     public native boolean      continueKeyTransfer  (int msg_id, String setup_code);
@@ -145,8 +145,6 @@ public class DcContext {
     public native void         forwardMsgs          (int msg_ids[], int chat_id);
     public native int          sendMsg              (int chat_id, DcMsg msg);
     public native int          sendTextMsg          (int chat_id, String text);
-    public native int          sendVcardMsg         (int chat_id, int contact_id);
-    public native int          sendMediaMsg         (int chat_id, int type, String file, String mime, int w, int h, int time_ms, String author, String trackname);
     public native int          checkQrCPtr          (String qr);
     public @NonNull DcLot      checkQr              (String qr) { return new DcLot(checkQrCPtr(qr)); }
     public native String       getSecurejoinQr      (int chat_id);

src/com/b44t/messenger/DcEventCenter.java

@@ -28,16 +28,16 @@ import java.util.Enumeration;
 import java.util.Hashtable;
 
 public class DcEventCenter {
-    private Hashtable<Integer, ArrayList<Object>> allObservers = new Hashtable<>();
+    private Hashtable<Integer, ArrayList<DcEventDelegate>> allObservers = new Hashtable<>();
     private final Object LOCK = new Object();
 
     public interface DcEventDelegate {
         void handleEvent(int eventId, Object data1, Object data2);
     }
 
-    public void addObserver(Object observer, int eventId) {
+    public void addObserver(DcEventDelegate observer, int eventId) {
         synchronized (LOCK) {
-            ArrayList<Object> idObservers = allObservers.get(eventId);
+            ArrayList<DcEventDelegate> idObservers = allObservers.get(eventId);
             if (idObservers == null) {
                 allObservers.put(eventId, (idObservers = new ArrayList<>()));
             }
@@ -45,9 +45,9 @@ public class DcEventCenter {
         }
     }
 
-    public void removeObserver(Object observer, int eventId) {
+    public void removeObserver(DcEventDelegate observer, int eventId) {
         synchronized (LOCK) {
-            ArrayList<Object> idObservers = allObservers.get(eventId);
+            ArrayList<DcEventDelegate> idObservers = allObservers.get(eventId);
             if (idObservers != null) {
                 idObservers.remove(observer);
             }
@@ -59,7 +59,7 @@ public class DcEventCenter {
             Enumeration<Integer> enumKey = allObservers.keys();
             while(enumKey.hasMoreElements()) {
                 Integer eventId = enumKey.nextElement();
-                ArrayList<Object> idObservers = allObservers.get(eventId);
+                ArrayList<DcEventDelegate> idObservers = allObservers.get(eventId);
                 if (idObservers != null) {
                     idObservers.remove(observer);
                 }
@@ -69,11 +69,11 @@ public class DcEventCenter {
 
     public void sendToObservers(int eventId, Object data1, Object data2) {
         synchronized (LOCK) {
-            ArrayList<Object> idObservers = allObservers.get(eventId);
+            ArrayList<DcEventDelegate> idObservers = allObservers.get(eventId);
             if (idObservers != null) {
                 for (int i = 0; i < idObservers.size(); i++) {
-                    Object observer = idObservers.get(i);
-                    ((DcEventDelegate) observer).handleEvent(eventId, data1, data2);
+                    DcEventDelegate observer = idObservers.get(i);
+                    observer.handleEvent(eventId, data1, data2);
                 }
             }
         }

src/com/b44t/messenger/DcMediaGalleryElement.java

@@ -0,0 +1,44 @@
+package com.b44t.messenger;
+
+/**
+ * Contains a list of media entries, their respective positions and ability to move through it.
+ */
+public class DcMediaGalleryElement {
+
+  final int[] mediaMsgs;
+  int position;
+  final DcContext context;
+  public DcMediaGalleryElement(int[] mediaMsgs, int position, DcContext context, boolean leftIsRecent) {
+    this.mediaMsgs = mediaMsgs;
+    this.position = position;
+    this.context = context;
+
+    // normal state is left is recent. If the ui needs right to be recent we reverse the order here.
+    if (!leftIsRecent) {
+      for (int ii = 0; ii < mediaMsgs.length / 2; ii++) {
+        int tmp = mediaMsgs[ii];
+        int opposite = mediaMsgs.length - 1 - ii;
+        mediaMsgs[ii] = mediaMsgs[opposite];
+        mediaMsgs[opposite] = tmp;
+      }
+    }
+  }
+
+  public int getCount() {
+    return mediaMsgs.length;
+  }
+
+  public int getPosition() {
+    return position;
+  }
+
+  public void moveToPosition(int newPosition) {
+    if(newPosition < 0 || newPosition >= mediaMsgs.length)
+      throw new IllegalArgumentException("can't move outside of known area.");
+    position = newPosition;
+  }
+
+  public DcMsg getMessage() {
+    return context.getMsg(mediaMsgs[position]);
+  }
+}

src/com/b44t/messenger/DcMsg.java

@@ -31,8 +31,7 @@ import org.thoughtcrime.securesms.database.model.Quote;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientProvider;
 
-import java.util.Collections;
-import java.util.List;
+import java.io.File;
 import java.util.Set;
 
 public class DcMsg {
@@ -54,6 +53,7 @@ public class DcMsg {
     public final static int DC_STATE_OUT_DELIVERED = 26;
     public final static int DC_STATE_OUT_MDN_RCVD = 28;
 
+    public static final int DC_MSG_NO_ID = 0;
     public final static int DC_MSG_ID_MARKER1 = 1;
     public final static int DC_MSG_ID_DAYMARKER = 9;
 
@@ -93,15 +93,14 @@ public class DcMsg {
     public native int     getHeight          (int def);
     public native int     getDuration        ();
     public native void    lateFilingMediaSize(int width, int height, int duration);
-    public native int     getBytes           ();
     public @NonNull DcLot getSummary         (DcChat chat) { return new DcLot(getSummaryCPtr(chat.getChatCPtr())); }
     public native String  getSummarytext     (int approx_characters);
     public native int     showPadlock        ();
-    public @NonNull DcLot getMediainfo       () { return new DcLot(getMediainfoCPtr()); }
     public boolean        hasFile            () { String file = getFile(); return file!=null && !file.isEmpty(); }
     public native String  getFile            ();
     public native String  getFilemime        ();
     public native String  getFilename        ();
+    public native long    getFilebytes       ();
     public native boolean isForwarded        ();
     public native boolean isInfo             ();
     public native boolean isSetupMessage     ();
@@ -111,7 +110,12 @@ public class DcMsg {
     public native void    setFile            (String file, String filemime);
     public native void    setDimension       (int width, int height);
     public native void    setDuration        (int duration);
-    public native void    setMediainfo       (String author, String trackname);
+
+    public File getFileAsFile() {
+        if(getFile()==null)
+            throw new AssertionError("expected a file to be present.");
+        return new File(getFile());
+    }
 
     // aliases and higher-level tools
     public static int[] msgSetToIds(final Set<DcMsg> dcMsgs) {
@@ -199,5 +203,4 @@ public class DcMsg {
     private long        msgCPtr;        // CAVE: the name is referenced in the JNI
     private native void unrefMsgCPtr    ();
     private native long getSummaryCPtr  (long chatCPtr);
-    private native long getMediainfoCPtr();
 };

src/org/thoughtcrime/securesms/ApplicationPreferencesActivity.java

@@ -18,11 +18,13 @@
 package org.thoughtcrime.securesms;
 
 import android.annotation.TargetApi;
+import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.TypedArray;
 import android.graphics.drawable.Drawable;
+import android.net.Uri;
 import android.os.Build;
 import android.os.Build.VERSION;
 import android.os.Bundle;
@@ -33,6 +35,7 @@ import android.support.v4.app.FragmentTransaction;
 import android.support.v4.content.ContextCompat;
 import android.support.v4.graphics.drawable.DrawableCompat;
 import android.support.v7.preference.Preference;
+import android.widget.Toast;
 
 import org.thoughtcrime.securesms.preferences.AdvancedPreferenceFragment;
 import org.thoughtcrime.securesms.preferences.AppProtectionPreferenceFragment;
@@ -65,6 +68,8 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
   private static final String PREFERENCE_CATEGORY_APPEARANCE     = "preference_category_appearance";
   private static final String PREFERENCE_CATEGORY_CHATS          = "preference_category_chats";
   private static final String PREFERENCE_CATEGORY_ADVANCED       = "preference_category_advanced";
+  private static final String PREFERENCE_CATEGORY_INVITE         = "preference_category_invite";
+  private static final String PREFERENCE_CATEGORY_HELP           = "preference_category_help";
 
   public static final int REQUEST_CODE_SET_BACKGROUND            = 11;
 
@@ -147,6 +152,10 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
         .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_CHATS));
       this.findPreference(PREFERENCE_CATEGORY_ADVANCED)
         .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_ADVANCED));
+      this.findPreference(PREFERENCE_CATEGORY_INVITE)
+          .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_INVITE));
+      this.findPreference(PREFERENCE_CATEGORY_HELP)
+          .setOnPreferenceClickListener(new CategoryClickListener(PREFERENCE_CATEGORY_HELP));
 
       if (VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
         tintIcons(getActivity());
@@ -179,37 +188,36 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
           .setSummary(ChatsPreferenceFragment.getSummary(getActivity()));
     }
 
-    private void setCategoryVisibility() {
-    }
-
     @TargetApi(11)
     private void tintIcons(Context context) {
-      Drawable sms           = DrawableCompat.wrap(ContextCompat.getDrawable(context, R.drawable.ic_textsms_white_24dp));
       Drawable notifications = DrawableCompat.wrap(ContextCompat.getDrawable(context, R.drawable.ic_notifications_white_24dp));
       Drawable privacy       = DrawableCompat.wrap(ContextCompat.getDrawable(context, R.drawable.ic_security_white_24dp));
       Drawable appearance    = DrawableCompat.wrap(ContextCompat.getDrawable(context, R.drawable.ic_brightness_6_white_24dp));
       Drawable chats         = DrawableCompat.wrap(ContextCompat.getDrawable(context, R.drawable.ic_forum_white_24dp));
-      Drawable devices       = DrawableCompat.wrap(ContextCompat.getDrawable(context, R.drawable.ic_laptop_white_24dp));
       Drawable advanced      = DrawableCompat.wrap(ContextCompat.getDrawable(context, R.drawable.ic_advanced_white_24dp));
+      Drawable invite        = DrawableCompat.wrap(ContextCompat.getDrawable(context, R.drawable.ic_mood_white_24dp));
+      Drawable help          = DrawableCompat.wrap(ContextCompat.getDrawable(context, R.drawable.ic_help_white_24dp));
 
       int[]      tintAttr   = new int[]{R.attr.pref_icon_tint};
       TypedArray typedArray = context.obtainStyledAttributes(tintAttr);
       int        color      = typedArray.getColor(0, 0x0);
       typedArray.recycle();
 
-      DrawableCompat.setTint(sms, color);
       DrawableCompat.setTint(notifications, color);
       DrawableCompat.setTint(privacy, color);
       DrawableCompat.setTint(appearance, color);
       DrawableCompat.setTint(chats, color);
-      DrawableCompat.setTint(devices, color);
       DrawableCompat.setTint(advanced, color);
+      DrawableCompat.setTint(invite, color);
+      DrawableCompat.setTint(help, color);
 
       this.findPreference(PREFERENCE_CATEGORY_NOTIFICATIONS).setIcon(notifications);
       this.findPreference(PREFERENCE_CATEGORY_APP_PROTECTION).setIcon(privacy);
       this.findPreference(PREFERENCE_CATEGORY_APPEARANCE).setIcon(appearance);
       this.findPreference(PREFERENCE_CATEGORY_CHATS).setIcon(chats);
       this.findPreference(PREFERENCE_CATEGORY_ADVANCED).setIcon(advanced);
+      this.findPreference(PREFERENCE_CATEGORY_INVITE).setIcon(invite);
+      this.findPreference(PREFERENCE_CATEGORY_HELP).setIcon(help);
     }
 
     private class CategoryClickListener implements Preference.OnPreferenceClickListener {
@@ -239,6 +247,16 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarA
         case PREFERENCE_CATEGORY_ADVANCED:
           fragment = new AdvancedPreferenceFragment();
           break;
+        case PREFERENCE_CATEGORY_INVITE:
+          startActivity(new Intent(getActivity(), InviteActivity.class));
+          break;
+        case PREFERENCE_CATEGORY_HELP:
+          try {
+            startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.help_url))));
+          } catch (ActivityNotFoundException e) {
+            Toast.makeText(getActivity(), R.string.ConversationListActivity_there_is_no_browser_installed_on_your_device, Toast.LENGTH_LONG).show();
+          }
+          break;
         default:
           throw new AssertionError();
         }

src/org/thoughtcrime/securesms/BindableConversationListItem.java

@@ -14,6 +14,7 @@ import java.util.Set;
 public interface BindableConversationListItem extends Unbindable {
 
   public void bind(@NonNull ThreadRecord thread,
+                   int msgId,
                    @NonNull DcLot dcSummary,
                    @NonNull GlideRequests glideRequests, @NonNull Locale locale,
                    @NonNull Set<Long> selectedThreads, boolean batchMode);

src/org/thoughtcrime/securesms/ContactSelectionListFragment.java

@@ -268,7 +268,7 @@ public class ContactSelectionListFragment extends    Fragment
   @Override
   public Loader<DcContactsLoader.Ret> onCreateLoader(int id, Bundle args) {
     boolean addCreateGroupLinks = !isMulti();
-    int listflags = 0;
+    int listflags = DcContext.DC_GCL_ADD_SELF;
     if(isSelectVerfied()) {
       listflags = DcContext.DC_GCL_VERIFIED_ONLY;
     }

src/org/thoughtcrime/securesms/ConversationActivity.java

@@ -27,6 +27,7 @@ import android.content.res.Configuration;
 import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.graphics.PorterDuff.Mode;
+import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Build;
@@ -55,21 +56,25 @@ import android.view.View.OnFocusChangeListener;
 import android.view.View.OnKeyListener;
 import android.view.WindowManager;
 import android.view.inputmethod.EditorInfo;
-import android.widget.Button;
+import android.webkit.MimeTypeMap;
 import android.widget.ImageButton;
+import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 import android.widget.Toast;
 
 import com.b44t.messenger.DcChat;
+import com.b44t.messenger.DcContact;
 import com.b44t.messenger.DcContext;
 import com.b44t.messenger.DcEventCenter;
+import com.b44t.messenger.DcMsg;
 import com.google.android.gms.location.places.ui.PlacePicker;
 import com.google.protobuf.ByteString;
 
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 import org.greenrobot.eventbus.ThreadMode;
+import org.thoughtcrime.securesms.attachments.Attachment;
 import org.thoughtcrime.securesms.audio.AudioRecorder;
 import org.thoughtcrime.securesms.audio.AudioSlidePlayer;
 import org.thoughtcrime.securesms.components.AnimatingToggle;
@@ -108,7 +113,6 @@ import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord;
 import org.thoughtcrime.securesms.events.ReminderUpdateEvent;
 import org.thoughtcrime.securesms.giph.ui.GiphyActivity;
-import org.thoughtcrime.securesms.jobs.MultiDeviceBlockedUpdateJob;
 import org.thoughtcrime.securesms.mms.AttachmentManager;
 import org.thoughtcrime.securesms.mms.AttachmentManager.MediaType;
 import org.thoughtcrime.securesms.mms.AudioSlide;
@@ -118,8 +122,7 @@ import org.thoughtcrime.securesms.mms.LocationSlide;
 import org.thoughtcrime.securesms.mms.MediaConstraints;
 import org.thoughtcrime.securesms.mms.OutgoingExpirationUpdateMessage;
 import org.thoughtcrime.securesms.mms.OutgoingGroupMediaMessage;
-import org.thoughtcrime.securesms.mms.OutgoingMediaMessage;
-import org.thoughtcrime.securesms.mms.OutgoingSecureMediaMessage;
+import org.thoughtcrime.securesms.mms.PartAuthority;
 import org.thoughtcrime.securesms.mms.QuoteId;
 import org.thoughtcrime.securesms.mms.QuoteModel;
 import org.thoughtcrime.securesms.mms.Slide;
@@ -131,12 +134,9 @@ import org.thoughtcrime.securesms.profiles.GroupShareProfileView;
 import org.thoughtcrime.securesms.providers.PersistentBlobProvider;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientFormattingException;
-import org.thoughtcrime.securesms.recipients.RecipientModifiedListener;
 import org.thoughtcrime.securesms.scribbles.ScribbleActivity;
 import org.thoughtcrime.securesms.service.KeyCachingService;
 import org.thoughtcrime.securesms.sms.MessageSender;
-import org.thoughtcrime.securesms.sms.OutgoingEndSessionMessage;
-import org.thoughtcrime.securesms.sms.OutgoingTextMessage;
 import org.thoughtcrime.securesms.util.CharacterCalculator.CharacterState;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.DynamicTheme;
@@ -154,8 +154,14 @@ import org.thoughtcrime.securesms.util.views.Stub;
 import org.whispersystems.libsignal.InvalidMessageException;
 import org.whispersystems.libsignal.util.guava.Optional;
 
+import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.text.SimpleDateFormat;
 import java.util.Collections;
+import java.util.Date;
 import java.util.List;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -175,7 +181,6 @@ import static org.whispersystems.signalservice.internal.push.SignalServiceProtos
 public class ConversationActivity extends PassphraseRequiredActionBarActivity
     implements ConversationFragment.ConversationFragmentListener,
                AttachmentManager.AttachmentListener,
-               RecipientModifiedListener,
                DcEventCenter.DcEventDelegate,
                OnKeyboardShownListener,
                AttachmentDrawerListener,
@@ -184,12 +189,9 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
 {
   private static final String TAG = ConversationActivity.class.getSimpleName();
 
-  public static final String ADDRESS_EXTRA           = "address";
   public static final String THREAD_ID_EXTRA         = "thread_id";
   public static final String IS_ARCHIVED_EXTRA       = "is_archived";
   public static final String TEXT_EXTRA              = "draft_text";
-  public static final String DISTRIBUTION_TYPE_EXTRA = "distribution_type";
-  public static final String TIMING_EXTRA            = "timing";
   public static final String LAST_SEEN_EXTRA         = "last_seen";
   public static final String STARTING_POSITION_EXTRA = "starting_position";
 
@@ -213,7 +215,6 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
   protected ConversationTitleView       titleView;
   private   TextView                    charactersLeft;
   private   ConversationFragment        fragment;
-  private   Button                      unblockButton;
   private   InputAwareLayout            container;
   private   View                        composePanel;
   protected Stub<ReminderView>          reminderView;
@@ -227,16 +228,15 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
   protected HidingLinearLayout     quickAttachmentToggle;
   private   QuickAttachmentDrawer  quickAttachmentDrawer;
   private   InputPanel             inputPanel;
+  private   ImageView              imageView;
 
   private Recipient  recipient;
   private ApplicationDcContext dcContext;
   private DcChat     dcChat                = new DcChat(0);
   private long       threadId;
-  private int        distributionType;
   private boolean    archived;
   private final boolean isSecureText = true;
   private boolean    isDefaultSms          = true;
-  private boolean    isMmsEnabled          = true;
   private boolean    isSecurityInitialized = false;
 
 
@@ -292,6 +292,8 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       }
     });
 
+    dcContext.marknoticedChat((int)threadId);
+
     dcContext.eventCenter.addObserver(this, DcContext.DC_EVENT_CHAT_MODIFIED);
     dcContext.eventCenter.addObserver(this, DcContext.DC_EVENT_CONTACTS_CHANGED);
   }
@@ -343,14 +345,11 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
 
     titleView.setTitle(glideRequests, dcChat);
     titleView.setVerified(dcChat.isVerified());
-    setBlockedUserState(recipient, isSecureText, isDefaultSms);
     setGroupShareProfileReminder(recipient);
     calculateCharactersRemaining();
 
     MessageNotifier.setVisibleThread(threadId);
     markThreadAsRead();
-
-    Log.w(TAG, "onResume() Finished: " + (System.currentTimeMillis() - getIntent().getLongExtra(TIMING_EXTRA, 0)));
   }
 
   @Override
@@ -388,7 +387,6 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
   @Override
   protected void onDestroy() {
     saveDraft();
-    if (recipient != null)               recipient.removeListener(this);
     if (securityUpdateReceiver != null)  unregisterReceiver(securityUpdateReceiver);
     dcContext.eventCenter.removeObservers(this);
     super.onDestroy();
@@ -436,9 +434,8 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       break;
     case GROUP_EDIT:
       recipient = Recipient.from(this, data.getParcelableExtra(GroupCreateActivity.GROUP_ADDRESS_EXTRA), true);
-      recipient.addListener(this);
+      dcChat = dcContext.getChat((int)threadId);
       titleView.setTitle(glideRequests, dcChat);
-      setBlockedUserState(recipient, isSecureText, isDefaultSms);
       supportInvalidateOptionsMenu();
       break;
     case TAKE_PHOTO:
@@ -448,7 +445,6 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       break;
     case ADD_CONTACT:
       recipient = Recipient.from(this, recipient.getAddress(), true);
-      recipient.addListener(this);
       fragment.reloadList();
       break;
     case PICK_LOCATION:
@@ -489,50 +485,33 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     MenuInflater inflater = this.getMenuInflater();
     menu.clear();
 
-    if (isSecureText) {
-      if (recipient.getExpireMessages() > 0) {
-        inflater.inflate(R.menu.conversation_expiring_on, menu);
-
-        final MenuItem item       = menu.findItem(R.id.menu_expiring_messages);
-        final View     actionView = MenuItemCompat.getActionView(item);
-        final TextView badgeView  = actionView.findViewById(R.id.expiration_badge);
-
-        badgeView.setText(ExpirationUtil.getExpirationAbbreviatedDisplayValue(this, recipient.getExpireMessages()));
-        actionView.setOnClickListener(v -> onOptionsItemSelected(item));
-      } else {
-        inflater.inflate(R.menu.conversation_expiring_off, menu);
-      }
+    if(threadId==DcChat.DC_CHAT_ID_DEADDROP) {
+      return true;
     }
 
-    if (isGroupConversation()) {
-      inflater.inflate(R.menu.conversation_group_options, menu);
-
-      if (!isPushGroupConversation()) {
-        inflater.inflate(R.menu.conversation_mms_group_options, menu);
-        if (distributionType == ThreadDatabase.DistributionTypes.BROADCAST) {
-          menu.findItem(R.id.menu_distribution_broadcast).setChecked(true);
-        } else {
-          menu.findItem(R.id.menu_distribution_conversation).setChecked(true);
-        }
-      } else if (isActiveGroup()) {
-        inflater.inflate(R.menu.conversation_push_group_options, menu);
-      }
+    if (recipient != null && recipient.isMuted()) {
+      inflater.inflate(R.menu.conversation_muted, menu);
+    }
+    else {
+      inflater.inflate(R.menu.conversation_unmuted, menu);
     }
 
     inflater.inflate(R.menu.conversation, menu);
 
