unify buttons (#2007)

* use standard button style for block/accept

* make existing buttons a little bit nicer

* make 'login' button more outstanding, esp. in dark-mode, where colors are tuned down for now

res/drawable-night/button_background.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- TODO - Consolidate using attr if we move away from API 19 -->
 <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" >
-	<solid android:color="#3b3b3b"/>
+	<solid android:color="@color/gray78"/>
 	<corners android:radius="8dp"/>
-</shape>
+</shape>

res/drawable/button_background.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- TODO - Consolidate using attr if we move away from API 19 -->
 <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" >
-	<solid android:color="#e9e9e9"/>
+	<solid android:color="@color/delta_primary_lite"/>
 	<corners android:radius="8dp"/>
-</shape>
+</shape>

res/layout/message_request_bottom_bar.xml

@@ -18,11 +18,13 @@
 
 	<Button
 		android:id="@+id/message_request_block"
-		style="@style/Signal.MessageRequest.Button.Deny"
+		style="@style/ButtonPrimary"
 		android:text="@string/block"
-		android:layout_marginEnd="8dp"
+		android:layout_width="0dp"
+		android:layout_height="40dp"
+		android:layout_marginEnd="16dp"
 		android:layout_marginBottom="16dp"
-		android:layout_marginRight="8dp"
+		android:layout_marginRight="16dp"
 		app:layout_constraintBottom_toBottomOf="parent"
 		app:layout_constraintEnd_toStartOf="@id/message_request_accept"
 		app:layout_constraintHorizontal_bias="0.5"
@@ -30,10 +32,12 @@
 
 	<Button
 		android:id="@+id/message_request_accept"
-		style="@style/Signal.MessageRequest.Button.Accept"
+		style="@style/ButtonPrimary"
 		android:text="@string/accept"
+		android:layout_width="0dp"
+		android:layout_height="40dp"
 		app:layout_constraintBottom_toBottomOf="@id/message_request_block"
 		app:layout_constraintEnd_toEndOf="parent"
 		app:layout_constraintStart_toEndOf="@id/message_request_block"
 		app:layout_constraintTop_toTopOf="@id/message_request_block" />
-</merge>
+</merge>

res/layout/welcome_activity.xml

@@ -37,19 +37,26 @@
         android:gravity="center"
         android:paddingStart="16dp"
         android:paddingEnd="16dp"
-        android:paddingBottom="24dp"
+        android:paddingBottom="16dp"
         android:text="@string/welcome_intro1_message"
         android:textSize="18sp"/>
 
+    <androidx.legacy.widget.Space
+        android:layout_weight="1"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"/>
+
     <Button
         style="@style/ButtonPrimary"
         android:id="@+id/login_button"
         android:layout_width="wrap_content"
         android:layout_height="40dp"
+        android:paddingLeft="24dp"
+        android:paddingRight="24dp"
         android:text="@string/login_header" />
 
     <androidx.legacy.widget.Space
-        android:layout_weight="5"
+        android:layout_weight="4"
         android:layout_width="match_parent"
         android:layout_height="0dp"/>
 

res/values-night/colors.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-	<color name="accept_button">@color/document_icon_text</color>
-</resources>

res/values/colors.xml

@@ -70,6 +70,4 @@
     <!-- unknown_sender fits in dark mode and lite mode (also other chat/contact colors fit in both modes);
          unknown_sender is used for the sender-name/quote-bar if the sender is unknown -->
     <color name="unknown_sender">#ff999999</color>
-
-    <color name="accept_button">@color/core_ultramarine</color>
 </resources>

res/values/styles.xml

@@ -83,10 +83,10 @@
     </style>
 
     <style name="ButtonPrimary">
-        <item name="android:background">@color/delta_primary_lite</item>
         <item name="android:textColor">@color/white</item>
-        <item name="android:paddingLeft">12dp</item>
-        <item name="android:paddingRight">12dp</item>
+        <item name="android:paddingLeft">8dp</item>
+        <item name="android:paddingRight">8dp</item>
+        <item name="android:background">@drawable/button_background</item>
     </style>
 
     <style name="PreferenceThemeOverlay.Fix" parent="PreferenceThemeOverlay.v14.Material">
@@ -105,21 +105,4 @@
         <item name="colorControlActivated">#ff2090ea</item>
     </style>
 
-    <style name="Button.Borderless" parent="Base.Widget.AppCompat.Button.Borderless">
-        <item name="android:textColor">?attr/colorAccent</item>
-    </style>
-    <style name="Signal.MessageRequest.Button" parent="Button.Borderless">
-        <item name="android:textAllCaps">false</item>
-        <item name="android:layout_width">0dp</item>
-        <item name="android:layout_height">48dp</item>
-        <item name="android:background">@drawable/message_request_button_background</item>
-    </style>
-    <style name="Signal.MessageRequest.Button.Deny">
-        <item name="android:textColor">@color/core_red</item>
-    </style>
-
-    <style name="Signal.MessageRequest.Button.Accept">
-        <item name="android:textColor">@color/accept_button</item>
-    </style>