-    if (isSingleConversation() && isSecureText) {
-      inflater.inflate(R.menu.conversation_secure, menu);
-    } else if (isSingleConversation()) {
-      inflater.inflate(R.menu.conversation_insecure, menu);
+    if (isGroupConversation()) {
+      if (isActiveGroup()) {
+        inflater.inflate(R.menu.conversation_push_group_options, menu);
+      }
     }
 
-    if (recipient != null && recipient.isMuted()) inflater.inflate(R.menu.conversation_muted, menu);
-    else                                          inflater.inflate(R.menu.conversation_unmuted, menu);
-
-    if (isSingleConversation() && getRecipient().getContactUri() == null) {
-      inflater.inflate(R.menu.conversation_add_to_contacts, menu);
+    if( dcChat.getArchived()==0 ) {
+      inflater.inflate(R.menu.conversation_archive, menu);
     }
+    else {
+      inflater.inflate(R.menu.conversation_unarchive, menu);
+    }
+
+    inflater.inflate(R.menu.conversation_delete, menu);
 
     super.onPrepareOptionsMenu(menu);
     return true;
@@ -542,21 +521,16 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
   public boolean onOptionsItemSelected(MenuItem item) {
     super.onOptionsItemSelected(item);
     switch (item.getItemId()) {
-    case R.id.menu_add_attachment:            handleAddAttachment();                             return true;
-    case R.id.menu_view_media:                handleViewMedia();                                 return true;
-    case R.id.menu_add_to_contacts:           handleAddToContacts();                             return true;
-    case R.id.menu_reset_secure_session:      handleResetSecureSession();                        return true;
-    case R.id.menu_group_recipients:          handleDisplayGroupRecipients();                    return true;
-    case R.id.menu_distribution_broadcast:    handleDistributionBroadcastEnabled(item);          return true;
-    case R.id.menu_distribution_conversation: handleDistributionConversationEnabled(item);       return true;
-    case R.id.menu_edit_group:                handleEditPushGroup();                             return true;
-    case R.id.menu_leave:                     handleLeavePushGroup();                            return true;
-    case R.id.menu_mute_notifications:        handleMuteNotifications();                         return true;
-    case R.id.menu_unmute_notifications:      handleUnmuteNotifications();                       return true;
-    case R.id.menu_conversation_settings:     handleConversationSettings();                      return true;
-    case R.id.menu_expiring_messages_off:
-    case R.id.menu_expiring_messages:         handleSelectMessageExpiration();                   return true;
-    case android.R.id.home:                   handleReturnToConversationList();                  return true;
+      case R.id.menu_add_attachment:        handleAddAttachment();             return true;
+      case R.id.menu_view_media:            handleViewMedia();                 return true;
+      case R.id.menu_edit_group:            handleEditPushGroup();             return true;
+      case R.id.menu_leave:                 handleLeaveGroup();                return true;
+      case R.id.menu_archive_chat:          handleArchiveChat();               return true;
+      case R.id.menu_delete_chat:           handleDeleteChat();                return true;
+      case R.id.menu_mute_notifications:    handleMuteNotifications();         return true;
+      case R.id.menu_unmute_notifications:  handleUnmuteNotifications();       return true;
+      case R.id.menu_conversation_settings: handleConversationSettings();      return true;
+      case android.R.id.home:               handleReturnToConversationList();  return true;
     }
 
     return false;
@@ -593,32 +567,6 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     finish();
   }
 
-  private void handleSelectMessageExpiration() {
-    if (isPushGroupConversation() && !isActiveGroup()) {
-      return;
-    }
-
-    //noinspection CodeBlock2Expr
-    ExpirationDialog.show(this, recipient.getExpireMessages(), expirationTime -> {
-      new AsyncTask<Void, Void, Void>() {
-        @Override
-        protected Void doInBackground(Void... params) {
-          DatabaseFactory.getRecipientDatabase(ConversationActivity.this).setExpireMessages(recipient, expirationTime);
-          OutgoingExpirationUpdateMessage outgoingMessage = new OutgoingExpirationUpdateMessage(getRecipient(), System.currentTimeMillis(), expirationTime * 1000L);
-          MessageSender.send(ConversationActivity.this, outgoingMessage, threadId, false, null);
-
-          return null;
-        }
-
-        @Override
-        protected void onPostExecute(Void result) {
-          invalidateOptionsMenu();
-          if (fragment != null) fragment.setLastSeen(0);
-        }
-      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    });
-  }
-
   private void handleMuteNotifications() {
     MuteDialog.show(this, until -> {
       recipient.setMuted(until);
@@ -658,101 +606,42 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
-  private void handleUnblock() {
-    //noinspection CodeBlock2Expr
-    new AlertDialog.Builder(this)
-        .setTitle(R.string.ConversationActivity_unblock_this_contact_question)
-        .setMessage(R.string.ConversationActivity_you_will_once_again_be_able_to_receive_messages_and_calls_from_this_contact)
-        .setNegativeButton(android.R.string.cancel, null)
-        .setPositiveButton(R.string.ConversationActivity_unblock, (dialog, which) -> {
-          new AsyncTask<Void, Void, Void>() {
-            @Override
-            protected Void doInBackground(Void... params) {
-              DatabaseFactory.getRecipientDatabase(ConversationActivity.this)
-                             .setBlocked(recipient, false);
-
-              ApplicationContext.getInstance(ConversationActivity.this)
-                                .getJobManager()
-                                .add(new MultiDeviceBlockedUpdateJob(ConversationActivity.this));
-
-              return null;
-            }
-          }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-        }).show();
-  }
-
-  private void handleResetSecureSession() {
-    AlertDialog.Builder builder = new AlertDialog.Builder(this);
-    builder.setTitle(R.string.ConversationActivity_reset_secure_session_question);
-    builder.setIconAttribute(R.attr.dialog_alert_icon);
-    builder.setCancelable(true);
-    builder.setMessage(R.string.ConversationActivity_this_may_help_if_youre_having_encryption_problems);
-    builder.setPositiveButton(R.string.ConversationActivity_reset, (dialog, which) -> {
-      if (isSingleConversation()) {
-        final Context context = getApplicationContext();
-
-        OutgoingEndSessionMessage endSessionMessage =
-            new OutgoingEndSessionMessage(new OutgoingTextMessage(getRecipient(), "TERMINATE", 0, -1));
-
-        new AsyncTask<OutgoingEndSessionMessage, Void, Long>() {
-          @Override
-          protected Long doInBackground(OutgoingEndSessionMessage... messages) {
-            return MessageSender.send(context, messages[0], threadId, false, null);
-          }
-
-          @Override
-          protected void onPostExecute(Long result) {
-            sendComplete(result);
-          }
-        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, endSessionMessage);
-      }
-    });
-    builder.setNegativeButton(android.R.string.cancel, null);
-    builder.show();
-  }
-
   private void handleViewMedia() {
     Intent intent = new Intent(this, MediaOverviewActivity.class);
     intent.putExtra(MediaOverviewActivity.ADDRESS_EXTRA, recipient.getAddress());
     startActivity(intent);
   }
 
-  private void handleLeavePushGroup() {
-    if (getRecipient() == null) {
-      Toast.makeText(this, getString(R.string.ConversationActivity_invalid_recipient),
-                     Toast.LENGTH_LONG).show();
-      return;
+  private void handleLeaveGroup() {
+    new AlertDialog.Builder(this)
+      .setMessage(getString(R.string.ConversationActivity_are_you_sure_you_want_to_leave_this_group))
+      .setPositiveButton(R.string.yes, (dialog, which) -> {
+        dcContext.removeContactFromChat((int)threadId, DcContact.DC_CONTACT_ID_SELF);
+        Toast.makeText(this, getString(R.string.done), Toast.LENGTH_SHORT).show();
+      })
+      .setNegativeButton(R.string.no, null)
+      .show();
+  }
+
+  private void handleArchiveChat() {
+    int doArchive = dcContext.getChat((int)threadId).getArchived()==0? 1: 0;
+    dcContext.archiveChat((int)threadId, doArchive);
+    Toast.makeText(this, getString(R.string.done), Toast.LENGTH_SHORT).show();
+    if( doArchive == 1 ) {
+      finish();
     }
+  }
 
-    AlertDialog.Builder builder = new AlertDialog.Builder(this);
-    builder.setTitle(getString(R.string.ConversationActivity_leave_group));
-    builder.setIconAttribute(R.attr.dialog_info_icon);
-    builder.setCancelable(true);
-    builder.setMessage(getString(R.string.ConversationActivity_are_you_sure_you_want_to_leave_this_group));
-    builder.setPositiveButton(R.string.yes, (dialog, which) -> {
-      Context self = ConversationActivity.this;
-
-      try {
-        String groupId = getRecipient().getAddress().toGroupString();
-        DatabaseFactory.getGroupDatabase(self).setActive(groupId, false);
-
-        GroupContext context = GroupContext.newBuilder()
-                                           .setId(ByteString.copyFrom(GroupUtil.getDecodedId(groupId)))
-                                           .setType(GroupContext.Type.QUIT)
-                                           .build();
-
-        OutgoingGroupMediaMessage outgoingMessage = new OutgoingGroupMediaMessage(getRecipient(), context, null, System.currentTimeMillis(), 0, null, Collections.emptyList());
-        MessageSender.send(self, outgoingMessage, threadId, false, null);
-        DatabaseFactory.getGroupDatabase(self).remove(groupId, Address.fromSerialized(TextSecurePreferences.getLocalNumber(self)));
-        initializeEnabledCheck();
-      } catch (IOException e) {
-        Log.w(TAG, e);
-        Toast.makeText(self, R.string.ConversationActivity_error_leaving_group, Toast.LENGTH_LONG).show();
-      }
-    });
-
-    builder.setNegativeButton(R.string.no, null);
-    builder.show();
+  private void handleDeleteChat() {
+    new AlertDialog.Builder(this)
+        .setMessage(getString(R.string.ConversationActivity_ask_delete_chat))
+        .setPositiveButton(R.string.yes, (dialog, which) -> {
+          dcContext.deleteChat((int)threadId);
+          Toast.makeText(this, getString(R.string.done), Toast.LENGTH_SHORT).show();
+          finish();
+        })
+        .setNegativeButton(R.string.no, null)
+        .show();
   }
 
   private void handleEditPushGroup() {
@@ -761,72 +650,6 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     startActivityForResult(intent, GROUP_EDIT);
   }
 
-  private void handleDistributionBroadcastEnabled(MenuItem item) {
-    distributionType = ThreadDatabase.DistributionTypes.BROADCAST;
-    item.setChecked(true);
-
-    if (threadId != -1) {
-      new AsyncTask<Void, Void, Void>() {
-        @Override
-        protected Void doInBackground(Void... params) {
-          DatabaseFactory.getThreadDatabase(ConversationActivity.this)
-                         .setDistributionType(threadId, ThreadDatabase.DistributionTypes.BROADCAST);
-          return null;
-        }
-      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    }
-  }
-
-  private void handleDistributionConversationEnabled(MenuItem item) {
-    distributionType = ThreadDatabase.DistributionTypes.CONVERSATION;
-    item.setChecked(true);
-
-    if (threadId != -1) {
-      new AsyncTask<Void, Void, Void>() {
-        @Override
-        protected Void doInBackground(Void... params) {
-          DatabaseFactory.getThreadDatabase(ConversationActivity.this)
-                         .setDistributionType(threadId, ThreadDatabase.DistributionTypes.CONVERSATION);
-          return null;
-        }
-      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    }
-  }
-
-  private void handleDisplayGroupRecipients() {
-    //TODO: i think this button is not needed and the group options just go to the profile
-    //new GroupMembersDialog(this, getRecipient()).display();
-  }
-
-  private void handleAddToContacts() {
-    if (recipient.getAddress().isGroup()) return;
-
-    try {
-      final Intent intent = new Intent(Intent.ACTION_INSERT_OR_EDIT);
-      if (recipient.getAddress().isEmail()) {
-        intent.putExtra(ContactsContract.Intents.Insert.EMAIL, recipient.getAddress().toEmailString());
-      } else {
-        intent.putExtra(ContactsContract.Intents.Insert.PHONE, recipient.getAddress().toPhoneString());
-      }
-      intent.setType(ContactsContract.Contacts.CONTENT_ITEM_TYPE);
-      startActivityForResult(intent, ADD_CONTACT);
-    } catch (ActivityNotFoundException e) {
-      Log.w(TAG, e);
-    }
-  }
-
-  private boolean handleDisplayQuickContact() {
-    if (recipient.getAddress().isGroup()) return false;
-
-    if (recipient.getContactUri() != null) {
-      ContactsContract.QuickContact.showQuickContact(ConversationActivity.this, titleView, recipient.getContactUri(), ContactsContract.QuickContact.MODE_LARGE, null);
-    } else {
-      handleAddToContacts();
-    }
-
-    return true;
-  }
-
   private void handleAddAttachment() {
     if (attachmentTypeSelector == null) {
       attachmentTypeSelector = new AttachmentTypeSelector(this, getSupportLoaderManager(), new AttachmentTypeListener());
@@ -848,7 +671,6 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
 
     calculateCharactersRemaining();
     supportInvalidateOptionsMenu();
-    setBlockedUserState(recipient, isSecureText, isDefaultSms);
   }
 
   ///// Initializers
@@ -987,7 +809,6 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     composeText           = ViewUtil.findById(this, R.id.embedded_text_editor);
     charactersLeft        = ViewUtil.findById(this, R.id.space_left);
     emojiDrawerStub       = ViewUtil.findStubById(this, R.id.emoji_drawer_stub);
-    unblockButton         = ViewUtil.findById(this, R.id.unblock_button);
     composePanel          = ViewUtil.findById(this, R.id.bottom_panel);
     container             = ViewUtil.findById(this, R.id.layout_container);
     reminderView          = ViewUtil.findStubById(this, R.id.reminder_stub);
@@ -995,6 +816,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     quickAttachmentDrawer = ViewUtil.findById(this, R.id.quick_attachment_drawer);
     quickAttachmentToggle = ViewUtil.findById(this, R.id.quick_attachment_toggle);
     inputPanel            = ViewUtil.findById(this, R.id.bottom_panel);
+    imageView             = ViewUtil.findById(this, R.id.background_imageview);
 
     ImageButton quickCameraToggle = ViewUtil.findById(this, R.id.quick_camera_toggle);
 
@@ -1023,9 +845,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     });
 
     titleView.setOnClickListener(v -> handleConversationSettings());
-    titleView.setOnLongClickListener(v -> handleDisplayQuickContact());
     titleView.setOnBackClickedListener(view -> super.onBackPressed());
-    unblockButton.setOnClickListener(v -> handleUnblock());
 
     composeText.setOnKeyListener(composeKeyPressedListener);
     composeText.addTextChangedListener(composeKeyPressedListener);
@@ -1040,6 +860,10 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       quickCameraToggle.setVisibility(View.GONE);
       quickCameraToggle.setEnabled(false);
     }
+
+    String backgroundImagePath = TextSecurePreferences.getBackgroundImagePath(this);
+    Drawable image = Drawable.createFromPath(backgroundImagePath);
+    imageView.setImageDrawable(image);
   }
 
   protected void initializeActionBar() {
@@ -1053,13 +877,10 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
   }
 
   private void initializeResources() {
-    if (recipient != null) recipient.removeListener(this);
-
     threadId         = getIntent().getLongExtra(THREAD_ID_EXTRA, -1);
     dcChat           = dcContext.getChat((int)threadId);
     recipient        = dcContext.getRecipient(dcChat);
     archived         = getIntent().getBooleanExtra(IS_ARCHIVED_EXTRA, false);
-    distributionType = getIntent().getIntExtra(DISTRIBUTION_TYPE_EXTRA, ThreadDatabase.DistributionTypes.DEFAULT);
     glideRequests    = GlideApp.with(this);
 
 
@@ -1069,20 +890,10 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       conversationContainer.setClipToPadding(true);
     }
 
-    recipient.addListener(this);
-  }
-
-  public void onModified(final Recipient recipient) {
-    Log.w(TAG, "onModified(" + recipient.getAddress().serialize() + ")");
-    Util.runOnMain(() -> {
-      Log.w(TAG, "onModifiedRun(): " + recipient.getRegistered());
-      titleView.setTitle(glideRequests, dcChat);
-      setBlockedUserState(recipient, isSecureText, isDefaultSms);
-      setGroupShareProfileReminder(recipient);
-      updateReminders();
-      initializeSecurity(isSecureText, isDefaultSms);
-      invalidateOptionsMenu();
-    });
+    if(threadId==DcChat.DC_CHAT_ID_DEADDROP) {
+      composePanel.setVisibility(View.GONE);
+      titleView.hideAvatar();
+    }
   }
 
   private void initializeReceivers() {
@@ -1209,7 +1020,6 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
 
     final Drafts       drafts               = getDraftsForCurrentState();
     final long         thisThreadId         = this.threadId;
-    final int          thisDistributionType = this.distributionType;
 
     new AsyncTask<Long, Void, Long>() {
       @Override
@@ -1218,9 +1028,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
         DraftDatabase  draftDatabase  = DatabaseFactory.getDraftDatabase(ConversationActivity.this);
         long           threadId       = params[0];
 
-        if (drafts.size() > 0) {
-          if (threadId == -1) threadId = threadDatabase.getThreadIdFor(getRecipient(), thisDistributionType);
-
+        if (drafts.size() > 0 && threadId>0) {
           draftDatabase.insertDrafts(threadId, drafts);
           threadDatabase.updateSnippet(threadId, drafts.getSnippet(ConversationActivity.this),
                                        drafts.getUriSnippet(),
@@ -1242,16 +1050,6 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     return future;
   }
 
-  private void setBlockedUserState(Recipient recipient, boolean isSecureText, boolean isDefaultSms) {
-    if (false) { // TODO: do we need a unblock button here? typically, the chatlist is closed when blocked
-      unblockButton.setVisibility(View.VISIBLE);
-      composePanel.setVisibility(View.GONE);
-    } else {
-      composePanel.setVisibility(View.VISIBLE);
-      unblockButton.setVisibility(View.GONE);
-    }
-  }
-
   private void setGroupShareProfileReminder(@NonNull Recipient recipient) {
     if (recipient.isPushGroupRecipient() && !recipient.isProfileSharing()) {
       groupShareProfileView.get().setRecipient(recipient);
@@ -1409,42 +1207,88 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     sendMediaMessage(forceSms, getMessage(), attachmentManager.buildSlideDeck(), Collections.emptyList(), expiresIn, subscriptionId, initiating);
   }
 
+  private String getRealPathFromAttachment(Attachment attachment) {
+    try {
+      // get file in the blobdir as `<blobdir>/<name>[-<uniqueNumber>].<ext>`
+      String filename = attachment.getFileName();
+      String ext = "";
+      if(filename==null) {
+        filename = new SimpleDateFormat("yyyy-MM-dd-HH-mm").format(new Date());
+        ext = "."+MimeTypeMap.getSingleton().getExtensionFromMimeType(attachment.getContentType());
+      }
+      else {
+        int i = filename.lastIndexOf(".");
+        if(i>=0) {
+          ext = filename.substring(i);
+          filename = filename.substring(0, i);
+        }
+      }
+      String path = null;
+      for (int i=0; i<1000; i++) {
+        path = dcContext.getBlobdir()+"/"+filename+(i==0? "" : i<100? "-"+i : "-"+(new Date().getTime()+i))+ext;
+        if (!new File(path).exists()) {
+          break;
+        }
+      }
+
+      // copy content to this file
+      if(path!=null) {
+        InputStream inputStream = PartAuthority.getAttachmentStream(this, attachment.getDataUri());
+        OutputStream outputStream = new FileOutputStream(path);
+        Util.copy(inputStream, outputStream);
+      }
+
+      return path;
+    }
+    catch(Exception e) {
+      e.printStackTrace();
+      return null;
+    }
+  }
+
   private ListenableFuture<Void> sendMediaMessage(final boolean forceSms, String body, SlideDeck slideDeck, List<Contact> contacts, final long expiresIn, final int subscriptionId, final boolean initiating) {
-    OutgoingMediaMessage outgoingMessageCandidate = new OutgoingMediaMessage(recipient, slideDeck, body, System.currentTimeMillis(), subscriptionId, expiresIn, distributionType, inputPanel.getQuote().orNull(), contacts);
 
     final SettableFuture<Void> future  = new SettableFuture<>();
-    final Context              context = getApplicationContext();
-
-    final OutgoingMediaMessage outgoingMessage;
-
-    if (isSecureText && !forceSms) {
-      outgoingMessage = new OutgoingSecureMediaMessage(outgoingMessageCandidate);
-    } else {
-      outgoingMessage = outgoingMessageCandidate;
-    }
 
     inputPanel.clearQuote();
     attachmentManager.clear(glideRequests, false);
     composeText.setText("");
-    final long id = fragment.stageOutgoingMessage(outgoingMessage);
 
-    new AsyncTask<Void, Void, Long>() {
-      @Override
-      protected Long doInBackground(Void... param) {
-        if (initiating) {
-          DatabaseFactory.getRecipientDatabase(context).setProfileSharing(recipient, true);
+    try {
+      DcMsg msg = null;
+
+      List<Attachment> attachments = slideDeck.asAttachments();
+      for (Attachment attachment : attachments) {
+        String contentType = attachment.getContentType();
+
+        if (MediaUtil.isImageType(contentType)) {
+          msg = new DcMsg(dcContext, DcMsg.DC_MSG_IMAGE);
+          msg.setDimension(attachment.getWidth(), attachment.getHeight());
+        }
+        else if (MediaUtil.isAudioType(contentType)) {
+          msg = new DcMsg(dcContext,
+              attachment.isVoiceNote()? DcMsg.DC_MSG_VOICE : DcMsg.DC_MSG_AUDIO);
+        }
+        else if (MediaUtil.isVideoType(contentType)) {
+          msg = new DcMsg(dcContext, DcMsg.DC_MSG_VIDEO);
+        }
+        else {
+          msg = new DcMsg(dcContext, DcMsg.DC_MSG_FILE);
         }
 
-        return MessageSender.send(context, outgoingMessage, threadId, false, () -> fragment.releaseOutgoingMessage(id));
+        String path = getRealPathFromAttachment(attachment);
+        msg.setFile(path, null);
       }
 
-      @Override
-      protected void onPostExecute(Long result) {
-        sendComplete(result);
-        future.set(null);
-      }
-    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+      msg.setText(body);
+      dcContext.sendMsg(dcChat.getId(), msg);
+    }
+    catch(Exception e) {
+      e.printStackTrace();
+    }
 
+    sendComplete(dcChat.getId());
+    future.set(null);
     return future;
   }
 
@@ -1821,7 +1665,11 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
   @Override
   public void handleEvent(int eventId, Object data1, Object data2) {
     if (eventId==DcContext.DC_EVENT_CHAT_MODIFIED || eventId==DcContext.DC_EVENT_CONTACTS_CHANGED) {
-      onModified(recipient);
+      titleView.setTitle(glideRequests, dcChat);
+      setGroupShareProfileReminder(recipient);
+      updateReminders();
+      initializeSecurity(isSecureText, isDefaultSms);
+      invalidateOptionsMenu();
     }
   }
 }

src/org/thoughtcrime/securesms/ConversationAdapter.java

@@ -113,6 +113,14 @@ public class ConversationAdapter <V extends View & BindableConversationItem>
     return dcMsgList.length > 0;
   }
 
+  public boolean isGroupChat(){
+    return dcChat.isGroup();
+  }
+
+  public String getChatName(){
+    return dcChat.getName();
+  }
+
   @Override
   public int getItemCount() {
     return dcMsgList.length;
@@ -400,13 +408,5 @@ public class ConversationAdapter <V extends View & BindableConversationItem>
     recordCache.clear();
     notifyDataSetChanged();
   }
-
-  public void addFastRecord(@NonNull MessageRecord record) {
-    // TODO: i think this is not need, we simply should reload the view
-  }
-
-  public void releaseFastRecord(long id) {
-      // TODO: i think this is not need, we simply should reload the view
-  }
 }
 

src/org/thoughtcrime/securesms/ConversationFragment.java

@@ -21,7 +21,6 @@ import android.app.Activity;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
-import android.graphics.Point;
 import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
 import android.os.Build;
@@ -41,10 +40,8 @@ import android.support.v7.widget.RecyclerView;
 import android.support.v7.widget.RecyclerView.OnScrollListener;
 import android.text.ClipboardManager;
 import android.text.Editable;
-import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.util.Log;
-import android.view.Display;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -55,26 +52,26 @@ import android.view.Window;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 import android.widget.EditText;
-import android.widget.FrameLayout;
 import android.widget.TextView;
 import android.widget.Toast;
-import android.widget.ViewSwitcher;
 
+import com.b44t.messenger.DcChat;
 import com.b44t.messenger.DcContact;
 import com.b44t.messenger.DcContext;
 import com.b44t.messenger.DcEventCenter;
 import com.b44t.messenger.DcMsg;
-import com.bumptech.glide.request.RequestOptions;
 
 import org.thoughtcrime.securesms.ConversationAdapter.HeaderViewHolder;
 import org.thoughtcrime.securesms.ConversationAdapter.ItemClickListener;
 import org.thoughtcrime.securesms.connect.ApplicationDcContext;
 import org.thoughtcrime.securesms.connect.DcHelper;
 import org.thoughtcrime.securesms.connect.DcMsgListLoader;
+import org.thoughtcrime.securesms.contactshare.Contact;
 import org.thoughtcrime.securesms.contactshare.ContactUtil;
 import org.thoughtcrime.securesms.contactshare.SharedContactDetailsActivity;
-import org.thoughtcrime.securesms.contactshare.Contact;
+import org.thoughtcrime.securesms.database.Address;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
+import org.thoughtcrime.securesms.database.ThreadDatabase;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.jobs.DirectoryRefreshJob;
 import org.thoughtcrime.securesms.mms.GlideApp;
@@ -82,12 +79,10 @@ import org.thoughtcrime.securesms.mms.OutgoingMediaMessage;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.sms.OutgoingTextMessage;
 import org.thoughtcrime.securesms.util.CommunicationActions;
-import org.thoughtcrime.securesms.util.ServiceUtil;
 import org.thoughtcrime.securesms.util.StickyHeaderDecoration;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.ViewUtil;
 
-import java.io.File;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.LinkedList;
@@ -124,8 +119,7 @@ public class ConversationFragment extends Fragment
   private RecyclerView.ItemDecoration lastSeenDecoration;
   private View                        scrollToBottomButton;
   private TextView                    scrollDateHeader;
-  private FrameLayout                 frameLayout;
-
+  private TextView                    noMessageTextView;
   private ApplicationDcContext        dcContext;
 
   @Override
@@ -148,7 +142,7 @@ public class ConversationFragment extends Fragment
     list                 = ViewUtil.findById(view, android.R.id.list);
     scrollToBottomButton = ViewUtil.findById(view, R.id.scroll_to_bottom_button);
     scrollDateHeader     = ViewUtil.findById(view, R.id.scroll_date_header);
-    frameLayout          = ViewUtil.findById(view, R.id.conversation_container);
+    noMessageTextView    = ViewUtil.findById(view, R.id.no_messages_text_view);
 
     scrollToBottomButton.setOnClickListener(v -> scrollToBottom());
 
@@ -157,9 +151,12 @@ public class ConversationFragment extends Fragment
     list.setLayoutManager(layoutManager);
     list.setItemAnimator(null);
 
-    String backgroundImagePath = TextSecurePreferences.getBackgroundImagePath(getContext());
-    Drawable image = Drawable.createFromPath(backgroundImagePath);
-    frameLayout.setBackground(image);
+    // setLayerType() is needed to allow larger items (long texts in our case)
+    // with hardware layers, drawing may result in errors as "OpenGLRenderer: Path too large to be rendered into a texture"
+    if (android.os.Build.VERSION.SDK_INT >= 11)
+    {
+      list.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
+    }
     return view;
   }
 
@@ -171,6 +168,24 @@ public class ConversationFragment extends Fragment
     initializeListAdapter();
   }
 
+  private void setNoMessageText() {
+    if(threadId==DcChat.DC_CHAT_ID_DEADDROP) {
+      noMessageTextView.setText(R.string.conversation__no_messages);
+    }
+    else if(getListAdapter().isGroupChat()){
+      if( dcContext.getChat((int)threadId).isUnpromoted() ) {
+        noMessageTextView.setText(R.string.ConversationActivity_MsgNewGroupDraftHint);
+      }
+      else {
+        noMessageTextView.setText(R.string.conversation__no_messages);
+      }
+    }else{
+      String name = getListAdapter().getChatName();
+      String message = getString(R.string.ConversationActivity_NoMessagesHint, name, name);
+      noMessageTextView.setText(message);
+    }
+  }
+
   @Override
   public void onDestroy() {
     dcContext.eventCenter.removeObservers(this);
@@ -221,8 +236,8 @@ public class ConversationFragment extends Fragment
   }
 
   private void initializeResources() {
-    this.recipient         = Recipient.from(getActivity(), getActivity().getIntent().getParcelableExtra(ConversationActivity.ADDRESS_EXTRA), true);
     this.threadId          = this.getActivity().getIntent().getLongExtra(ConversationActivity.THREAD_ID_EXTRA, -1);
+    this.recipient         = Recipient.from(getActivity(), Address.fromChat((int)this.threadId), true);
     this.lastSeen          = this.getActivity().getIntent().getLongExtra(ConversationActivity.LAST_SEEN_EXTRA, -1);
     this.startingPosition  = this.getActivity().getIntent().getIntExtra(ConversationActivity.STARTING_POSITION_EXTRA, -1);
     this.firstLoad         = true;
@@ -533,6 +548,14 @@ public class ConversationFragment extends Fragment
       previousOffset = 0;
     }
 
+    if(!adapter.isActive()){
+      setNoMessageText();
+      noMessageTextView.setVisibility(View.VISIBLE);
+    }
+    else{
+      noMessageTextView.setVisibility(View.GONE);
+    }
+
     if (lastSeenPosition <= 0) {
       setLastSeen(0);
     }
@@ -545,36 +568,6 @@ public class ConversationFragment extends Fragment
     }
   }
 
-  public long stageOutgoingMessage(OutgoingMediaMessage message) {
-    MessageRecord messageRecord = DatabaseFactory.getMmsDatabase(getContext()).readerFor(message, threadId).getCurrent();
-
-    if (getListAdapter() != null) {
-      //getListAdapter().setHeaderView(null);
-      setLastSeen(0);
-      getListAdapter().addFastRecord(messageRecord);
-    }
-
-    return messageRecord.getId();
-  }
-
-  public long stageOutgoingMessage(OutgoingTextMessage message) {
-    MessageRecord messageRecord = DatabaseFactory.getSmsDatabase(getContext()).readerFor(message, threadId).getCurrent();
-
-    if (getListAdapter() != null) {
-      //getListAdapter().setHeaderView(null);
-      setLastSeen(0);
-      getListAdapter().addFastRecord(messageRecord);
-    }
-
-    return messageRecord.getId();
-  }
-
-  public void releaseOutgoingMessage(long id) {
-    if (getListAdapter() != null) {
-      getListAdapter().releaseFastRecord(id);
-    }
-  }
-
   private void scrollToStartingPosition(final int startingPosition) {
     list.post(() -> {
       list.getLayoutManager().scrollToPosition(startingPosition);
@@ -758,6 +751,21 @@ public class ConversationFragment extends Fragment
           actionMode.setTitle(String.valueOf(getListAdapter().getSelectedItems().size()));
         }
       }
+      else if(threadId==DcChat.DC_CHAT_ID_DEADDROP) {
+        new AlertDialog.Builder(getActivity())
+          .setPositiveButton(android.R.string.ok, (dialog, which) -> {
+            int chatId = dcContext.createChatByMsgId(messageRecord.getId());
+            if( chatId != 0 ) {
+              Intent intent = new Intent(getActivity(), ConversationActivity.class);
+              intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, (long)chatId);
+              startActivity(intent);
+            }
+          })
+          .setNegativeButton(android.R.string.cancel, null)
+          .setMessage(getActivity().getString(R.string.new_conversation_activity__ask_start_chat_with, dcContext.getContact(messageRecord.getFromId()).getDisplayName()))
+          .show();
+
+      }
       else if(messageRecord.isSetupMessage()) {
         querySetupCode(messageRecord,null);
       }

src/org/thoughtcrime/securesms/ConversationItem.java

@@ -16,14 +16,11 @@
  */
 package org.thoughtcrime.securesms;
 
-import android.annotation.SuppressLint;
-import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.graphics.PorterDuff;
-import android.net.Uri;
 import android.support.annotation.DimenRes;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
@@ -39,13 +36,11 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.LinearLayout;
 import android.widget.TextView;
-import android.widget.Toast;
 
 import com.b44t.messenger.DcChat;
+import com.b44t.messenger.DcContact;
 import com.b44t.messenger.DcMsg;
 
-import org.thoughtcrime.securesms.attachments.DatabaseAttachment;
-import org.thoughtcrime.securesms.components.AlertView;
 import org.thoughtcrime.securesms.components.AudioView;
 import org.thoughtcrime.securesms.components.AvatarImageView;
 import org.thoughtcrime.securesms.components.ConversationItemFooter;
@@ -56,18 +51,12 @@ import org.thoughtcrime.securesms.components.SharedContactView;
 import org.thoughtcrime.securesms.connect.ApplicationDcContext;
 import org.thoughtcrime.securesms.connect.DcHelper;
 import org.thoughtcrime.securesms.contactshare.Contact;
-import org.thoughtcrime.securesms.database.AttachmentDatabase;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.jobs.AttachmentDownloadJob;
 import org.thoughtcrime.securesms.mms.AudioSlide;
 import org.thoughtcrime.securesms.mms.DocumentSlide;
 import org.thoughtcrime.securesms.mms.GlideRequests;
-import org.thoughtcrime.securesms.mms.PartAuthority;
 import org.thoughtcrime.securesms.mms.Slide;
 import org.thoughtcrime.securesms.mms.SlideClickListener;
 import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.recipients.RecipientModifiedListener;
-import org.thoughtcrime.securesms.util.DateUtils;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.thoughtcrime.securesms.util.LongClickCopySpan;
 import org.thoughtcrime.securesms.util.LongClickMovementMethod;
@@ -75,7 +64,6 @@ import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.util.ViewUtil;
 import org.thoughtcrime.securesms.util.views.Stub;
-import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.util.HashSet;
 import java.util.List;
@@ -91,16 +79,17 @@ import java.util.Set;
  */
 
 public class ConversationItem extends LinearLayout
-    implements RecipientModifiedListener, BindableConversationItem
+    implements BindableConversationItem
 {
   private static final String TAG = ConversationItem.class.getSimpleName();
 
   private static final int MAX_MEASURE_CALLS = 3;
 
   private DcMsg         messageRecord;
+  private DcChat        dcChat;
+  private DcContact     dcContact;
   private Locale        locale;
   private boolean       groupThread;
-  private Recipient     recipient;
   private GlideRequests glideRequests;
 
   protected ViewGroup              bodyBubble;
@@ -108,11 +97,9 @@ public class ConversationItem extends LinearLayout
   private   TextView               bodyText;
   private   ConversationItemFooter footer;
   private   TextView               groupSender;
-  private   TextView               groupSenderProfileName;
   private   View                   groupSenderHolder;
   private   AvatarImageView        contactPhoto;
   private   ViewGroup              contactPhotoHolder;
-  private   AlertView              alertView;
   private   ViewGroup              container;
 
   private @NonNull  Set<DcMsg>                      batchSelected = new HashSet<>();
@@ -157,8 +144,6 @@ public class ConversationItem extends LinearLayout
     this.bodyText                =            findViewById(R.id.conversation_item_body);
     this.footer                  =            findViewById(R.id.conversation_item_footer);
     this.groupSender             =            findViewById(R.id.group_message_sender);
-    this.groupSenderProfileName  =            findViewById(R.id.group_message_sender_profile);
-    this.alertView               =            findViewById(R.id.indicators_parent);
     this.contactPhoto            =            findViewById(R.id.contact_photo);
     this.contactPhotoHolder      =            findViewById(R.id.contact_photo_container);
     this.bodyBubble              =            findViewById(R.id.body_bubble);
@@ -188,15 +173,16 @@ public class ConversationItem extends LinearLayout
                    boolean                          pulseHighlight)
   {
     this.messageRecord          = messageRecord;
+    this.dcChat                 = dcChat;
     this.locale                 = locale;
     this.glideRequests          = glideRequests;
     this.batchSelected          = batchSelected;
     this.conversationRecipient  = recipients;
     this.groupThread            = dcChat.isGroup();
-    this.recipient              = dcContext.getRecipient(dcContext.getChat(messageRecord.getChatId()));
 
-    this.recipient.addListener(this);
-    this.conversationRecipient.addListener(this);
+    if (groupThread && !messageRecord.isOutgoing()) {
+      this.dcContact = dcContext.getContact(messageRecord.getFromId());
+    }
 
     setGutterSizes(messageRecord, groupThread);
     setMessageShape(messageRecord, groupThread);
@@ -204,9 +190,8 @@ public class ConversationItem extends LinearLayout
     setInteractionState(messageRecord, pulseHighlight);
     setBodyText(messageRecord);
     setBubbleState(messageRecord);
-    setStatusIcons(messageRecord);
-    setContactPhoto(recipient);
-    setGroupMessageStatus(messageRecord, recipient);
+    setContactPhoto();
+    setGroupMessageStatus();
     setAuthor(messageRecord, groupThread);
     setQuote(messageRecord, groupThread);
     setMessageSpacing(context, messageRecord, groupThread);
@@ -283,9 +268,6 @@ public class ConversationItem extends LinearLayout
 
   @Override
   public void unbind() {
-    if (recipient != null) {
-      recipient.removeListener(this);
-    }
   }
 
   public DcMsg getMessageRecord() {
@@ -299,7 +281,11 @@ public class ConversationItem extends LinearLayout
       bodyBubble.getBackground().setColorFilter(defaultBubbleColor, PorterDuff.Mode.MULTIPLY);
     } else {
       bodyBubble.getBackground().setColorFilter(defaultBubbleColor, PorterDuff.Mode.MULTIPLY);
-      bodyBubble.getBackground().setColorFilter(dcContext.getRecipient(messageRecord.getChatId()).getColor().toConversationColor(context), PorterDuff.Mode.MULTIPLY);
+      if(groupThread && dcContact!=null) {
+        bodyBubble.getBackground().setColorFilter(dcContext.getRecipient(dcContact).getColor().toConversationColor(context), PorterDuff.Mode.MULTIPLY);
+      } else {
+        bodyBubble.getBackground().setColorFilter(dcContext.getRecipient(dcChat).getColor().toConversationColor(context), PorterDuff.Mode.MULTIPLY);
+      }
     }
 
     if (audioViewStub.resolved()) {
@@ -501,13 +487,13 @@ public class ConversationItem extends LinearLayout
     sharedContactStub.get().setSingularStyle();
   }
 
-  private void setContactPhoto(@NonNull Recipient recipient) {
+  private void setContactPhoto() {
     if (contactPhoto == null) return;
 
-    if (messageRecord.isOutgoing() || !groupThread) {
+    if (messageRecord.isOutgoing() || !groupThread || dcContact ==null) {
       contactPhoto.setVisibility(View.GONE);
     } else {
-      contactPhoto.setAvatar(glideRequests, recipient, true);
+      contactPhoto.setAvatar(glideRequests, dcContext.getRecipient(dcContact), true);
       contactPhoto.setVisibility(View.VISIBLE);
     }
   }
@@ -526,17 +512,6 @@ public class ConversationItem extends LinearLayout
     return messageBody;
   }
 
-  private void setStatusIcons(DcMsg messageRecord) {
-    // disable the icon for for, we should use the same ui on desktop/ios here, so, for now
-    //bodyText.setCompoundDrawablesWithIntrinsicBounds(0, 0, messageRecord.isSetupMessage() ? R.drawable.ic_menu_login : 0, 0);
-
-    if (messageRecord.isFailed()) {
-      alertView.setFailed();
-    } else {
-      alertView.setNone();
-    }
-  }
-
   private void setQuote(@NonNull DcMsg current, boolean isGroupThread) {
 //    if (current.isMms() && !current.isMmsNotification() && ((MediaMmsDcMsg)current).getQuote() != null) {
 //      Quote quote = ((MediaMmsDcMsg)current).getQuote();
@@ -619,43 +594,21 @@ public class ConversationItem extends LinearLayout
     return batchSelected.isEmpty() && (messageRecord.isFailed());
   }
 
-  @SuppressLint("SetTextI18n")
-  private void setGroupMessageStatus(DcMsg messageRecord, Recipient recipient) {
-    if (groupThread && !messageRecord.isOutgoing()) {
-      this.groupSender.setText(recipient.toShortString());
-
-      if (recipient.getName() == null && !TextUtils.isEmpty(recipient.getProfileName())) {
-        this.groupSenderProfileName.setText("~" + recipient.getProfileName());
-        this.groupSenderProfileName.setVisibility(View.VISIBLE);
-      } else {
-        this.groupSenderProfileName.setText(null);
-        this.groupSenderProfileName.setVisibility(View.GONE);
-      }
+  private void setGroupMessageStatus() {
+    if (groupThread && !messageRecord.isOutgoing() && dcContact !=null) {
+      this.groupSender.setText(dcContact.getDisplayName());
     }
   }
 
   private void setAuthor(@NonNull DcMsg current, boolean isGroupThread) {
     if (isGroupThread && !current.isOutgoing()) {
-
       if (contactPhotoHolder != null) {
         contactPhotoHolder.setVisibility(VISIBLE);
       }
-      /*if (!previous.isPresent() || previous.get().isInfo() || current.getFromId() != previous.get().getFromId() ||
-          !DateUtils.isSameDay(previous.get().getTimestamp(), current.getTimestamp()))
-      {*/
-        groupSenderHolder.setVisibility(VISIBLE);
-      /*} else {
-        groupSenderHolder.setVisibility(GONE);
-      }*/
-
-      //if (!next.isPresent() || next.get().isInfo() || current.getFromId() != previous.get().getFromId()) {
-        contactPhoto.setVisibility(VISIBLE);
-      //} else {
-      //  contactPhoto.setVisibility(GONE);
-      //}
+      groupSenderHolder.setVisibility(VISIBLE);
+      contactPhoto.setVisibility(VISIBLE);
     } else {
       groupSenderHolder.setVisibility(GONE);
-
       if (contactPhotoHolder != null) {
         contactPhotoHolder.setVisibility(GONE);
       }
@@ -683,16 +636,6 @@ public class ConversationItem extends LinearLayout
 
   /// Event handlers
 
-  @Override
-  public void onModified(final Recipient modified) {
-    Util.runOnMain(() -> {
-      setBubbleState(messageRecord);
-      setContactPhoto(recipient);
-      setGroupMessageStatus(messageRecord, recipient);
-      setAudioViewTint(messageRecord, conversationRecipient);
-    });
-  }
-
   private class SharedContactEventListener implements SharedContactView.EventListener {
     @Override
     public void onAddToContactsClicked(@NonNull Contact contact) {
@@ -740,11 +683,9 @@ public class ConversationItem extends LinearLayout
       } else if (MediaPreviewActivity.isContentTypeSupported(slide.getContentType()) && slide.getUri() != null) {
         Intent intent = new Intent(context, MediaPreviewActivity.class);
         intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
-        intent.setDataAndType(slide.getUri(), slide.getContentType());
+        intent.putExtra(MediaPreviewActivity.DC_MSG_ID, slide.getDcMsgId());
         intent.putExtra(MediaPreviewActivity.ADDRESS_EXTRA, conversationRecipient.getAddress());
         intent.putExtra(MediaPreviewActivity.OUTGOING_EXTRA, messageRecord.isOutgoing());
-        intent.putExtra(MediaPreviewActivity.DATE_EXTRA, messageRecord.getTimestamp());
-        intent.putExtra(MediaPreviewActivity.SIZE_EXTRA, slide.asAttachment().getSize());
         intent.putExtra(MediaPreviewActivity.LEFT_IS_RECENT_EXTRA, false);
 
         context.startActivity(intent);

src/org/thoughtcrime/securesms/ConversationListActivity.java

@@ -17,12 +17,7 @@
 package org.thoughtcrime.securesms;
 
 import android.Manifest;
-import android.annotation.SuppressLint;
-import android.content.ActivityNotFoundException;
-import android.content.Context;
 import android.content.Intent;
-import android.net.Uri;
-import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.v7.widget.Toolbar;
 import android.support.v7.widget.TooltipCompat;
@@ -31,13 +26,15 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.ViewGroup;
 import android.widget.ImageView;
-import android.widget.Toast;
+
+import com.b44t.messenger.DcChat;
+import com.google.zxing.integration.android.IntentIntegrator;
+import com.google.zxing.integration.android.IntentResult;
 
 import org.thoughtcrime.securesms.components.SearchToolbar;
-import org.thoughtcrime.securesms.connect.DcHelper;
 import org.thoughtcrime.securesms.lock.RegistrationLockDialog;
 import org.thoughtcrime.securesms.permissions.Permissions;
-import org.thoughtcrime.securesms.recipients.Recipient;
+import org.thoughtcrime.securesms.qr.QrScanHandler;
 import org.thoughtcrime.securesms.search.SearchFragment;
 import org.thoughtcrime.securesms.service.KeyCachingService;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
@@ -158,29 +155,36 @@ public class ConversationListActivity extends PassphraseRequiredActionBarActivit
     super.onOptionsItemSelected(item);
 
     switch (item.getItemId()) {
-    case R.id.menu_new_chat:          createChat();            return true;
-    case R.id.menu_settings:          handleDisplaySettings(); return true;
-    case R.id.menu_clear_passphrase:  handleClearPassphrase(); return true;
-    case R.id.menu_invite:            handleInvite();          return true;
-    case R.id.menu_help:              handleHelp();            return true;
+      case R.id.menu_new_chat:          createChat();            return true;
+      case R.id.menu_settings:          handleDisplaySettings(); return true;
+      case R.id.menu_clear_passphrase:  handleClearPassphrase(); return true;
+      case R.id.menu_qr_scan:           handleQrScan();          return true;
+      case R.id.menu_qr_show:           handleQrShow();          return true;
+      case R.id.menu_deaddrop:          handleDeaddrop();        return true;
     }
 
     return false;
   }
 
-  @Override
-  public void onCreateConversation(long threadId, Recipient recipient, int distributionType, long lastSeen) {
-    openConversation(threadId, recipient, distributionType, lastSeen, -1);
+  private void handleQrScan() {
+    new IntentIntegrator(this).setCaptureActivity(QrScanActivity.class).initiateScan();
   }
 
-  public void openConversation(long threadId, Recipient recipient, int distributionType, long lastSeen, int startingPosition) {
+  private void handleQrShow() {
+    Intent qrIntent = new Intent(this, QrShowActivity.class);
+    startActivity(qrIntent);
+  }
+
+  @Override
+  public void onCreateConversation(long threadId, long lastSeen) {
+    openConversation(threadId, lastSeen, -1);
+  }
+
+  public void openConversation(long threadId, long lastSeen, int startingPosition) {
     searchToolbar.clearFocus();
 
     Intent intent = new Intent(this, ConversationActivity.class);
-    intent.putExtra(ConversationActivity.ADDRESS_EXTRA, recipient.getAddress());
     intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, threadId);
-    intent.putExtra(ConversationActivity.DISTRIBUTION_TYPE_EXTRA, distributionType);
-    intent.putExtra(ConversationActivity.TIMING_EXTRA, System.currentTimeMillis());
     intent.putExtra(ConversationActivity.LAST_SEEN_EXTRA, lastSeen);
     intent.putExtra(ConversationActivity.STARTING_POSITION_EXTRA, startingPosition);
 
@@ -205,6 +209,12 @@ public class ConversationListActivity extends PassphraseRequiredActionBarActivit
     startActivity(intent);
   }
 
+  private void handleDeaddrop() {
+    Intent intent = new Intent(this, ConversationActivity.class);
+    intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, (long)DcChat.DC_CHAT_ID_DEADDROP);
+    startActivity(intent);
+  }
+
   private void handleDisplaySettings() {
     Intent preferencesIntent = new Intent(this, ApplicationPreferencesActivity.class);
     startActivity(preferencesIntent);
@@ -216,15 +226,12 @@ public class ConversationListActivity extends PassphraseRequiredActionBarActivit
     startService(intent);
   }
 
-  private void handleInvite() {
-    startActivity(new Intent(this, InviteActivity.class));
-  }
-
-  private void handleHelp() {
-    try {
-      startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.help_url))));
-    } catch (ActivityNotFoundException e) {
-      Toast.makeText(this, R.string.ConversationListActivity_there_is_no_browser_installed_on_your_device, Toast.LENGTH_LONG).show();
+  @Override
+  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+    if (requestCode == IntentIntegrator.REQUEST_CODE) {
+      IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
+      QrScanHandler qrScanHandler = new QrScanHandler(this);
+      qrScanHandler.onScanPerformed(scanResult);
     }
   }
 }

src/org/thoughtcrime/securesms/ConversationListAdapter.java

@@ -48,6 +48,7 @@ class ConversationListAdapter extends RecyclerView.Adapter {
   private static final int MESSAGE_TYPE_SWITCH_ARCHIVE = 1;
   private static final int MESSAGE_TYPE_THREAD         = 2;
   private static final int MESSAGE_TYPE_INBOX_ZERO     = 3;
+  private static final int MESSAGE_TYPE_DEADDROP       = 4; // DEADDROP and THREAD share the same class, however, for DEADDROP it is modified on construction so it cannot be reused
 
   private final @NonNull  ApplicationDcContext dcContext;
   private @NonNull        DcChatlist           dcChatlist;
@@ -131,14 +132,17 @@ class ConversationListAdapter extends RecyclerView.Adapter {
     ViewHolder holder = (ViewHolder)viewHolder;
     DcChat chat = dcContext.getChat(dcChatlist.getChatId(i));
     DcLot summary = dcChatlist.getSummary(i, chat);
-    holder.getItem().bind(dcContext.getThreadRecord(summary, chat), summary, glideRequests, locale, batchSet, batchMode);
+    holder.getItem().bind(dcContext.getThreadRecord(summary, chat), dcChatlist.getMsgId(i), summary, glideRequests, locale, batchSet, batchMode);
   }
 
   @Override
   public int getItemViewType(int i) {
     int chatId = dcChatlist.getChatId(i);
 
-    if (chatId == DcChat.DC_CHAT_ID_ARCHIVED_LINK) {
+    if (chatId==DcChat.DC_CHAT_ID_DEADDROP) {
+      return MESSAGE_TYPE_DEADDROP;
+    }
+    else if (chatId == DcChat.DC_CHAT_ID_ARCHIVED_LINK) {
       return MESSAGE_TYPE_SWITCH_ARCHIVE;
     } else if(chatId == DcChat.DC_CHAT_ID_ALLDONE_HINT) {
       return MESSAGE_TYPE_INBOX_ZERO;

src/org/thoughtcrime/securesms/ConversationListArchiveActivity.java

@@ -51,12 +51,10 @@ public class ConversationListArchiveActivity extends PassphraseRequiredActionBar
   }
 
   @Override
-  public void onCreateConversation(long threadId, Recipient recipient, int distributionType, long lastSeenTime) {
+  public void onCreateConversation(long threadId, long lastSeenTime) {
     Intent intent = new Intent(this, ConversationActivity.class);
-    intent.putExtra(ConversationActivity.ADDRESS_EXTRA, recipient.getAddress());
     intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, threadId);
     intent.putExtra(ConversationActivity.IS_ARCHIVED_EXTRA, true);
-    intent.putExtra(ConversationActivity.DISTRIBUTION_TYPE_EXTRA, distributionType);
     intent.putExtra(ConversationActivity.LAST_SEEN_EXTRA, lastSeenTime);
 
     startActivity(intent);

src/org/thoughtcrime/securesms/ConversationListFragment.java

@@ -19,6 +19,7 @@ package org.thoughtcrime.securesms;
 import android.annotation.SuppressLint;
 import android.app.ProgressDialog;
 import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
@@ -50,7 +51,9 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
+import com.b44t.messenger.DcChat;
 import com.b44t.messenger.DcChatlist;
+import com.b44t.messenger.DcContact;
 import com.b44t.messenger.DcContext;
 import com.b44t.messenger.DcEventCenter;
 
@@ -270,10 +273,7 @@ public class ConversationListFragment extends Fragment
     final DcContext     dcContext          = DcHelper.getContext(getActivity());
     int                 conversationsCount = getListAdapter().getBatchSelections().size();
     AlertDialog.Builder alert              = new AlertDialog.Builder(getActivity());
-    alert.setIconAttribute(R.attr.dialog_alert_icon);
-    alert.setTitle(getActivity().getResources().getQuantityString(R.plurals.ConversationListFragment_delete_selected_conversations,
-                                                                  conversationsCount, conversationsCount));
-    alert.setMessage(getActivity().getResources().getQuantityString(R.plurals.ConversationListFragment_this_will_permanently_delete_all_n_selected_conversations,
+    alert.setMessage(getActivity().getResources().getQuantityString(R.plurals.ConversationListFragment_ask_selected_chats,
                                                                     conversationsCount, conversationsCount));
     alert.setCancelable(true);
 
@@ -322,8 +322,8 @@ public class ConversationListFragment extends Fragment
     actionMode.setTitle(String.valueOf(getListAdapter().getBatchSelections().size()));
   }
 
-  private void handleCreateConversation(long threadId, Recipient recipient, int distributionType, long lastSeen) {
-    ((ConversationSelectedListener)getActivity()).onCreateConversation(threadId, recipient, distributionType, lastSeen);
+  private void handleCreateConversation(long threadId, long lastSeen) {
+    ((ConversationSelectedListener)getActivity()).onCreateConversation(threadId, lastSeen);
   }
 
   @Override
@@ -368,8 +368,30 @@ public class ConversationListFragment extends Fragment
   @Override
   public void onItemClick(ConversationListItem item) {
     if (actionMode == null) {
-      handleCreateConversation(item.getThreadId(), item.getRecipient(),
-                               item.getDistributionType(), item.getLastSeen());
+      long threadId = item.getThreadId();
+
+      if (threadId==DcChat.DC_CHAT_ID_DEADDROP) {
+        DcContext dcContext = DcHelper.getContext(getActivity());
+        int msgId = item.getMsgId();
+        int contactId = item.getContactId();
+        DcContact contact = dcContext.getContact(contactId);
+        new AlertDialog.Builder(getActivity())
+          .setMessage(getActivity().getString(R.string.new_conversation_activity__ask_start_chat_with, contact.getNameNAddr()))
+          .setPositiveButton(android.R.string.ok, (dialog, which) ->  {
+              int belongingChatId = dcContext.createChatByMsgId(msgId);
+              if( belongingChatId != 0 ) {
+                handleCreateConversation(belongingChatId, 0);
+              }
+          })
+          .setNegativeButton(R.string.not_now, null)
+          .setNeutralButton(R.string.never, (dialog, which) -> {
+            dcContext.blockContact(contactId, 1);
+          })
+          .show();
+        return;
+      }
+
+      handleCreateConversation(threadId, item.getLastSeen());
     } else {
       ConversationListAdapter adapter = (ConversationListAdapter)list.getAdapter();
       adapter.toggleThreadInBatchSet(item.getThreadId());
@@ -399,7 +421,7 @@ public class ConversationListFragment extends Fragment
   }
 
   public interface ConversationSelectedListener {
-    void onCreateConversation(long threadId, Recipient recipient, int distributionType, long lastSeen);
+    void onCreateConversation(long threadId, long lastSeen);
     void onSwitchToArchive();
 }
 
@@ -506,6 +528,12 @@ public class ConversationListFragment extends Fragment
           }
         }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, threadId);
       } else {
+        if (threadId==DcChat.DC_CHAT_ID_DEADDROP) {
+          int contactId = ((ConversationListItem)viewHolder.itemView).getContactId();
+          dcContext.marknoticedContact(contactId);
+          return;
+        }
+
         new SnackbarAsyncTask<Long>(getView(),
                                     getResources().getQuantityString(R.plurals.ConversationListFragment_conversations_archived, 1, 1),
                                     getString(R.string.ConversationListFragment_undo),

src/org/thoughtcrime/securesms/ConversationListItem.java

@@ -17,10 +17,9 @@
 package org.thoughtcrime.securesms;
 
 import android.content.Context;
-import android.content.res.ColorStateList;
+import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.graphics.Typeface;
-import android.graphics.drawable.RippleDrawable;
 import android.os.Build.VERSION;
 import android.os.Build.VERSION_CODES;
 import android.support.annotation.NonNull;
@@ -38,22 +37,23 @@ import android.widget.TextView;
 
 import com.amulyakhare.textdrawable.TextDrawable;
 import com.annimon.stream.Stream;
+import com.b44t.messenger.DcChat;
+import com.b44t.messenger.DcContact;
+import com.b44t.messenger.DcContext;
 import com.b44t.messenger.DcLot;
 import com.b44t.messenger.DcMsg;
 
-import org.thoughtcrime.securesms.components.AlertView;
 import org.thoughtcrime.securesms.components.AvatarImageView;
 import org.thoughtcrime.securesms.components.DeliveryStatusView;
 import org.thoughtcrime.securesms.components.FromTextView;
-import org.thoughtcrime.securesms.components.ThumbnailView;
+import org.thoughtcrime.securesms.connect.ApplicationDcContext;
+import org.thoughtcrime.securesms.connect.DcHelper;
 import org.thoughtcrime.securesms.database.model.ThreadRecord;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.recipients.RecipientModifiedListener;
 import org.thoughtcrime.securesms.search.model.MessageResult;
 import org.thoughtcrime.securesms.util.DateUtils;
 import org.thoughtcrime.securesms.util.ThemeUtil;
-import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.util.ViewUtil;
 
 import java.util.Collections;
@@ -62,8 +62,7 @@ import java.util.Locale;
 import java.util.Set;
 
 public class ConversationListItem extends RelativeLayout
-                                  implements RecipientModifiedListener,
-                                             BindableConversationListItem, Unbindable
+                                  implements BindableConversationListItem, Unbindable
 {
   @SuppressWarnings("unused")
   private final static String TAG = ConversationListItem.class.getSimpleName();
@@ -75,21 +74,19 @@ public class ConversationListItem extends RelativeLayout
   private Set<Long>          selectedThreads;
   private Recipient          recipient;
   private long               threadId;
+  private int                msgId;
   private GlideRequests      glideRequests;
   private TextView           subjectView;
   private FromTextView       fromView;
   private TextView           dateView;
   private TextView           archivedView;
   private DeliveryStatusView deliveryStatusIndicator;
-  private AlertView          alertView;
   private ImageView          unreadIndicator;
+  private ImageView          verifiedIndicator;
   private long               lastSeen;
 
   private int             unreadCount;
   private AvatarImageView contactPhotoImage;
-  private ThumbnailView   thumbnailView;
-
-  private int distributionType;
 
   public ConversationListItem(Context context) {
     this(context, null);
@@ -103,15 +100,13 @@ public class ConversationListItem extends RelativeLayout
   protected void onFinishInflate() {
     super.onFinishInflate();
     this.subjectView             = findViewById(R.id.subject);
-    this.fromView                = findViewById(R.id.from);
+    this.fromView                = findViewById(R.id.from_text);
     this.dateView                = findViewById(R.id.date);
     this.deliveryStatusIndicator = findViewById(R.id.delivery_status);
-    this.alertView               = findViewById(R.id.indicators_parent);
     this.contactPhotoImage       = findViewById(R.id.contact_photo_image);
-    this.thumbnailView           = findViewById(R.id.thumbnail);
     this.archivedView            = findViewById(R.id.archived);
     this.unreadIndicator         = findViewById(R.id.unread_indicator);
-    thumbnailView.setClickable(false);
+    this.verifiedIndicator       = findViewById(R.id.verified_indicator);
 
     ViewUtil.setTextViewGravityStart(this.fromView, getContext());
     ViewUtil.setTextViewGravityStart(this.subjectView, getContext());
@@ -119,16 +114,18 @@ public class ConversationListItem extends RelativeLayout
 
   @Override
   public void bind(@NonNull ThreadRecord thread,
+                   int msgId,
                    @NonNull DcLot dcSummary,
                    @NonNull GlideRequests glideRequests,
                    @NonNull Locale locale,
                    @NonNull Set<Long> selectedThreads,
                    boolean batchMode)
   {
-    bind(thread, dcSummary, glideRequests, locale, selectedThreads, batchMode, null);
+    bind(thread, msgId, dcSummary, glideRequests, locale, selectedThreads, batchMode, null);
   }
 
   public void bind(@NonNull ThreadRecord thread,
+                   int msgId,
                    @NonNull DcLot dcSummary,
                    @NonNull GlideRequests glideRequests,
                    @NonNull Locale locale,
@@ -140,12 +137,11 @@ public class ConversationListItem extends RelativeLayout
     this.selectedThreads  = selectedThreads;
     this.recipient        = thread.getRecipient();
     this.threadId         = thread.getThreadId();
+    this.msgId            = msgId;
     this.glideRequests    = glideRequests;
     this.unreadCount      = thread.getUnreadCount();
-    this.distributionType = thread.getDistributionType();
     this.lastSeen         = thread.getLastSeen();
 
-    this.recipient.addListener(this);
     if (highlightSubstring != null) {
       this.fromView.setText(getHighlightedSpan(locale, recipient.getName(), highlightSubstring));
     } else {
@@ -160,23 +156,22 @@ public class ConversationListItem extends RelativeLayout
     if (thread.getDate() > 0) {
       CharSequence date = DateUtils.getBriefRelativeTimeSpanString(getContext(), locale, thread.getDate());
       dateView.setText(date);
-      dateView.setTypeface(unreadCount == 0 ? LIGHT_TYPEFACE : BOLD_TYPEFACE);
-      dateView.setTextColor(unreadCount == 0 ? ThemeUtil.getThemedColor(getContext(), R.attr.conversation_list_item_date_color)
-                                             : ThemeUtil.getThemedColor(getContext(), R.attr.conversation_list_item_unread_color));
-    }
-
-    if (thread.isArchived()) {
-      this.archivedView.setVisibility(View.VISIBLE);
-    } else {
-      this.archivedView.setVisibility(View.GONE);
     }
 
     setStatusIcons(thread);
-    setThumbnailSnippet(thread);
     setBatchState(batchMode);
-    setRippleColor(recipient);
-    setUnreadIndicator(thread);
-    this.contactPhotoImage.setAvatar(glideRequests, recipient, true);
+    setBgColor();
+
+    if(threadId==DcChat.DC_CHAT_ID_DEADDROP) {
+      ApplicationDcContext dcContext = DcHelper.getContext(getContext());
+      DcContact dcContact = dcContext.getContact(dcContext.getMsg(msgId).getFromId());
+      this.contactPhotoImage.setAvatar(glideRequests, dcContext.getRecipient(dcContact), true);
+    }
+    else {
+      this.contactPhotoImage.setAvatar(glideRequests, recipient, true);
+    }
+
+    verifiedIndicator.setVisibility(thread.isVerified() ? VISIBLE : GONE);
   }
 
   public void bind(@NonNull  Recipient     contact,
@@ -188,19 +183,15 @@ public class ConversationListItem extends RelativeLayout
     this.recipient       = contact;
     this.glideRequests   = glideRequests;
 
-    this.recipient.addListener(this);
-
     fromView.setText(getHighlightedSpan(locale, recipient.getName(), highlightSubstring));
     subjectView.setText(getHighlightedSpan(locale, contact.getAddress().toPhoneString(), highlightSubstring));
     dateView.setText("");
     archivedView.setVisibility(GONE);
     unreadIndicator.setVisibility(GONE);
     deliveryStatusIndicator.setNone();
-    alertView.setNone();
-    thumbnailView.setVisibility(GONE);
 
     setBatchState(false);
-    setRippleColor(contact);
+    setBgColor();
     contactPhotoImage.setAvatar(glideRequests, recipient, true);
   }
 
@@ -213,25 +204,20 @@ public class ConversationListItem extends RelativeLayout
     this.recipient       = messageResult.recipient;
     this.glideRequests   = glideRequests;
 
-    this.recipient.addListener(this);
-
     fromView.setText(recipient, true);
     subjectView.setText(getHighlightedSpan(locale, messageResult.bodySnippet, highlightSubstring));
     dateView.setText(DateUtils.getBriefRelativeTimeSpanString(getContext(), locale, messageResult.receivedTimestampMs));
     archivedView.setVisibility(GONE);
     unreadIndicator.setVisibility(GONE);
     deliveryStatusIndicator.setNone();
-    alertView.setNone();
-    thumbnailView.setVisibility(GONE);
 
     setBatchState(false);
-    setRippleColor(recipient);
+    setBgColor();
     contactPhotoImage.setAvatar(glideRequests, recipient, true);
   }
 
   @Override
   public void unbind() {
-    if (this.recipient != null) this.recipient.removeListener(this);
   }
 
   private void setBatchState(boolean batch) {
@@ -246,90 +232,76 @@ public class ConversationListItem extends RelativeLayout
     return threadId;
   }
 
-  public int getUnreadCount() {
-    return unreadCount;
+  public int getMsgId() {
+    return msgId;
   }
 
-  public int getDistributionType() {
-    return distributionType;
+  public int getContactId() {
+    DcContext dcContext = DcHelper.getContext(getContext());
+    return dcContext.getMsg(msgId).getFromId();
   }
 
   public long getLastSeen() {
     return lastSeen;
   }
 
-  private void setThumbnailSnippet(ThreadRecord thread) {
-    if (thread.getSnippetUri() != null) {
-      this.thumbnailView.setVisibility(View.VISIBLE);
-      this.thumbnailView.setImageResource(glideRequests, thread.getSnippetUri());
-
-      LayoutParams subjectParams = (RelativeLayout.LayoutParams)this.subjectView.getLayoutParams();
-      subjectParams.addRule(RelativeLayout.LEFT_OF, R.id.thumbnail);
-      if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) {
-        subjectParams.addRule(RelativeLayout.START_OF, R.id.thumbnail);
-      }
-      this.subjectView.setLayoutParams(subjectParams);
-      this.post(new ThumbnailPositioner(thumbnailView, archivedView, deliveryStatusIndicator, dateView));
-    } else {
-      this.thumbnailView.setVisibility(View.GONE);
-
-      LayoutParams subjectParams = (RelativeLayout.LayoutParams)this.subjectView.getLayoutParams();
-      subjectParams.addRule(RelativeLayout.LEFT_OF, R.id.status);
-      if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) {
-        subjectParams.addRule(RelativeLayout.START_OF, R.id.status);
-      }
-      this.subjectView.setLayoutParams(subjectParams);
-    }
-  }
-
   private void setStatusIcons(ThreadRecord thread) {
-    int state = dcSummary.getState();
-
-    if (state==DcMsg.DC_STATE_IN_FRESH || state==DcMsg.DC_STATE_IN_NOTICED) {
+    if (thread.isArchived())
+    {
+      // archived
+      this.archivedView.setVisibility(View.VISIBLE);
       deliveryStatusIndicator.setNone();
-      alertView.setNone();
-    } else if (state==DcMsg.DC_STATE_OUT_ERROR) {
-      deliveryStatusIndicator.setNone();
-      alertView.setFailed();
-    } else {
-      alertView.setNone();
-      if(state==DcMsg.DC_STATE_OUT_MDN_RCVD) {
-        deliveryStatusIndicator.setRead();
-      }
-      else if(state==DcMsg.DC_STATE_OUT_DELIVERED) {
-        deliveryStatusIndicator.setSent();
-      }
-      else if (state==DcMsg.DC_STATE_OUT_PENDING){
-        deliveryStatusIndicator.setPending();
-      }
-      else {
-        deliveryStatusIndicator.setNone();
-      }
-    }
-  }
-
-  private void setRippleColor(Recipient recipient) {
-    if (VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
-      ((RippleDrawable)(getBackground()).mutate())
-          .setColor(ColorStateList.valueOf(recipient.getColor().toConversationColor(getContext())));
-    }
-  }
-
-  private void setUnreadIndicator(ThreadRecord thread) {
-    if (thread.getUnreadCount() == 0) {
       unreadIndicator.setVisibility(View.GONE);
-      return;
     }
+    else
+    {
+      this.archivedView.setVisibility(View.GONE);
+      int state = dcSummary.getState();
+      if (state==DcMsg.DC_STATE_IN_FRESH || state==DcMsg.DC_STATE_IN_NOTICED)
+      {
+        // incoming
+        deliveryStatusIndicator.setNone();
+        int unreadCount = thread.getUnreadCount();
+        if(unreadCount==0) {
+          unreadIndicator.setVisibility(View.GONE);
+        }
+        else {
+          unreadIndicator.setImageDrawable(TextDrawable.builder()
+              .beginConfig()
+              .width(ViewUtil.dpToPx(getContext(), 24))
+              .height(ViewUtil.dpToPx(getContext(), 24))
+              .textColor(Color.WHITE)
+              .bold()
+              .endConfig()
+              .buildRound(String.valueOf(unreadCount), getResources().getColor(R.color.green_A700)));
+          unreadIndicator.setVisibility(View.VISIBLE);
+        }
+      }
+      else
+      {
+        // outgoing
+        unreadIndicator.setVisibility(View.GONE);
+        if (state == DcMsg.DC_STATE_OUT_ERROR) {
+          deliveryStatusIndicator.setFailed();
+        } else if (state == DcMsg.DC_STATE_OUT_MDN_RCVD) {
+          deliveryStatusIndicator.setRead();
+        } else if (state == DcMsg.DC_STATE_OUT_DELIVERED) {
+          deliveryStatusIndicator.setSent();
+        } else if (state == DcMsg.DC_STATE_OUT_PENDING) {
+          deliveryStatusIndicator.setPending();
+        } else {
+          deliveryStatusIndicator.setNone();
+        }
+      }
+    }
+  }
 
-    unreadIndicator.setImageDrawable(TextDrawable.builder()
-                                                 .beginConfig()
-                                                 .width(ViewUtil.dpToPx(getContext(), 24))
-                                                 .height(ViewUtil.dpToPx(getContext(), 24))
-                                                 .textColor(Color.WHITE)
-                                                 .bold()
-                                                 .endConfig()
-                                                 .buildRound(String.valueOf(thread.getUnreadCount()), getResources().getColor(R.color.green_A700)));
-    unreadIndicator.setVisibility(View.VISIBLE);
+  private void setBgColor() {
+    if(threadId==DcChat.DC_CHAT_ID_DEADDROP) {
+      TypedArray ta = getContext().obtainStyledAttributes(new int[] { R.attr.conversation_list_deaddrop_bg_color});
+      setBackgroundColor(ta.getColor(0, 0xffffffff));
+      ta.recycle();
+    }
   }
 
   private Spanned getHighlightedSpan(@NonNull  Locale locale,
@@ -369,50 +341,4 @@ public class ConversationListItem extends RelativeLayout
 
     return spanned;
   }
-
-  @Override
-  public void onModified(final Recipient recipient) {
-    Util.runOnMain(() -> {
-      fromView.setText(recipient, unreadCount == 0);
-      contactPhotoImage.setAvatar(glideRequests, recipient, true);
-      setRippleColor(recipient);
-    });
-  }
-
-  private static class ThumbnailPositioner implements Runnable {
-
-    private final View thumbnailView;
-    private final View archivedView;
-    private final View deliveryStatusView;
-    private final View dateView;
-
-    ThumbnailPositioner(View thumbnailView, View archivedView, View deliveryStatusView, View dateView) {
-      this.thumbnailView      = thumbnailView;
-      this.archivedView       = archivedView;
-      this.deliveryStatusView = deliveryStatusView;
-      this.dateView           = dateView;
-    }
-
-    @Override
-    public void run() {
-      LayoutParams thumbnailParams = (RelativeLayout.LayoutParams)thumbnailView.getLayoutParams();
-
-      if (archivedView.getVisibility() == View.VISIBLE &&
-          (archivedView.getWidth() + deliveryStatusView.getWidth()) > dateView.getWidth())
-      {
-        thumbnailParams.addRule(RelativeLayout.LEFT_OF, R.id.status);
-        if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) {
-          thumbnailParams.addRule(RelativeLayout.START_OF, R.id.status);
-        }
-      } else {
-        thumbnailParams.addRule(RelativeLayout.LEFT_OF, R.id.date);
-        if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) {
-          thumbnailParams.addRule(RelativeLayout.START_OF, R.id.date);
-        }
-      }
-
-      thumbnailView.setLayoutParams(thumbnailParams);
-    }
-  }
-
 }

src/org/thoughtcrime/securesms/ConversationListItemAction.java

@@ -42,7 +42,7 @@ public class ConversationListItemAction extends LinearLayout implements Bindable
   }
 
   @Override
-  public void bind(@NonNull ThreadRecord thread, @NonNull DcLot dcSummary, @NonNull GlideRequests glideRequests, @NonNull Locale locale, @NonNull Set<Long> selectedThreads, boolean batchMode) {
+  public void bind(@NonNull ThreadRecord thread, int msgId, @NonNull DcLot dcSummary, @NonNull GlideRequests glideRequests, @NonNull Locale locale, @NonNull Set<Long> selectedThreads, boolean batchMode) {
     this.description.setText(thread.getRecipient().getName());
   }
 

src/org/thoughtcrime/securesms/ConversationListItemInboxZero.java

@@ -41,7 +41,7 @@ public class ConversationListItemInboxZero extends LinearLayout implements Binda
   }
 
   @Override
-  public void bind(@NonNull ThreadRecord thread, @NonNull DcLot dcSummary, @NonNull GlideRequests glideRequests, @NonNull Locale locale, @NonNull Set<Long> selectedThreads, boolean batchMode) {
+  public void bind(@NonNull ThreadRecord thread, int msgId, @NonNull DcLot dcSummary, @NonNull GlideRequests glideRequests, @NonNull Locale locale, @NonNull Set<Long> selectedThreads, boolean batchMode) {
 
   }
 }

src/org/thoughtcrime/securesms/ConversationPopupActivity.java

@@ -82,7 +82,6 @@ public class ConversationPopupActivity extends ConversationActivity {
           public void onSuccess(Long result) {
             ActivityOptionsCompat transition = ActivityOptionsCompat.makeScaleUpAnimation(getWindow().getDecorView(), 0, 0, getWindow().getAttributes().width, getWindow().getAttributes().height);
             Intent intent = new Intent(ConversationPopupActivity.this, ConversationActivity.class);
-            intent.putExtra(ConversationActivity.ADDRESS_EXTRA, getRecipient().getAddress());
             intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, result);
 
             if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {

src/org/thoughtcrime/securesms/ConversationTitleView.java

@@ -73,6 +73,10 @@ public class ConversationTitleView extends RelativeLayout {
     this.verified.setVisibility(verified ? View.VISIBLE : View.GONE);
   }
 
+  public void hideAvatar() {
+    avatar.setVisibility(View.GONE);
+  }
+
   @Override
   public void setOnClickListener(@Nullable OnClickListener listener) {
     this.content.setOnClickListener(listener);

src/org/thoughtcrime/securesms/ConversationUpdateItem.java

@@ -67,8 +67,6 @@ public class ConversationUpdateItem extends LinearLayout
     this.title = findViewById(R.id.conversation_update_title);
     this.body  = findViewById(R.id.conversation_update_body);
     this.date  = findViewById(R.id.conversation_update_date);
-
-    this.setOnClickListener(new InternalClickListener(null));
   }
 
   @Override
@@ -202,58 +200,10 @@ public class ConversationUpdateItem extends LinearLayout
     Util.runOnMain(() -> bind(messageRecord, locale));
   }
 
-  @Override
-  public void setOnClickListener(View.OnClickListener l) {
-    super.setOnClickListener(new InternalClickListener(l));
-  }
-
   @Override
   public void unbind() {
     if (sender != null) {
       sender.removeListener(this);
     }
   }
-
-  private class InternalClickListener implements View.OnClickListener {
-
-    @Nullable private final View.OnClickListener parent;
-
-    InternalClickListener(@Nullable View.OnClickListener parent) {
-      this.parent = parent;
-    }
-
-    @Override
-    public void onClick(View v) {
-      if ((!messageRecord.isIdentityUpdate()  &&
-           !messageRecord.isIdentityDefault() &&
-           !messageRecord.isIdentityVerified()) ||
-          !batchSelected.isEmpty())
-      {
-        if (parent != null) parent.onClick(v);
-        return;
-      }
-
-      final Recipient sender = ConversationUpdateItem.this.sender;
-
-      IdentityUtil.getRemoteIdentityKey(getContext(), sender).addListener(new ListenableFuture.Listener<Optional<IdentityRecord>>() {
-        @Override
-        public void onSuccess(Optional<IdentityRecord> result) {
-          if (result.isPresent()) {
-            Intent intent = new Intent(getContext(), VerifyIdentityActivity.class);
-            intent.putExtra(VerifyIdentityActivity.ADDRESS_EXTRA, sender.getAddress());
-            intent.putExtra(VerifyIdentityActivity.IDENTITY_EXTRA, new IdentityKeyParcelable(result.get().getIdentityKey()));
-            intent.putExtra(VerifyIdentityActivity.VERIFIED_EXTRA, result.get().getVerifiedStatus() == IdentityDatabase.VerifiedStatus.VERIFIED);
-
-            getContext().startActivity(intent);
-          }
-        }
-
-        @Override
-        public void onFailure(ExecutionException e) {
-          Log.w(TAG, e);
-        }
-      });
-    }
-  }
-
 }

src/org/thoughtcrime/securesms/CreateProfileActivity.java

@@ -22,6 +22,8 @@ import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.util.Log;
 import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewAnimationUtils;
@@ -32,7 +34,6 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
-import com.dd.CircularProgressButton;
 import com.soundcloud.android.crop.Crop;
 
 import org.thoughtcrime.securesms.components.InputAwareLayout;
@@ -92,17 +93,17 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
 
   private InputAwareLayout       container;
   private ImageView              avatar;
-  private CircularProgressButton finishButton;
   private EditText               name;
-  private EmojiToggle            emojiToggle;
   private EmojiDrawer            emojiDrawer;
   private TextInputEditText statusView;
   private View                   reveal;
+  private MenuItem               finishMenuItem;
 
   private Intent nextIntent;
   private byte[] avatarBytes;
   private File   captureFile;
 
+
   @Override
   public void onCreate(Bundle bundle) {
     super.onCreate(bundle);
@@ -115,6 +116,7 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
     getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
     getSupportActionBar().setTitle(R.string.CreateProfileActivity_your_profile_info);
     getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_close_white_24dp);
 
     initializeResources();
     initializeEmojiInput();
@@ -125,6 +127,14 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
     ApplicationContext.getInstance(this).injectDependencies(this);
   }
 
+  @Override
+  public boolean onPrepareOptionsMenu(Menu menu) {
+    MenuInflater inflater = this.getMenuInflater();
+    inflater.inflate(R.menu.preferences_create_profile_menu, menu);
+    finishMenuItem = menu.findItem(R.id.menu_create_profile);
+    return true;
+  }
+
   @Override
   public void onResume() {
     super.onResume();
@@ -139,6 +149,9 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
       case android.R.id.home:
         onBackPressed();
         return true;
+      case R.id.menu_create_profile:
+        handleUpload();
+        break;
     }
 
     return false;
@@ -226,11 +239,9 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
     TextView informationLabel = ViewUtil.findById(this, R.id.information_label);
 
     this.avatar       = ViewUtil.findById(this, R.id.avatar);
-    this.name         = ViewUtil.findById(this, R.id.name);
-    this.emojiToggle  = ViewUtil.findById(this, R.id.emoji_toggle);
+    this.name         = ViewUtil.findById(this, R.id.name_text);
     this.emojiDrawer  = ViewUtil.findById(this, R.id.emoji_drawer);
     this.container    = ViewUtil.findById(this, R.id.container);
-    this.finishButton = ViewUtil.findById(this, R.id.finish_button);
     this.reveal       = ViewUtil.findById(this, R.id.reveal);
     this.statusView = ViewUtil.findById(this, R.id.status_text);
     this.nextIntent   = getIntent().getParcelableExtra(NEXT_INTENT);
@@ -250,20 +261,15 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
       public void onTextChanged(CharSequence s, int start, int before, int count) {}
       @Override
       public void afterTextChanged(Editable s) {
-        if (s.toString().getBytes().length > ProfileCipher.NAME_PADDED_LENGTH) {
-          name.setError(getString(R.string.CreateProfileActivity_too_long));
-          finishButton.setEnabled(false);
-        } else if (name.getError() != null || !finishButton.isEnabled()) {
-          name.setError(null);
-          finishButton.setEnabled(true);
-        }
-      }
-    });
-
-    this.finishButton.setOnClickListener(view -> {
-      this.finishButton.setIndeterminateProgressMode(true);
-      this.finishButton.setProgress(50);
-      handleUpload();
+        if(finishMenuItem != null){
+          if (s.toString().getBytes().length > ProfileCipher.NAME_PADDED_LENGTH) {
+            name.setError(getString(R.string.CreateProfileActivity_too_long));
+            finishMenuItem.setEnabled(false);
+          } else if (name.getError() != null || !finishMenuItem.isEnabled()) {
+            name.setError(null);
+            finishMenuItem.setEnabled(true);
+          }
+      }}
     });
 
     passwordAccountSettings.setOnClickListener(view -> {
@@ -348,15 +354,6 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
   }
 
   private void initializeEmojiInput() {
-    this.emojiToggle.attach(emojiDrawer);
-
-    this.emojiToggle.setOnClickListener(v -> {
-      if (container.getCurrentInput() == emojiDrawer) {
-        container.showSoftkey(name);
-      } else {
-        container.show(name, emojiDrawer);
-      }
-    });
 
     this.emojiDrawer.setEmojiEventListener(new EmojiDrawer.EmojiEventListener() {
       @Override
@@ -374,7 +371,6 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
       }
     });
 
-    this.container.addOnKeyboardShownListener(() -> emojiToggle.setToEmoji());
     this.name.setOnClickListener(v -> container.showSoftkey(name));
   }
 
@@ -494,26 +490,17 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
   }
 
   private void handleFinishedLegacy() {
-    finishButton.setProgress(0);
     if (nextIntent != null) startActivity(nextIntent);
     finish();
   }
 
   @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
   private void handleFinishedLollipop() {
-    int[] finishButtonLocation = new int[2];
     int[] revealLocation       = new int[2];
 
-    finishButton.getLocationInWindow(finishButtonLocation);
     reveal.getLocationInWindow(revealLocation);
 
-    int finishX = finishButtonLocation[0] - revealLocation[0];
-    int finishY = finishButtonLocation[1] - revealLocation[1];
-
-    finishX += finishButton.getWidth() / 2;
-    finishY += finishButton.getHeight() / 2;
-
-    Animator animation = ViewAnimationUtils.createCircularReveal(reveal, finishX, finishY, 0f, (float) Math.max(reveal.getWidth(), reveal.getHeight()));
+    Animator animation = ViewAnimationUtils.createCircularReveal(reveal, reveal.getWidth(), 0, 0f, (float) Math.max(reveal.getWidth(), reveal.getHeight()));
     animation.setDuration(500);
     animation.addListener(new Animator.AnimatorListener() {
       @Override
@@ -521,7 +508,6 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
 
       @Override
       public void onAnimationEnd(Animator animation) {
-        finishButton.setProgress(0);
         if (nextIntent != null)  startActivity(nextIntent);
         finish();
       }

src/org/thoughtcrime/securesms/GroupCreateActivity.java

@@ -25,10 +25,12 @@ import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.util.SparseBooleanArray;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.WindowManager;
 import android.widget.EditText;
 import android.widget.ImageView;
 import android.widget.ListView;
@@ -38,6 +40,7 @@ import android.widget.Toast;
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
 import com.bumptech.glide.request.target.SimpleTarget;
 import com.bumptech.glide.request.transition.Transition;
+import com.dd.CircularProgressButton;
 import com.soundcloud.android.crop.Crop;
 
 import org.thoughtcrime.securesms.connect.ApplicationDcContext;
@@ -46,15 +49,11 @@ import org.thoughtcrime.securesms.contacts.ContactsCursorLoader.DisplayMode;
 import org.thoughtcrime.securesms.contacts.avatars.ContactColors;
 import org.thoughtcrime.securesms.contacts.avatars.ResourceContactPhoto;
 import org.thoughtcrime.securesms.database.Address;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.database.GroupDatabase;
-import org.thoughtcrime.securesms.database.GroupDatabase.GroupRecord;
-import org.thoughtcrime.securesms.database.ThreadDatabase;
 import org.thoughtcrime.securesms.mms.GlideApp;
 import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.util.BitmapUtil;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.DynamicTheme;
+import org.thoughtcrime.securesms.util.FileUtils;
 import org.thoughtcrime.securesms.util.SelectedRecipientsAdapter;
 import org.thoughtcrime.securesms.util.SelectedRecipientsAdapter.OnRecipientDeletedListener;
 import org.thoughtcrime.securesms.util.ViewUtil;
@@ -62,12 +61,14 @@ import org.thoughtcrime.securesms.util.task.ProgressDialogAsyncTask;
 import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.io.File;
-import java.util.Collection;
-import java.util.HashSet;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
 
+import static com.b44t.messenger.DcContact.DC_CONTACT_ID_SELF;
+
 /**
  * Activity to create and update groups
  *
@@ -97,8 +98,8 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
   private ImageView    avatar;
   private TextView     creatingText;
   private Bitmap       avatarBmp;
-
-  @NonNull private Optional<GroupData> groupToUpdate = Optional.absent();
+  private CircularProgressButton verifyButton;
+  private Integer editGroupChatId = null;
 
   @Override
   protected void onPreCreate() {
@@ -114,8 +115,8 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     createVerified = getIntent().getBooleanExtra(GROUP_CREATE_VERIFIED_EXTRA, false);
     getSupportActionBar().setDisplayHomeAsUpEnabled(true);
     getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_close_white_24dp);
-    initializeResources();
     initializeExistingGroup();
+    initializeResources();
   }
 
   @Override
@@ -132,7 +133,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     groupName.setEnabled(true);
 
     String title;
-    if(groupToUpdate.isPresent()) {
+    if(isEdit()) {
       title = getString(R.string.GroupCreateActivity_actionbar_edit_title);
     }
     else if(createVerified) {
@@ -148,10 +149,6 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     new AddMembersTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, recipients);
   }
 
-  private void addSelectedContacts(@NonNull Collection<Recipient> recipients) {
-    addSelectedContacts(recipients.toArray(new Recipient[recipients.size()]));
-  }
-
   private static class AddMembersTask extends AsyncTask<Recipient,Void,List<AddMembersTask.Result>> {
     static class Result {
       Optional<Recipient> recipient;
@@ -182,8 +179,6 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     @Override
     protected void onPostExecute(List<Result> results) {
       if (activity.isFinishing()) return;
-      ApplicationDcContext dcContext = DcHelper.getContext(activity);
-
       for (Result result : results) {
         Recipient recipient = result.recipient.get();
         Address address = recipient.getAddress();
@@ -200,20 +195,44 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     avatar       = ViewUtil.findById(this, R.id.avatar);
     groupName    = ViewUtil.findById(this, R.id.group_name);
     creatingText = ViewUtil.findById(this, R.id.creating_group_text);
+    verifyButton = ViewUtil.findById(this, R.id.verify_button);
     SelectedRecipientsAdapter adapter = new SelectedRecipientsAdapter(this);
     adapter.setOnRecipientDeletedListener(this);
     lv.setAdapter(adapter);
 
     findViewById(R.id.add_member_button).setOnClickListener(new AddRecipientButtonListener());
-    avatar.setImageDrawable(new ResourceContactPhoto(R.drawable.ic_group_white_24dp).asDrawable(this, ContactColors.UNKNOWN_COLOR.toConversationColor(this)));
+    if (createVerified) {
+      verifyButton.setOnClickListener(new ShowQrButtonListener());
+      verifyButton.setVisibility(View.VISIBLE);
+    }
+    initializeAvatarView();
+  }
+
+  private void initializeAvatarView() {
+    boolean imageLoaded = false;
+    if (editGroupChatId != null) {
+      String avatarPath = dcContext.getChat(editGroupChatId).getProfileImage();
+      File avatarFile = new File(avatarPath);
+      if (avatarFile.exists()) {
+        imageLoaded = true;
+        GlideApp.with(this)
+                .load(avatarFile)
+                .circleCrop()
+                .into(avatar);
+      }
+    }
+    if (!imageLoaded) {
+      avatar.setImageDrawable(new ResourceContactPhoto(R.drawable.ic_group_white_24dp).asDrawable(this, ContactColors.UNKNOWN_COLOR.toConversationColor(this)));
+    }
     avatar.setOnClickListener(view -> Crop.pickImage(GroupCreateActivity.this));
   }
 
   private void initializeExistingGroup() {
     final Address groupAddress = getIntent().getParcelableExtra(GROUP_ADDRESS_EXTRA);
-
     if (groupAddress != null) {
-      new FillExistingGroupInfoAsyncTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, groupAddress.toGroupString());
+      editGroupChatId = groupAddress.getDcChatId();
+      getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
+      new FillExistingGroupInfoAsyncTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, editGroupChatId);
     }
   }
 
@@ -235,7 +254,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
         finish();
         return true;
       case R.id.menu_create_group:
-        if (groupToUpdate.isPresent()) handleGroupUpdate();
+        if (isEdit()) handleGroupUpdate();
         else                           handleGroupCreate();
         return true;
     }
@@ -251,49 +270,102 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
 
   private void handleGroupCreate() {
     String groupName = getGroupName();
-    if(groupName==null) {
-      Toast.makeText(this, getString(R.string.GroupCreateActivity_please_enter_group_name), Toast.LENGTH_LONG).show();
-      return;
-    }
+    if (showGroupNameEmptyToast(groupName)) return;
 
     int chatId = dcContext.createGroupChat(createVerified, groupName);
 
-    Set<Recipient> members = getAdapter().getRecipients();
-    for(Recipient member : members) {
-      Address address = member.getAddress();
+    Set<Recipient> recipients = getAdapter().getRecipients();
+    for(Recipient recipient : recipients) {
+      Address address = recipient.getAddress();
       if(address.isDcContact()) {
         int contactId = address.getDcContactId();
         dcContext.addContactToChat(chatId, contactId);
       }
     }
-
-    // TODO: handle avatarBmp
+    setGroupAvatar(chatId);
 
     Intent intent = new Intent(this, ConversationActivity.class);
     intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, (long)chatId);
-    intent.putExtra(ConversationActivity.DISTRIBUTION_TYPE_EXTRA, ThreadDatabase.DistributionTypes.DEFAULT);
-    intent.putExtra(ConversationActivity.ADDRESS_EXTRA, Address.fromChat(chatId));
     startActivity(intent);
     finish();
   }
 
-  private void handleGroupUpdate() {
-    int chatId = 0;// TODO: get correct id from groupToUpdate.get().id; or so
-
-    String groupName = getGroupName();
-    if(groupName!=null) {
-      dcContext.setChatName(chatId, groupName);
+    private void setGroupAvatar(int chatId) {
+      if(avatarBmp == null) {
+        return;
+      }
+      String avatarPath = dcContext.getChat(chatId).getProfileImage();
+      if (avatarPath != null && !avatarPath.isEmpty()) {
+        File oldImage = new File(avatarPath);
+        if (oldImage.exists()) {
+          //noinspection ResultOfMethodCallIgnored
+          oldImage.delete();
+        }
+      }
+      avatarPath = FileUtils.getFilePathForChatAvatar(this, chatId, System.currentTimeMillis());
+      FileOutputStream outStream;
+      try {
+        outStream = new FileOutputStream(avatarPath);
+        avatarBmp.compress(Bitmap.CompressFormat.JPEG, 85, outStream);
+        dcContext.setChatProfileImage(chatId, avatarPath);
+      } catch (FileNotFoundException e) {
+        e.printStackTrace();
+      }
     }
 
-    // TODO: compare dcContext.getChatContacts(chatId); against getAdapter().getRecipients();
-    // and add/remove contacts
+  private boolean showGroupNameEmptyToast(String groupName) {
+    if(groupName == null) {
+      Toast.makeText(this, getString(R.string.GroupCreateActivity_please_enter_group_name), Toast.LENGTH_LONG).show();
+      return true;
+    }
+    return false;
+  }
 
+  private void handleGroupUpdate() {
+    if(editGroupChatId == null) {
+      return;
+    }
+    String groupName = getGroupName();
+    if (showGroupNameEmptyToast(groupName)) {
+      return;
+    }
+    dcContext.setChatName(editGroupChatId, groupName);
+    updateGroupParticipants();
 
-    // TODO: handle avatarBmp
+    setGroupAvatar(editGroupChatId);
 
+    Intent intent = new Intent();
+    Recipient recipient = dcContext.getRecipient(ApplicationDcContext.RECIPIENT_TYPE_CHAT, editGroupChatId);
+    intent.putExtra(GroupCreateActivity.GROUP_ADDRESS_EXTRA, recipient.getAddress());
+    setResult(RESULT_OK, intent);
     finish();
   }
 
+  private void updateGroupParticipants() {
+    SparseBooleanArray currentChatContactIds = new SparseBooleanArray();
+    for(int chatContactId : dcContext.getChatContacts(editGroupChatId)) {
+      currentChatContactIds.put(chatContactId, chatContactId == DC_CONTACT_ID_SELF);
+    }
+
+    Set<Recipient> recipients = getAdapter().getRecipients();
+    for(Recipient recipient : recipients) {
+      Address address = recipient.getAddress();
+      if(address.isDcContact()) {
+        int contactId = address.getDcContactId();
+        if(currentChatContactIds.indexOfKey(contactId) < 0) {
+          dcContext.addContactToChat(editGroupChatId, contactId);
+        } else {
+          currentChatContactIds.put(contactId, true);
+        }
+      }
+    }
+    for(int index = 0; index < currentChatContactIds.size(); index++) {
+      if (!currentChatContactIds.valueAt(index)) {
+        dcContext.removeContactFromChat(editGroupChatId, currentChatContactIds.keyAt(index));
+      }
+    }
+  }
+
   private SelectedRecipientsAdapter getAdapter() {
     return (SelectedRecipientsAdapter)lv.getAdapter();
   }
@@ -333,28 +405,33 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
         new Crop(data.getData()).output(outputFile).asSquare().start(this);
         break;
       case Crop.REQUEST_CROP:
-        GlideApp.with(this)
-                .asBitmap()
-                .load(Crop.getOutput(data))
-                .skipMemoryCache(true)
-                .diskCacheStrategy(DiskCacheStrategy.NONE)
-                .centerCrop()
-                .override(AVATAR_SIZE, AVATAR_SIZE)
-                .into(new SimpleTarget<Bitmap>() {
-                  @Override
-                  public void onResourceReady(@NonNull Bitmap resource, Transition<? super Bitmap> transition) {
-                    setAvatar(Crop.getOutput(data), resource);
-                  }
-                });
+        setAvatarView(data);
     }
   }
 
+  private void setAvatarView(Intent data) {
+    final Uri output = Crop.getOutput(data);
+    GlideApp.with(this)
+            .asBitmap()
+            .load(output)
+            .skipMemoryCache(true)
+            .diskCacheStrategy(DiskCacheStrategy.NONE)
+            .centerCrop()
+            .override(AVATAR_SIZE, AVATAR_SIZE)
+            .into(new SimpleTarget<Bitmap>() {
+              @Override
+              public void onResourceReady(@NonNull Bitmap resource, Transition<? super Bitmap> transition) {
+                setAvatar(output, resource);
+              }
+            });
+  }
+
   private class AddRecipientButtonListener implements View.OnClickListener {
     @Override
     public void onClick(View v) {
       Intent intent = new Intent(GroupCreateActivity.this, ContactMultiSelectionActivity.class);
       intent.putExtra(ContactSelectionListFragment.SELECT_VERIFIED_EXTRA, createVerified);
-      if (groupToUpdate.isPresent()) {
+      if (isEdit()) {
         intent.putExtra(ContactSelectionListFragment.DISPLAY_MODE, DisplayMode.FLAG_PUSH);
       } else {
         intent.putExtra(ContactSelectionListFragment.DISPLAY_MODE, DisplayMode.FLAG_PUSH | DisplayMode.FLAG_SMS);
@@ -363,10 +440,20 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     }
   }
 
-  private static class FillExistingGroupInfoAsyncTask extends ProgressDialogAsyncTask<String,Void,Optional<GroupData>> {
-    private GroupCreateActivity activity;
+  private class ShowQrButtonListener implements View.OnClickListener {
 
-    public FillExistingGroupInfoAsyncTask(GroupCreateActivity activity) {
+    @Override
+    public void onClick(View view) {
+        Intent qrIntent = new Intent(GroupCreateActivity.this, QrShowActivity.class);
+        startActivity(qrIntent);
+    }
+  }
+
+  private static class FillExistingGroupInfoAsyncTask extends ProgressDialogAsyncTask<Integer,Void,Recipient> {
+
+    GroupCreateActivity activity;
+
+    FillExistingGroupInfoAsyncTask(GroupCreateActivity activity) {
       super(activity,
             R.string.GroupCreateActivity_loading_group_details,
             R.string.please_wait);
@@ -374,40 +461,37 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     }
 
     @Override
-    protected Optional<GroupData> doInBackground(String... groupIds) {
-      final GroupDatabase         db               = DatabaseFactory.getGroupDatabase(activity);
-      final List<Recipient>       recipients       = db.getGroupMembers(groupIds[0], false);
-      final Optional<GroupRecord> group            = db.getGroup(groupIds[0]);
-      final Set<Recipient>        existingContacts = new HashSet<>(recipients.size());
-      existingContacts.addAll(recipients);
-
-      if (group.isPresent()) {
-        return Optional.of(new GroupData(groupIds[0],
-                                         existingContacts,
-                                         BitmapUtil.fromByteArray(group.get().getAvatar()),
-                                         group.get().getAvatar(),
-                                         group.get().getTitle()));
-      } else {
-        return Optional.absent();
-      }
+    protected Recipient doInBackground(Integer... recipientIds) {
+      Integer recipientsId = recipientIds[0];
+      return activity.dcContext.getRecipient(ApplicationDcContext.RECIPIENT_TYPE_CHAT, recipientsId);
     }
 
     @Override
-    protected void onPostExecute(Optional<GroupData> group) {
-      super.onPostExecute(group);
+    protected void onPostExecute(Recipient recipient) {
+      super.onPostExecute(recipient);
+      activity.fllExistingGroup(recipient);
+    }
+  }
 
-      if (group.isPresent() && !activity.isFinishing()) {
-        activity.groupToUpdate = group;
-
-        activity.groupName.setText(group.get().name);
-        if (group.get().avatarBmp != null) {
-          activity.setAvatar(group.get().avatarBytes, group.get().avatarBmp);
+  private void fllExistingGroup(Recipient recipient) {
+    List<Recipient> participants = recipient.getParticipants();
+    if (!isFinishing()) {
+      Recipient ownAddress = null;
+      for(Recipient participant : participants) {
+        if(participant.getAddress().getDcContactId() == DC_CONTACT_ID_SELF) {
+          ownAddress = participant;
+        } else {
+          addSelectedContacts(participant);
         }
-        SelectedRecipientsAdapter adapter = new SelectedRecipientsAdapter(activity, group.get().recipients);
-        adapter.setOnRecipientDeletedListener(activity);
-        activity.lv.setAdapter(adapter);
-        activity.updateViewState();
       }
+      if (ownAddress != null) {
+        participants.remove(ownAddress);
+      }
+      groupName.setText(recipient.getName());
+      SelectedRecipientsAdapter adapter = new SelectedRecipientsAdapter(this, participants);
+      adapter.setOnRecipientDeletedListener(this);
+      lv.setAdapter(adapter);
+      updateViewState();
     }
   }
 
@@ -421,19 +505,8 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
             .into(avatar);
   }
 
-  private static class GroupData {
-    String         id;
-    Set<Recipient> recipients;
-    Bitmap         avatarBmp;
-    byte[]         avatarBytes;
-    String         name;
-
-    public GroupData(String id, Set<Recipient> recipients, Bitmap avatarBmp, byte[] avatarBytes, String name) {
-      this.id          = id;
-      this.recipients  = recipients;
-      this.avatarBmp   = avatarBmp;
-      this.avatarBytes = avatarBytes;
-      this.name        = name;
-    }
+  private boolean isEdit() {
+    return editGroupChatId != null;
   }
+
 }

src/org/thoughtcrime/securesms/GroupMembersDialog.java

@@ -1,136 +0,0 @@
-package org.thoughtcrime.securesms;
-
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.os.AsyncTask;
-import android.provider.ContactsContract;
-import android.support.v7.app.AlertDialog;
-import android.text.TextUtils;
-
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.util.Util;
-
-import java.util.LinkedList;
-import java.util.List;
-
-public class GroupMembersDialog extends AsyncTask<Void, Void, List<Recipient>> {
-
-  private static final String TAG = GroupMembersDialog.class.getSimpleName();
-
-  private final Recipient  recipient;
-  private final Context    context;
-
-  public GroupMembersDialog(Context context, Recipient recipient) {
-    this.recipient = recipient;
-    this.context   = context;
-  }
-
-  @Override
-  public void onPreExecute() {}
-
-  @Override
-  protected List<Recipient> doInBackground(Void... params) {
-    return DatabaseFactory.getGroupDatabase(context).getGroupMembers(recipient.getAddress().toGroupString(), true);
-  }
-
-  @Override
-  public void onPostExecute(List<Recipient> members) {
-    GroupMembers groupMembers = new GroupMembers(members);
-    AlertDialog.Builder builder = new AlertDialog.Builder(context);
-    builder.setTitle(R.string.ConversationActivity_group_members);
-    builder.setIconAttribute(R.attr.group_members_dialog_icon);
-    builder.setCancelable(true);
-    builder.setItems(groupMembers.getRecipientStrings(), new GroupMembersOnClickListener(context, groupMembers));
-    builder.setPositiveButton(android.R.string.ok, null);
-    builder.show();
-  }
-
-  public void display() {
-    executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-  }
-
-  private static class GroupMembersOnClickListener implements DialogInterface.OnClickListener {
-    private final GroupMembers groupMembers;
-    private final Context      context;
-
-    public GroupMembersOnClickListener(Context context, GroupMembers members) {
-      this.context      = context;
-      this.groupMembers = members;
-    }
-
-    @Override
-    public void onClick(DialogInterface dialogInterface, int item) {
-      Recipient recipient = groupMembers.get(item);
-
-      if (recipient.getContactUri() != null) {
-        Intent intent = new Intent(context, RecipientPreferenceActivity.class);
-        intent.putExtra(RecipientPreferenceActivity.ADDRESS_EXTRA, recipient.getAddress());
-
-        context.startActivity(intent);
-      } else {
-        final Intent intent = new Intent(Intent.ACTION_INSERT_OR_EDIT);
-        if (recipient.getAddress().isEmail()) {
-          intent.putExtra(ContactsContract.Intents.Insert.EMAIL, recipient.getAddress().toEmailString());
-        } else {
-          intent.putExtra(ContactsContract.Intents.Insert.PHONE, recipient.getAddress().toPhoneString());
-        }
-        intent.setType(ContactsContract.Contacts.CONTENT_ITEM_TYPE);
-        context.startActivity(intent);
-      }
-    }
-  }
-
-  /**
-   * Wraps a List of Recipient (just like @class Recipients),
-   * but with focus on the order of the Recipients.
-   * So that the order of the RecipientStrings[] matches
-   * the internal order.
-   *
-   * @author Christoph Haefner
-   */
-  private class GroupMembers {
-    private final String TAG = GroupMembers.class.getSimpleName();
-
-    private final LinkedList<Recipient> members = new LinkedList<>();
-
-    public GroupMembers(List<Recipient> recipients) {
-      for (Recipient recipient : recipients) {
-        if (isLocalNumber(recipient)) {
-          members.push(recipient);
-        } else {
-          members.add(recipient);
-        }
-      }
-    }
-
-    public String[] getRecipientStrings() {
-      List<String> recipientStrings = new LinkedList<>();
-
-      for (Recipient recipient : members) {
-        if (isLocalNumber(recipient)) {
-          recipientStrings.add(context.getString(R.string.GroupMembersDialog_me));
-        } else {
-          String name = recipient.toShortString();
-
-          if (recipient.getName() == null && !TextUtils.isEmpty(recipient.getProfileName())) {
-            name += " ~" + recipient.getProfileName();
-          }
-
-          recipientStrings.add(name);
-        }
-      }
-
-      return recipientStrings.toArray(new String[members.size()]);
-    }
-
-    public Recipient get(int index) {
-      return members.get(index);
-    }
-
-    private boolean isLocalNumber(Recipient recipient) {
-      return Util.isOwnNumber(context, recipient.getAddress());
-    }
-  }
-}

src/org/thoughtcrime/securesms/MediaGalleryAdapter.java

@@ -23,10 +23,10 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
+import com.b44t.messenger.DcMsg;
 import com.codewaves.stickyheadergrid.StickyHeaderGridAdapter;
 
 import org.thoughtcrime.securesms.components.ThumbnailView;
-import org.thoughtcrime.securesms.database.MediaDatabase.MediaRecord;
 import org.thoughtcrime.securesms.database.loaders.BucketedThreadMediaLoader.BucketedThreadMedia;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.mms.Slide;
@@ -46,7 +46,7 @@ class MediaGalleryAdapter extends StickyHeaderGridAdapter {
   private final GlideRequests       glideRequests;
   private final Locale              locale;
   private final ItemClickListener   itemClickListener;
-  private final Set<MediaRecord>    selected;
+  private final Set<DcMsg>    selected;
 
   private  BucketedThreadMedia media;
 
@@ -105,10 +105,10 @@ class MediaGalleryAdapter extends StickyHeaderGridAdapter {
 
   @Override
   public void onBindItemViewHolder(ItemViewHolder viewHolder, int section, int offset) {
-    MediaRecord   mediaRecord       = media.get(section, offset);
+    DcMsg         mediaRecord       = media.get(section, offset);
     ThumbnailView thumbnailView     = ((ViewHolder)viewHolder).imageView;
     View          selectedIndicator = ((ViewHolder)viewHolder).selectedIndicator;
-    Slide         slide             = MediaUtil.getSlideForAttachment(context, mediaRecord.getAttachment());
+    Slide         slide             = MediaUtil.getSlideForMsg(context, mediaRecord);
 
     if (slide != null) {
       thumbnailView.setImageResource(glideRequests, slide, false, false);
@@ -133,7 +133,7 @@ class MediaGalleryAdapter extends StickyHeaderGridAdapter {
     return media.getSectionItemCount(section);
   }
 
-  public void toggleSelection(@NonNull MediaRecord mediaRecord) {
+  public void toggleSelection(@NonNull DcMsg mediaRecord) {
     if (!selected.remove(mediaRecord)) {
       selected.add(mediaRecord);
     }
@@ -145,7 +145,7 @@ class MediaGalleryAdapter extends StickyHeaderGridAdapter {
   }
 
   @NonNull
-  public Collection<MediaRecord> getSelectedMedia() {
+  public Collection<DcMsg> getSelectedMedia() {
     return new HashSet<>(selected);
   }
 
@@ -155,7 +155,7 @@ class MediaGalleryAdapter extends StickyHeaderGridAdapter {
   }
 
   interface ItemClickListener {
-    void onMediaClicked(@NonNull MediaRecord mediaRecord);
-    void onMediaLongClicked(MediaRecord mediaRecord);
+    void onMediaClicked(@NonNull DcMsg mediaRecord);
+    void onMediaLongClicked(DcMsg mediaRecord);
   }
 }

src/org/thoughtcrime/securesms/MediaOverviewActivity.java

@@ -47,17 +47,18 @@ import android.view.ViewGroup;
 import android.view.Window;
 import android.widget.TextView;
 
+import com.b44t.messenger.DcContext;
+import com.b44t.messenger.DcMsg;
 import com.codewaves.stickyheadergrid.StickyHeaderGridLayoutManager;
 
+import org.thoughtcrime.securesms.connect.DcHelper;
 import org.thoughtcrime.securesms.database.Address;
 import org.thoughtcrime.securesms.database.CursorRecyclerViewAdapter;
-import org.thoughtcrime.securesms.database.MediaDatabase;
 import org.thoughtcrime.securesms.database.loaders.BucketedThreadMediaLoader;
 import org.thoughtcrime.securesms.database.loaders.BucketedThreadMediaLoader.BucketedThreadMedia;
 import org.thoughtcrime.securesms.database.loaders.ThreadMediaLoader;
 import org.thoughtcrime.securesms.mms.GlideApp;
 import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.util.AttachmentUtil;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.DynamicNoActionBarTheme;
 import org.thoughtcrime.securesms.util.DynamicTheme;
@@ -257,7 +258,7 @@ public class MediaOverviewActivity extends PassphraseRequiredActionBarActivity
     }
 
     @Override
-    public void onMediaClicked(@NonNull MediaDatabase.MediaRecord mediaRecord) {
+    public void onMediaClicked(@NonNull DcMsg mediaRecord) {
       if (actionMode != null) {
         handleMediaMultiSelectClick(mediaRecord);
       } else {
@@ -265,7 +266,7 @@ public class MediaOverviewActivity extends PassphraseRequiredActionBarActivity
       }
     }
 
-    private void handleMediaMultiSelectClick(@NonNull MediaDatabase.MediaRecord mediaRecord) {
+    private void handleMediaMultiSelectClick(@NonNull DcMsg mediaRecord) {
       MediaGalleryAdapter adapter = getListAdapter();
 
       adapter.toggleSelection(mediaRecord);
@@ -277,8 +278,8 @@ public class MediaOverviewActivity extends PassphraseRequiredActionBarActivity
       }
     }
 
-    private void handleMediaPreviewClick(@NonNull MediaDatabase.MediaRecord mediaRecord) {
-      if (mediaRecord.getAttachment().getDataUri() == null) {
+    private void handleMediaPreviewClick(@NonNull DcMsg mediaRecord) {
+      if (mediaRecord.getFile() == null) {
         return;
       }
 
@@ -288,18 +289,15 @@ public class MediaOverviewActivity extends PassphraseRequiredActionBarActivity
       }
 
       Intent intent = new Intent(context, MediaPreviewActivity.class);
-      intent.putExtra(MediaPreviewActivity.DATE_EXTRA, mediaRecord.getDate());
-      intent.putExtra(MediaPreviewActivity.SIZE_EXTRA, mediaRecord.getAttachment().getSize());
+      intent.putExtra(MediaPreviewActivity.DC_MSG_ID, mediaRecord.getId());
       intent.putExtra(MediaPreviewActivity.ADDRESS_EXTRA, recipient.getAddress());
       intent.putExtra(MediaPreviewActivity.OUTGOING_EXTRA, mediaRecord.isOutgoing());
       intent.putExtra(MediaPreviewActivity.LEFT_IS_RECENT_EXTRA, true);
-
-      intent.setDataAndType(mediaRecord.getAttachment().getDataUri(), mediaRecord.getContentType());
       context.startActivity(intent);
     }
 
     @Override
-    public void onMediaLongClicked(MediaDatabase.MediaRecord mediaRecord) {
+    public void onMediaLongClicked(DcMsg mediaRecord) {
       if (actionMode == null) {
         ((MediaGalleryAdapter) recyclerView.getAdapter()).toggleSelection(mediaRecord);
         recyclerView.getAdapter().notifyDataSetChanged();
@@ -309,7 +307,7 @@ public class MediaOverviewActivity extends PassphraseRequiredActionBarActivity
     }
 
     @SuppressLint("StaticFieldLeak")
-    private void handleDeleteMedia(@NonNull Collection<MediaDatabase.MediaRecord> mediaRecords) {
+    private void handleDeleteMedia(@NonNull Collection<DcMsg> mediaRecords) {
       int recordCount       = mediaRecords.size();
       Resources res         = getContext().getResources();
       String confirmTitle   = res.getQuantityString(R.plurals.MediaOverviewActivity_Media_delete_confirm_title,
@@ -324,25 +322,26 @@ public class MediaOverviewActivity extends PassphraseRequiredActionBarActivity
       builder.setTitle(confirmTitle);
       builder.setMessage(confirmMessage);
       builder.setCancelable(true);
+      final DcContext dcContext = DcHelper.getContext(getContext());
 
       builder.setPositiveButton(R.string.delete, (dialogInterface, i) -> {
-        new ProgressDialogAsyncTask<MediaDatabase.MediaRecord, Void, Void>(getContext(),
+        new ProgressDialogAsyncTask<DcMsg, Void, Void>(getContext(),
                                                                            R.string.MediaOverviewActivity_Media_delete_progress_title,
                                                                            R.string.MediaOverviewActivity_Media_delete_progress_message)
         {
           @Override
-          protected Void doInBackground(MediaDatabase.MediaRecord... records) {
+          protected Void doInBackground(DcMsg... records) {
             if (records == null || records.length == 0) {
               return null;
             }
 
-            for (MediaDatabase.MediaRecord record : records) {
-              AttachmentUtil.deleteAttachment(getContext(), record.getAttachment());
+            for (DcMsg record : records) {
+              dcContext.deleteMsgs(new int[]{record.getId()});
             }
             return null;
           }
 
-        }.execute(mediaRecords.toArray(new MediaDatabase.MediaRecord[mediaRecords.size()]));
+        }.execute(mediaRecords.toArray(new DcMsg[mediaRecords.size()]));
       });
       builder.setNegativeButton(android.R.string.cancel, null);
       builder.show();

src/org/thoughtcrime/securesms/MediaPreviewActivity.java

@@ -20,9 +20,7 @@ import android.Manifest;
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.Intent;
-import android.database.Cursor;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Build.VERSION;
@@ -32,7 +30,6 @@ import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.Loader;
-import android.support.v4.util.Pair;
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.support.v7.app.AlertDialog;
@@ -48,21 +45,20 @@ import android.view.WindowManager;
 import android.widget.FrameLayout;
 import android.widget.Toast;
 
-import org.thoughtcrime.securesms.attachments.AttachmentId;
-import org.thoughtcrime.securesms.attachments.DatabaseAttachment;
+import com.b44t.messenger.DcContext;
+import com.b44t.messenger.DcMediaGalleryElement;
+import com.b44t.messenger.DcMsg;
+
 import org.thoughtcrime.securesms.components.MediaView;
 import org.thoughtcrime.securesms.components.viewpager.ExtendedOnPageChangedListener;
+import org.thoughtcrime.securesms.connect.DcHelper;
 import org.thoughtcrime.securesms.database.Address;
-import org.thoughtcrime.securesms.database.AttachmentDatabase;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.database.MediaDatabase.MediaRecord;
 import org.thoughtcrime.securesms.database.loaders.PagingMediaLoader;
 import org.thoughtcrime.securesms.mms.GlideApp;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.permissions.Permissions;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientModifiedListener;
-import org.thoughtcrime.securesms.util.AttachmentUtil;
 import org.thoughtcrime.securesms.util.DateUtils;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.SaveAttachmentTask;
@@ -75,22 +71,29 @@ import java.util.WeakHashMap;
 /**
  * Activity for displaying media attachments in-app
  */
-public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity implements RecipientModifiedListener, LoaderManager.LoaderCallbacks<Pair<Cursor, Integer>> {
+public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity
+    implements RecipientModifiedListener, LoaderManager.LoaderCallbacks<DcMediaGalleryElement> {
 
   private final static String TAG = MediaPreviewActivity.class.getSimpleName();
 
   public static final String ADDRESS_EXTRA        = "address";
-  public static final String DATE_EXTRA           = "date";
-  public static final String SIZE_EXTRA           = "size";
   public static final String OUTGOING_EXTRA       = "outgoing";
   public static final String LEFT_IS_RECENT_EXTRA = "left_is_recent";
+  public static final String DC_MSG_ID            = "dc_msg_id";
+
+  /** USE ONLY IF YOU HAVE NO MESSAGE ID! */
+  public static final String DATE_EXTRA = "date";
+
+  /** USE ONLY IF YOU HAVE NO MESSAGE ID! */
+  public static final String SIZE_EXTRA = "size";
 
   private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
 
+  @Nullable
+  private DcMsg     messageRecord;
+  private DcContext dcContext;
+  private MediaItem initialMedia;
   private ViewPager mediaPager;
-  private Uri       initialMediaUri;
-  private String    initialMediaType;
-  private long      initialMediaSize;
   private Recipient conversationRecipient;
   private boolean   leftIsRecent;
 
@@ -181,32 +184,51 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
   private void initializeResources() {
     Address address = getIntent().getParcelableExtra(ADDRESS_EXTRA);
 
-    initialMediaUri  = getIntent().getData();
-    initialMediaType = getIntent().getType();
-    initialMediaSize = getIntent().getLongExtra(SIZE_EXTRA, 0);
+    final Context context = getApplicationContext();
+    this.dcContext = DcHelper.getContext(context);
+    final int msgId = getIntent().getIntExtra(DC_MSG_ID, DcMsg.DC_MSG_NO_ID);
+
+    if(msgId == DcMsg.DC_MSG_NO_ID) {
+      messageRecord = null;
+      long date = getIntent().getLongExtra(DATE_EXTRA, 0);
+      long size = getIntent().getLongExtra(SIZE_EXTRA, 0);
+      initialMedia = new MediaItem(null, getIntent().getData(), getIntent().getType(),
+          DcMsg.DC_MSG_NO_ID, date, size, false);
+
+      if (address != null) {
+        conversationRecipient = Recipient.from(context, address, false);
+      } else {
+        conversationRecipient = null;
+      }
+    } else {
+      messageRecord = dcContext.getMsg(msgId);
+      initialMedia = new MediaItem(Recipient.from(context, msgId), Uri.fromFile(messageRecord.getFileAsFile()),
+          messageRecord.getFilemime(), messageRecord.getId(), messageRecord.getDateReceived(),
+          messageRecord.getFilebytes(), messageRecord.isOutgoing());
+      conversationRecipient = Recipient.from(context, msgId);
+    }
     leftIsRecent     = getIntent().getBooleanExtra(LEFT_IS_RECENT_EXTRA, false);
     restartItem      = -1;
 
-    if (address != null) {
-      conversationRecipient = Recipient.from(this, address, true);
-    } else {
-      conversationRecipient = null;
-    }
   }
 
   private void initializeMedia() {
-    if (!isContentTypeSupported(initialMediaType)) {
+
+    // if you search for the place where the media are loaded, go to 'onCreateLoader'.
+
+    if (!isContentTypeSupported(initialMedia.type)) {
       Log.w(TAG, "Unsupported media type sent to MediaPreviewActivity, finishing.");
       Toast.makeText(getApplicationContext(), R.string.MediaPreviewActivity_unssuported_media_type, Toast.LENGTH_LONG).show();
       finish();
     }
 
-    Log.w(TAG, "Loading Part URI: " + initialMediaUri);
+    Log.w(TAG, "Loading Part URI: " + initialMedia);
 
-    if (conversationRecipient != null) {
+    if (messageRecord != null) {
       getSupportLoaderManager().restartLoader(0, null, this);
     } else {
-      mediaPager.setAdapter(new SingleItemPagerAdapter(this, GlideApp.with(this), getWindow(), initialMediaUri, initialMediaType, initialMediaSize));
+      mediaPager.setAdapter(new SingleItemPagerAdapter(this, GlideApp.with(this),
+          getWindow(), initialMedia.uri, initialMedia.type, initialMedia.size));
     }
   }
 
@@ -261,7 +283,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
   @SuppressLint("StaticFieldLeak")
   private void deleteMedia() {
     MediaItem mediaItem = getCurrentMediaItem();
-    if (mediaItem == null || mediaItem.attachment == null) {
+    if (mediaItem == null || mediaItem.msgId == DcMsg.DC_MSG_NO_ID) {
       return;
     }
 
@@ -275,11 +297,10 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
       new AsyncTask<Void, Void, Void>() {
         @Override
         protected Void doInBackground(Void... voids) {
-          if (mediaItem.attachment == null) {
+          if (mediaItem.msgId == DcMsg.DC_MSG_NO_ID) {
             return null;
           }
-          AttachmentUtil.deleteAttachment(MediaPreviewActivity.this.getApplicationContext(),
-                                          mediaItem.attachment);
+          dcContext.deleteMsgs(new int[]{mediaItem.msgId});
           return null;
         }
       }.execute();
@@ -340,25 +361,26 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
   }
 
   @Override
-  public Loader<Pair<Cursor, Integer>> onCreateLoader(int id, Bundle args) {
-    return new PagingMediaLoader(this, conversationRecipient, initialMediaUri, leftIsRecent);
+  public Loader<DcMediaGalleryElement> onCreateLoader(int id, Bundle args) {
+    return new PagingMediaLoader(this, messageRecord, false);
   }
 
   @Override
-  public void onLoadFinished(Loader<Pair<Cursor, Integer>> loader, @Nullable Pair<Cursor, Integer> data) {
+  public void onLoadFinished(Loader<DcMediaGalleryElement> loader, @Nullable DcMediaGalleryElement data) {
     if (data != null) {
       @SuppressWarnings("ConstantConditions")
-      CursorPagerAdapter adapter = new CursorPagerAdapter(this, GlideApp.with(this), getWindow(), data.first, data.second, leftIsRecent);
+      DcMediaPagerAdapter adapter = new DcMediaPagerAdapter(this, GlideApp.with(this),
+          getWindow(), data, leftIsRecent);
       mediaPager.setAdapter(adapter);
       adapter.setActive(true);
 
-      if (restartItem < 0) mediaPager.setCurrentItem(data.second);
+      if (restartItem < 0) mediaPager.setCurrentItem(data.getPosition());
       else                 mediaPager.setCurrentItem(restartItem);
     }
   }
 
   @Override
-  public void onLoaderReset(Loader<Pair<Cursor, Integer>> loader) {
+  public void onLoaderReset(Loader<DcMediaGalleryElement> loader) {
 
   }
 
@@ -450,7 +472,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
 
     @Override
     public MediaItem getMediaItemFor(int position) {
-      return new MediaItem(null, null, uri, mediaType, -1, true);
+      return new MediaItem(null, uri, mediaType, DcMsg.DC_MSG_NO_ID, -1, -1, true);
     }
 
     @Override
@@ -459,29 +481,29 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     }
   }
 
-  private static class CursorPagerAdapter extends PagerAdapter implements MediaItemAdapter {
+  private static class DcMediaPagerAdapter extends PagerAdapter implements MediaItemAdapter {
 
     private final WeakHashMap<Integer, MediaView> mediaViews = new WeakHashMap<>();
 
     private final Context       context;
     private final GlideRequests glideRequests;
     private final Window        window;
-    private final Cursor        cursor;
+    private final DcMediaGalleryElement gallery;
     private final boolean       leftIsRecent;
 
     private boolean active;
     private int     autoPlayPosition;
 
-    CursorPagerAdapter(@NonNull Context context, @NonNull GlideRequests glideRequests,
-                       @NonNull Window window, @NonNull Cursor cursor, int autoPlayPosition,
+    DcMediaPagerAdapter(@NonNull Context context, @NonNull GlideRequests glideRequests,
+                       @NonNull Window window, @NonNull DcMediaGalleryElement gallery,
                        boolean leftIsRecent)
     {
       this.context          = context.getApplicationContext();
       this.glideRequests    = glideRequests;
       this.window           = window;
-      this.cursor           = cursor;
-      this.autoPlayPosition = autoPlayPosition;
+      this.gallery          = gallery;
       this.leftIsRecent     = leftIsRecent;
+      this.autoPlayPosition = gallery.getPosition();
     }
 
     public void setActive(boolean active) {
@@ -492,7 +514,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     @Override
     public int getCount() {
       if (!active) return 0;
-      else         return cursor.getCount();
+      else         return gallery.getCount();
     }
 
     @Override
@@ -509,13 +531,14 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
 
       autoPlayPosition = -1;
 
-      cursor.moveToPosition(cursorPosition);
+      gallery.moveToPosition(cursorPosition);
 
-      MediaRecord mediaRecord = MediaRecord.from(context, cursor);
+      DcMsg msg = gallery.getMessage();
 
       try {
         //noinspection ConstantConditions
-        mediaView.set(glideRequests, window, mediaRecord.getAttachment().getDataUri(), mediaRecord.getAttachment().getContentType(), mediaRecord.getAttachment().getSize(), autoplay);
+        mediaView.set(glideRequests, window, Uri.fromFile(msg.getFileAsFile()),
+            msg.getFilemime(), msg.getFilebytes(), autoplay);
       } catch (IOException e) {
         Log.w(TAG, e);
       }
@@ -536,18 +559,18 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     }
 
     public MediaItem getMediaItemFor(int position) {
-      cursor.moveToPosition(getCursorPosition(position));
-      MediaRecord mediaRecord = MediaRecord.from(context, cursor);
-      Address     address     = mediaRecord.getAddress();
+      gallery.moveToPosition(getCursorPosition(position));
+      DcMsg msg               = gallery.getMessage();
 
-      if (mediaRecord.getAttachment().getDataUri() == null) throw new AssertionError();
+      if (msg.getFile() == null) throw new AssertionError();
 
-      return new MediaItem(address != null ? Recipient.from(context, address,true) : null,
-                           mediaRecord.getAttachment(),
-                           mediaRecord.getAttachment().getDataUri(),
-                           mediaRecord.getContentType(),
-                           mediaRecord.getDate(),
-                           mediaRecord.isOutgoing());
+      return new MediaItem(Recipient.from(context, msg.getId()),
+                           Uri.fromFile(msg.getFileAsFile()),
+                           msg.getFilemime(),
+                           msg.getId(),
+                           msg.getDateReceived(),
+                           msg.getFilebytes(),
+                           msg.isOutgoing());
     }
 
     @Override
@@ -558,30 +581,33 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
 
     private int getCursorPosition(int position) {
       if (leftIsRecent) return position;
-      else              return cursor.getCount() - 1 - position;
+      else              return gallery.getCount() - 1 - position;
     }
   }
 
   private static class MediaItem {
     private final @Nullable Recipient          recipient;
-    private final @Nullable DatabaseAttachment attachment;
     private final @NonNull  Uri                uri;
     private final @NonNull  String             type;
+    private final           int                msgId;
     private final           long               date;
+    private final           long               size;
     private final           boolean            outgoing;
 
     private MediaItem(@Nullable Recipient recipient,
-                      @Nullable DatabaseAttachment attachment,
                       @NonNull Uri uri,
                       @NonNull String type,
+                      int msgId,
                       long date,
+                      long size,
                       boolean outgoing)
     {
       this.recipient  = recipient;
-      this.attachment = attachment;
       this.uri        = uri;
       this.type       = type;
+      this.msgId      = msgId;
       this.date       = date;
+      this.size       = size;
       this.outgoing   = outgoing;
     }
   }

src/org/thoughtcrime/securesms/NewConversationActivity.java

@@ -98,12 +98,10 @@ public class NewConversationActivity extends ContactSelectionActivity {
     final DcContext dcContext = DcHelper.getContext(this);
 
     Intent intent = new Intent(this, ConversationActivity.class);
-    intent.putExtra(ConversationActivity.ADDRESS_EXTRA, Address.fromChat(chatId));
     intent.putExtra(ConversationActivity.TEXT_EXTRA, getIntent().getStringExtra(ConversationActivity.TEXT_EXTRA));
     intent.setDataAndType(getIntent().getData(), getIntent().getType());
 
     intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, (long)chatId);
-    intent.putExtra(ConversationActivity.DISTRIBUTION_TYPE_EXTRA, ThreadDatabase.DistributionTypes.DEFAULT);
     startActivity(intent);
     finish();
   }

src/org/thoughtcrime/securesms/QrScanActivity.java

@@ -0,0 +1,118 @@
+package org.thoughtcrime.securesms;
+
+import android.Manifest;
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v7.app.AppCompatActivity;
+import android.view.KeyEvent;
+import android.view.MenuItem;
+
+import com.journeyapps.barcodescanner.CaptureManager;
+import com.journeyapps.barcodescanner.CompoundBarcodeView;
+
+import org.thoughtcrime.securesms.permissions.Permissions;
+
+public class QrScanActivity extends AppCompatActivity {
+
+    private CaptureManager capture;
+
+    private CompoundBarcodeView barcodeScannerView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.activity_qr_scan);
+
+        assert getSupportActionBar() != null;
+        getSupportActionBar().setTitle(R.string.qr_scan_activity__title);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
+        barcodeScannerView = findViewById(R.id.zxing_barcode_scanner);
+        barcodeScannerView.setStatusText(getString(R.string.qr_scan_activity__hint) + "\n ");
+
+        if (savedInstanceState != null) {
+            init(barcodeScannerView, getIntent(), savedInstanceState);
+        }
+
+        Permissions.with(this)
+                .request(Manifest.permission.CAMERA)
+                .ifNecessary()
+                .onAnyResult(this::handleQrScanWithPermissions)
+                .onAnyDenied(this::handleQrScanWithDeniedPermission)
+                .execute();
+    }
+
+    private void handleQrScanWithPermissions() {
+        init(barcodeScannerView, getIntent(), null);
+    }
+
+    private void handleQrScanWithDeniedPermission() {
+        setResult(Activity.RESULT_CANCELED);
+        finish();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        super.onOptionsItemSelected(item);
+
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
+        Permissions.onRequestPermissionsResult(this, requestCode, permissions, grantResults);
+    }
+
+    private void init(CompoundBarcodeView barcodeScannerView, Intent intent, Bundle savedInstanceState) {
+        capture = new CaptureManager(this, barcodeScannerView);
+        capture.initializeFromIntent(intent, savedInstanceState);
+        capture.decode();
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        if (capture != null) {
+            capture.onResume();
+        }
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        if (capture != null) {
+            capture.onPause();
+        }
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if (capture != null) {
+            capture.onDestroy();
+        }
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        if (capture != null) {
+            capture.onSaveInstanceState(outState);
+        }
+    }
+
+    @Override
+    public boolean onKeyDown(int keyCode, KeyEvent event) {
+        return barcodeScannerView.onKeyDown(keyCode, event) || super.onKeyDown(keyCode, event);
+    }
+
+}

src/org/thoughtcrime/securesms/QrShowActivity.java

@@ -0,0 +1,188 @@
+package org.thoughtcrime.securesms;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.text.Html;
+import android.view.MenuItem;
+import android.view.WindowManager;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.b44t.messenger.DcContext;
+import com.b44t.messenger.DcEventCenter;
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.MultiFormatWriter;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+
+import org.thoughtcrime.securesms.connect.ApplicationDcContext;
+import org.thoughtcrime.securesms.connect.DcHelper;
+
+public class QrShowActivity extends AppCompatActivity implements DcEventCenter.DcEventDelegate {
+
+    public final static int WHITE = 0xFFFFFFFF;
+    public final static int BLACK = 0xFF000000;
+    public final static int WIDTH = 400;
+    public final static int HEIGHT = 400;
+
+    public int numJoiners;
+
+    DcEventCenter dcEventCenter;
+
+    ApplicationDcContext dcContext;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_qr_show);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); // keeping the screen on also avoids falling back from IDLE to POLL
+
+        dcContext = DcHelper.getContext(this);
+        dcEventCenter = dcContext.eventCenter;
+
+        Bundle extras = getIntent().getExtras();
+        int chatId = 0;
+        if (extras != null) {
+            chatId = extras.getInt("chat_id");
+        }
+
+        ActionBar supportActionBar = getSupportActionBar();
+        assert supportActionBar != null;
+        supportActionBar.setDisplayHomeAsUpEnabled(true);
+
+        String hint;
+        if (chatId != 0) {
+            // verified-group
+            String groupName = dcContext.getChat(chatId).getName();
+            hint = String.format(this.getString(R.string.qr_show_activity__join_verified_group_hint), groupName);
+            supportActionBar.setTitle(groupName);
+            supportActionBar.setSubtitle(R.string.qr_show_activity__join_verified_group_title);
+        } else {
+            // verify-contact
+            String selfName = DcHelper.get(this, DcHelper.CONFIG_DISPLAY_NAME); // we cannot use MrContact.getDisplayName() as this would result in "Me" instead of
+            String nameAndAddress;
+            if (selfName.isEmpty()) {
+                selfName = DcHelper.get(this, DcHelper.CONFIG_ADDRESS, "unknown");
+                nameAndAddress = selfName;
+            } else {
+                nameAndAddress = String.format("%s (%s)", selfName, DcHelper.get(this, DcHelper.CONFIG_ADDRESS));
+            }
+            hint = String.format(this.getString(R.string.qr_show_activity__join_contact_hint), nameAndAddress);
+            supportActionBar.setTitle(selfName);
+            supportActionBar.setSubtitle(R.string.qr_show_activity__join_contact_title);
+        }
+        TextView hintBelowQr = findViewById(R.id.qrShowHint);
+        hintBelowQr.setText(Html.fromHtml(hint));
+
+        numJoiners = 0;
+
+        ImageView imageView = findViewById(R.id.qrImage);
+        try {
+            Bitmap bitmap = encodeAsBitmap(dcContext.getSecurejoinQr(chatId));
+            imageView.setImageBitmap(bitmap);
+        } catch (WriterException e) {
+            e.printStackTrace();
+        }
+
+        dcEventCenter.addObserver(this, DcContext.DC_EVENT_SECUREJOIN_INVITER_PROGRESS);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        dcEventCenter.removeObserver(this, DcContext.DC_EVENT_SECUREJOIN_INVITER_PROGRESS);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        super.onOptionsItemSelected(item);
+
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+
+        return false;
+    }
+
+    Bitmap encodeAsBitmap(String str) throws WriterException {
+        BitMatrix result;
+        try {
+            result = new MultiFormatWriter().encode(str,
+                    BarcodeFormat.QR_CODE, WIDTH, HEIGHT, null);
+        } catch (IllegalArgumentException iae) {
+            // Unsupported format
+            return null;
+        }
+
+        int w = result.getWidth();
+        int h = result.getHeight();
+        int[] pixels = new int[w * h];
+        for (int y = 0; y < h; y++) {
+            int offset = y * w;
+            for (int x = 0; x < w; x++) {
+                pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
+            }
+        }
+
+        Bitmap bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
+        bitmap.setPixels(pixels, 0, w, 0, 0, w, h);
+
+        int configQrOverlayLogo = DcHelper.getInt(this, DcHelper.CONFIG_QR_OVERLAY_LOGO, 1);
+        if (configQrOverlayLogo != 0) {
+            Bitmap overlay = BitmapFactory.decodeResource(this.getResources(), R.drawable.qr_overlay);
+            putOverlay(bitmap, overlay);
+        }
+
+        return bitmap;
+    }
+
+    public void putOverlay(Bitmap bitmap, Bitmap overlay) {
+        int bw = bitmap.getWidth();
+        int bh = bitmap.getHeight();
+        int ow = bw / 6;
+        int oh = bh / 6;
+
+        Canvas canvas = new Canvas(bitmap);
+        Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG);
+        canvas.drawBitmap(overlay, null, new Rect(bw / 2 - ow / 2, bh / 2 - oh / 2, bw / 2 + ow / 2, bh / 2 + oh / 2), paint);
+    }
+
+    @Override
+    public void handleEvent(int eventId, Object data1, Object data2) {
+        if (eventId == DcContext.DC_EVENT_SECUREJOIN_INVITER_PROGRESS) {
+            DcContext dcContext = DcHelper.getContext(this);
+            int contact_id = ((Long) data1).intValue();
+            long progress = (Long) data2;
+            String msg = null;
+            if (progress == 300) {
+                msg = String.format(getString(R.string.qr_show_activity__joining), dcContext.getContact(contact_id).getNameNAddr());
+                numJoiners++;
+            } else if (progress == 600) {
+                msg = String.format(getString(R.string.qr_show_activity__verified), dcContext.getContact(contact_id).getNameNAddr());
+            } else if (progress == 800) {
+                msg = String.format(getString(R.string.qr_show_activity__group_joined), dcContext.getContact(contact_id).getNameNAddr());
+            }
+
+            if (msg != null) {
+                Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
+            }
+
+            if (progress == 1000) {
+                numJoiners--;
+                if (numJoiners <= 0) {
+                    finish();
+                }
+            }
+        }
+
+    }
+}

src/org/thoughtcrime/securesms/RecipientPreferenceActivity.java

@@ -167,8 +167,11 @@ public class RecipientPreferenceActivity extends PassphraseRequiredActionBarActi
       Intent intent = new Intent(RecipientPreferenceActivity.this, MediaPreviewActivity.class);
       intent.putExtra(MediaPreviewActivity.ADDRESS_EXTRA, address);
       intent.putExtra(MediaPreviewActivity.OUTGOING_EXTRA, mediaRecord.isOutgoing());
-      intent.putExtra(MediaPreviewActivity.DATE_EXTRA, mediaRecord.getDate());
-      intent.putExtra(MediaPreviewActivity.SIZE_EXTRA, mediaRecord.getAttachment().getSize());
+      Log.e(TAG, "MEDIA PREVIEW NOT IMPLEMENTED HERE must have dcMsgId in Media Record first!");
+      if(true)
+        throw new IllegalStateException("Media Preview not implemented");
+/*      intent.putExtra(MediaPreviewActivity.DATE_EXTRA, mediaRecord.getDate());
+      intent.putExtra(MediaPreviewActivity.SIZE_EXTRA, mediaRecord.getAttachment().getSize());*/
       intent.putExtra(MediaPreviewActivity.LEFT_IS_RECENT_EXTRA, ViewCompat.getLayoutDirection(threadPhotoRailView) == ViewCompat.LAYOUT_DIRECTION_LTR);
       intent.setDataAndType(mediaRecord.getAttachment().getDataUri(), mediaRecord.getContentType());
       startActivity(intent);
@@ -192,13 +195,13 @@ public class RecipientPreferenceActivity extends PassphraseRequiredActionBarActi
   }
 
   private void setHeader(@NonNull Recipient recipient) {
-    glideRequests.load(recipient.getContactPhoto())
+    glideRequests.load(recipient.getContactPhoto(this))
                  .fallback(recipient.getFallbackContactPhoto().asCallCard(this))
                  .error(recipient.getFallbackContactPhoto().asCallCard(this))
                  .diskCacheStrategy(DiskCacheStrategy.ALL)
                  .into(this.avatar);
 
-    if (recipient.getContactPhoto() == null) this.avatar.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
+    if (recipient.getContactPhoto(this) == null) this.avatar.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
     else                                     this.avatar.setScaleType(ImageView.ScaleType.CENTER_CROP);
 
     this.avatar.setBackgroundColor(recipient.getColor().toActionBarColor(this));

src/org/thoughtcrime/securesms/ShareActivity.java

@@ -240,15 +240,13 @@ public class ShareActivity extends PassphraseRequiredActionBarActivity
       contactsFragment.getView().setVisibility(View.VISIBLE);
       progressWheel.setVisibility(View.GONE);
     } else {
-      createConversation(threadId, address, distributionType);
+      createConversation(threadId);
     }
   }
 
-  private void createConversation(long threadId, Address address, int distributionType) {
+  private void createConversation(long threadId) {
     final Intent intent = getBaseShareIntent(ConversationActivity.class);
-    intent.putExtra(ConversationActivity.ADDRESS_EXTRA, address);
     intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, threadId);
-    intent.putExtra(ConversationActivity.DISTRIBUTION_TYPE_EXTRA, distributionType);
 
     isPassingAlongMedia = true;
     startActivity(intent);
@@ -275,7 +273,7 @@ public class ShareActivity extends PassphraseRequiredActionBarActivity
   public void onContactSelected(int specialId, String number) {
     Recipient recipient = Recipient.from(this, Address.fromExternal(this, number), true);
     long existingThread = DatabaseFactory.getThreadDatabase(this).getThreadIdIfExistsFor(recipient);
-    createConversation(existingThread, recipient.getAddress(), ThreadDatabase.DistributionTypes.DEFAULT);
+    createConversation(existingThread);
   }
 
   @Override

src/org/thoughtcrime/securesms/attachments/Attachment.java

@@ -10,7 +10,7 @@ public abstract class Attachment {
 
   @NonNull
   private final String  contentType;
-  private final int     transferState;
+  private       int     transferState;
   private final long    size;
 
   @Nullable
@@ -63,6 +63,10 @@ public abstract class Attachment {
   @Nullable
   public abstract Uri getThumbnailUri();
 
+  public void setTransferState(int transferState) {
+    this.transferState = transferState;
+  }
+
   public int getTransferState() {
     return transferState;
   }

src/org/thoughtcrime/securesms/attachments/DcAttachment.java

@@ -0,0 +1,36 @@
+package org.thoughtcrime.securesms.attachments;
+
+import java.io.File;
+import android.net.Uri;
+import android.support.annotation.Nullable;
+
+import com.b44t.messenger.DcMsg;
+
+import org.thoughtcrime.securesms.database.AttachmentDatabase;
+
+public class DcAttachment extends Attachment {
+
+  private final DcMsg dcMsg;
+
+  public DcAttachment(DcMsg dcMsg) {
+    // todo: width, height, quote
+    super(dcMsg.getFilemime(), AttachmentDatabase.TRANSFER_PROGRESS_DONE, dcMsg.getFilebytes(),
+        dcMsg.getFilename(),
+        Uri.fromFile(new File(dcMsg.getFile())).toString(), String.valueOf(dcMsg.getId()), null, null,
+        null, dcMsg.getType() == DcMsg.DC_MSG_VOICE,
+        0, 0, false);
+    this.dcMsg = dcMsg;
+  }
+
+  @Nullable
+  @Override
+  public Uri getDataUri() {
+    return Uri.fromFile(new File(dcMsg.getFile()));
+  }
+
+  @Nullable
+  @Override
+  public Uri getThumbnailUri() {
+    return Uri.fromFile(new File(dcMsg.getFile()));
+  }
+}

src/org/thoughtcrime/securesms/components/AlertView.java

@@ -1,72 +0,0 @@
-package org.thoughtcrime.securesms.components;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.content.res.TypedArray;
-import android.os.Build.VERSION_CODES;
-import android.support.v4.content.ContextCompat;
-import android.util.AttributeSet;
-import android.view.View;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-
-import org.thoughtcrime.securesms.R;
-
-public class AlertView extends LinearLayout {
-
-  private static final String TAG = AlertView.class.getSimpleName();
-
-  private ImageView approvalIndicator;
-  private ImageView failedIndicator;
-
-  public AlertView(Context context) {
-    this(context, null);
-  }
-
-  public AlertView(Context context, AttributeSet attrs) {
-    super(context, attrs);
-    initialize(attrs);
-  }
-
-  @TargetApi(VERSION_CODES.HONEYCOMB)
-  public AlertView(final Context context, AttributeSet attrs, int defStyle) {
-    super(context, attrs, defStyle);
-    initialize(attrs);
-  }
-
-  private void initialize(AttributeSet attrs) {
-    inflate(getContext(), R.layout.alert_view, this);
-
-    approvalIndicator = findViewById(R.id.pending_approval_indicator);
-    failedIndicator   = findViewById(R.id.sms_failed_indicator);
-
-    if (attrs != null) {
-      TypedArray typedArray = getContext().getTheme().obtainStyledAttributes(attrs, R.styleable.AlertView, 0, 0);
-      boolean useSmallIcon = typedArray.getBoolean(R.styleable.AlertView_useSmallIcon, false);
-      typedArray.recycle();
-
-      if (useSmallIcon) {
-        int size = getResources().getDimensionPixelOffset(R.dimen.alertview_small_icon_size);
-        failedIndicator.getLayoutParams().width  = size;
-        failedIndicator.getLayoutParams().height = size;
-        requestLayout();
-      }
-    }
-  }
-
-  public void setNone() {
-    this.setVisibility(View.GONE);
-  }
-
-  public void setPendingApproval() {
-    this.setVisibility(View.VISIBLE);
-    approvalIndicator.setVisibility(View.VISIBLE);
-    failedIndicator.setVisibility(View.GONE);
-  }
-
-  public void setFailed() {
-    this.setVisibility(View.VISIBLE);
-    approvalIndicator.setVisibility(View.GONE);
-    failedIndicator.setVisibility(View.VISIBLE);
-  }
-}

src/org/thoughtcrime/securesms/components/AudioView.java

@@ -20,18 +20,9 @@ import android.widget.ImageView;
 import android.widget.SeekBar;
 import android.widget.TextView;
 
-import com.pnikosis.materialishprogress.ProgressWheel;
-
-import org.greenrobot.eventbus.EventBus;
-import org.greenrobot.eventbus.Subscribe;
-import org.greenrobot.eventbus.ThreadMode;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.audio.AudioSlidePlayer;
-import org.thoughtcrime.securesms.database.AttachmentDatabase;
-import org.thoughtcrime.securesms.events.PartProgressEvent;
 import org.thoughtcrime.securesms.mms.AudioSlide;
-import org.thoughtcrime.securesms.mms.SlideClickListener;
-import org.thoughtcrime.securesms.util.Util;
 
 import java.io.IOException;
 import java.util.concurrent.TimeUnit;
@@ -45,11 +36,9 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
   private final @NonNull ViewGroup       container;
   private final @NonNull ImageView       playButton;
   private final @NonNull ImageView       pauseButton;
-  private final @NonNull ImageView       downloadButton;
   private final @NonNull SeekBar         seekBar;
   private final @NonNull TextView        timestamp;
 
-  private @Nullable SlideClickListener downloadListener;
   private @Nullable AudioSlidePlayer   audioSlidePlayer;
   private int backwardsCounter;
 
@@ -69,7 +58,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
     this.controlToggle    = (AnimatingToggle) findViewById(R.id.control_toggle);
     this.playButton       = (ImageView) findViewById(R.id.play);
     this.pauseButton      = (ImageView) findViewById(R.id.pause);
-    this.downloadButton   = (ImageView) findViewById(R.id.download);
     this.seekBar          = (SeekBar) findViewById(R.id.seek);
     this.timestamp        = (TextView) findViewById(R.id.timestamp);
 
@@ -134,7 +122,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
     this.pauseButton.setFocusable(focusable);
     this.seekBar.setFocusable(focusable);
     this.seekBar.setFocusableInTouchMode(focusable);
-    this.downloadButton.setFocusable(focusable);
   }
 
   @Override
@@ -144,7 +131,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
     this.pauseButton.setClickable(clickable);
     this.seekBar.setClickable(clickable);
     this.seekBar.setOnTouchListener(clickable ? null : new TouchIgnoringListener());
-    this.downloadButton.setClickable(clickable);
   }
 
   @Override
@@ -153,7 +139,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
     this.playButton.setEnabled(enabled);
     this.pauseButton.setEnabled(enabled);
     this.seekBar.setEnabled(enabled);
-    this.downloadButton.setEnabled(enabled);
   }
 
   @Override
@@ -182,8 +167,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
       this.pauseButton.setColorFilter(foregroundTint, PorterDuff.Mode.SRC_IN);
     }
 
-    this.downloadButton.setColorFilter(foregroundTint, PorterDuff.Mode.SRC_IN);
-
     this.timestamp.setTextColor(foregroundTint);
     this.seekBar.getProgressDrawable().setColorFilter(foregroundTint, PorterDuff.Mode.SRC_IN);
 
@@ -248,19 +231,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
     }
   }
 
-  private class DownloadClickedListener implements View.OnClickListener {
-    private final @NonNull AudioSlide slide;
-
-    private DownloadClickedListener(@NonNull AudioSlide slide) {
-      this.slide = slide;
-    }
-
-    @Override
-    public void onClick(View v) {
-      if (downloadListener != null) downloadListener.onClick(v, slide);
-    }
-  }
-
   private class SeekBarModifiedListener implements SeekBar.OnSeekBarChangeListener {
     @Override
     public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {}

src/org/thoughtcrime/securesms/components/AvatarImageView.java

@@ -1,19 +1,17 @@
 package org.thoughtcrime.securesms.components;
 
 import android.content.Context;
-import android.content.Intent;
 import android.content.res.TypedArray;
-import android.provider.ContactsContract;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v7.widget.AppCompatImageView;
 import android.util.AttributeSet;
-import android.view.View;
 
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
 
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.contacts.avatars.ContactColors;
+import org.thoughtcrime.securesms.contacts.avatars.ContactPhoto;
 import org.thoughtcrime.securesms.contacts.avatars.GeneratedContactPhoto;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.recipients.Recipient;
@@ -49,7 +47,8 @@ public class AvatarImageView extends AppCompatImageView {
 
   public void setAvatar(@NonNull GlideRequests requestManager, @Nullable Recipient recipient, boolean quickContactEnabled) {
     if (recipient != null) {
-      requestManager.load(recipient.getContactPhoto())
+      ContactPhoto contactPhoto = recipient.getContactPhoto(getContext());
+      requestManager.load(contactPhoto)
                     .fallback(recipient.getFallbackContactPhotoDrawable(getContext(), inverted))
                     .error(recipient.getFallbackContactPhotoDrawable(getContext(), inverted))
                     .diskCacheStrategy(DiskCacheStrategy.ALL)

src/org/thoughtcrime/securesms/components/ConversationItemFooter.java

@@ -75,12 +75,7 @@ public class ConversationItemFooter extends LinearLayout {
 
   private void presentDate(@NonNull DcMsg messageRecord, @NonNull Locale locale) {
     dateView.forceLayout();
-
-    if (messageRecord.isFailed()) {
-      dateView.setText(R.string.ConversationItem_error_not_delivered);
-    } else {
-      dateView.setText(DateUtils.getTimeOfDayTimeSpanString(getContext(), locale, messageRecord.getTimestamp()));
-    }
+    dateView.setText(DateUtils.getTimeOfDayTimeSpanString(getContext(), locale, messageRecord.getTimestamp()));
   }
 
   private void presentSecureIndicator(@NonNull DcMsg messageRecord) {
@@ -88,13 +83,10 @@ public class ConversationItemFooter extends LinearLayout {
   }
 
   private void presentDeliveryStatus(@NonNull DcMsg messageRecord) {
-    if (!messageRecord.isFailed()) {
-      if      (!messageRecord.isOutgoing())  deliveryStatusView.setNone();
-      else if (messageRecord.isRemoteRead()) deliveryStatusView.setRead();
-      else if (messageRecord.isDelivered())  deliveryStatusView.setSent();
-      else                                   deliveryStatusView.setPending();
-    } else {
-      deliveryStatusView.setNone();
-    }
+    if      (!messageRecord.isOutgoing())  deliveryStatusView.setNone();
+    else if (messageRecord.isRemoteRead()) deliveryStatusView.setRead();
+    else if (messageRecord.isDelivered())  deliveryStatusView.setSent();
+    else if (messageRecord.isFailed())     deliveryStatusView.setFailed();
+    else                                   deliveryStatusView.setPending();
   }
 }

src/org/thoughtcrime/securesms/components/ConversationItemThumbnail.java

@@ -16,10 +16,14 @@ import android.widget.FrameLayout;
 import android.widget.ImageView;
 
 import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.database.AttachmentDatabase;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.mms.Slide;
 import org.thoughtcrime.securesms.mms.SlideClickListener;
 import org.thoughtcrime.securesms.util.ThemeUtil;
+import org.thoughtcrime.securesms.util.concurrent.ListenableFuture;
+
+import java.util.concurrent.ExecutionException;
 
 public class ConversationItemThumbnail extends FrameLayout {
 
@@ -145,11 +149,25 @@ public class ConversationItemThumbnail extends FrameLayout {
     return footer;
   }
 
+  private void refreshSlideAttachmentState(ListenableFuture<Boolean> signal, Slide slide) {
+    signal.addListener(new ListenableFuture.Listener<Boolean>() {
+      @Override
+      public void onSuccess(Boolean result) {
+        slide.asAttachment().setTransferState(AttachmentDatabase.TRANSFER_PROGRESS_DONE);
+      }
+
+      @Override
+      public void onFailure(ExecutionException e) {
+        slide.asAttachment().setTransferState(AttachmentDatabase.TRANSFER_PROGRESS_FAILED);
+      }
+    });
+  }
+
   @UiThread
   public void setImageResource(@NonNull GlideRequests glideRequests, @NonNull Slide slide,
                                boolean showControls, boolean isPreview)
   {
-    thumbnail.setImageResource(glideRequests, slide, showControls, isPreview);
+    refreshSlideAttachmentState(thumbnail.setImageResource(glideRequests, slide, showControls, isPreview), slide);
   }
 
   @UiThread
@@ -157,7 +175,8 @@ public class ConversationItemThumbnail extends FrameLayout {
                                boolean showControls, boolean isPreview, int naturalWidth,
                                int naturalHeight)
   {
-    thumbnail.setImageResource(glideRequests, slide, showControls, isPreview, naturalWidth, naturalHeight);
+    refreshSlideAttachmentState(thumbnail.setImageResource(glideRequests, slide, showControls, isPreview, naturalWidth, naturalHeight), slide);
+
   }
 
   public void setImageResource(@NonNull GlideRequests glideRequests, @NonNull Uri uri) {

src/org/thoughtcrime/securesms/components/webrtc/WebRtcCallScreen.java

@@ -293,7 +293,7 @@ public class WebRtcCallScreen extends FrameLayout implements RecipientModifiedLi
     this.recipient.addListener(this);
 
     GlideApp.with(getContext().getApplicationContext())
-            .load(recipient.getContactPhoto())
+            .load(recipient.getContactPhoto(getContext()))
             .fallback(recipient.getFallbackContactPhoto().asCallCard(getContext()))
             .error(recipient.getFallbackContactPhoto().asCallCard(getContext()))
             .diskCacheStrategy(DiskCacheStrategy.ALL)

src/org/thoughtcrime/securesms/connect/ApplicationDcContext.java

@@ -16,20 +16,19 @@
  */
 package org.thoughtcrime.securesms.connect;
 
-import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Environment;
 import android.os.PowerManager;
+import android.support.annotation.IntDef;
 import android.support.annotation.NonNull;
 import android.support.v4.content.FileProvider;
 import android.util.Log;
 import android.widget.Toast;
 
 import com.b44t.messenger.DcChat;
-import com.b44t.messenger.DcChatlist;
 import com.b44t.messenger.DcContact;
 import com.b44t.messenger.DcContext;
 import com.b44t.messenger.DcEventCenter;
@@ -40,16 +39,11 @@ import org.thoughtcrime.securesms.ApplicationContext;
 import org.thoughtcrime.securesms.BuildConfig;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.database.Address;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.database.GroupDatabase;
-import org.thoughtcrime.securesms.database.RecipientDatabase;
 import org.thoughtcrime.securesms.database.ThreadDatabase;
 import org.thoughtcrime.securesms.database.model.ThreadRecord;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientProvider;
-import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.Util;
-import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedReader;
@@ -58,15 +52,23 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
 import java.net.URL;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 
 
 public class ApplicationDcContext extends DcContext {
 
+    @IntDef({RECIPIENT_TYPE_CHAT, RECIPIENT_TYPE_CONTACT})
+    public @interface RecipientType {}
+
+    public static final int RECIPIENT_TYPE_CHAT = 0;
+    public static final int RECIPIENT_TYPE_CONTACT = 1;
+
     public Context context;
 
     public ApplicationDcContext(Context context) {
-        super("Android");
+        super("android-dev");
         this.context = context;
 
         File dbfile = new File(context.getFilesDir(), "messenger.db");
@@ -155,13 +157,25 @@ public class ApplicationDcContext extends DcContext {
      **********************************************************************************************/
 
     @NonNull
-    public Recipient getRecipient(int chatId) {
-        return getRecipient(getChat(chatId));
+    public Recipient getRecipient(@RecipientType int recipientType, int id) {
+        switch (recipientType) {
+            case RECIPIENT_TYPE_CHAT:
+                return getRecipient(getChat(id));
+            case RECIPIENT_TYPE_CONTACT:
+                return getRecipient(getContact(id));
+            default:
+                throw new IllegalArgumentException("Wrong RecipientType");
+        }
     }
 
     @NonNull
     public Recipient getRecipient(DcChat chat) {
-        RecipientProvider.RecipientDetails recipientDetails = new RecipientProvider.RecipientDetails(chat.getName(), null, false, null, null);
+        int[] contactIds = getChatContacts(chat.getId());
+        List<Recipient> participants = new ArrayList<>();
+        for(int contactId : contactIds) {
+            participants.add(getRecipient(RECIPIENT_TYPE_CONTACT, contactId));
+        }
+        RecipientProvider.RecipientDetails recipientDetails = new RecipientProvider.RecipientDetails(chat.getName(), null, false, null, participants);
         return new Recipient(Address.fromChat(chat.getId()), recipientDetails);
     }
     @NonNull
@@ -189,10 +203,11 @@ public class ApplicationDcContext extends DcContext {
         int                status               = 0;
         long               expiresIn            = 0;
         long               lastSeen             = 0;
+        boolean            verified             = chat.isVerified();
 
         return new ThreadRecord(context, body, null, recipient, date, count,
                 unreadCount, chatId, 0, status, type,
-                distributionType, archived, expiresIn, lastSeen, 0);
+                distributionType, archived, expiresIn, lastSeen, 0, verified);
     }
 
 
@@ -400,6 +415,7 @@ public class ApplicationDcContext extends DcContext {
             case DC_EVENT_GET_STRING:
                 String s;
                 switch( (int)data1 ) { // the integers are defined in the core and used only here, an enum or sth. like that won't have a big benefit
+                    case  8: s = context.getString(R.string.menu_deaddrop); break;
                     case 13: s = context.getString(R.string.default_status_text); break;
                     case 42: s = context.getString(R.string.autocrypt__asm_subject); break;
                     case 43: s = context.getString(R.string.autocrypt__asm_general_body); break;

src/org/thoughtcrime/securesms/connect/DcHelper.java

@@ -22,6 +22,7 @@ public class DcHelper {
     public static final String CONFIG_SELF_STATUS = "selfstatus";
     public static final String CONFIG_SELF_AVATAR = "selfavatar";
     public static final String CONFIG_E2EE_ENABLED = "e2ee_enabled";
+    public static final String CONFIG_QR_OVERLAY_LOGO = "qr_overlay_logo";
 
     public static ApplicationDcContext getContext(Context context) {
         return ApplicationContext.getInstance(context).dcContext;
@@ -32,9 +33,18 @@ public class DcHelper {
         return dcContext.isConfigured() == 1;
     }
 
-    public static String get(Context context, String key) {
+    public static int getInt(Context context, String key, int defaultValue) {
         DcContext dcContext = getContext(context);
-        return dcContext.getConfig(key, "");
+        return dcContext.getConfigInt(key, defaultValue);
+    }
+
+    public static String get(Context context, String key, String defaultValue) {
+        DcContext dcContext = getContext(context);
+        return dcContext.getConfig(key, defaultValue);
+    }
+
+    public static String get(Context context, String key) {
+        return get(context, key, "");
     }
 
     public static void set(Context context, String key, String value) {

src/org/thoughtcrime/securesms/connect/IncomingMessageNotifier.java

@@ -0,0 +1,4 @@
+package org.thoughtcrime.securesms;
+
+public class IncomingMessageNotifier {
+}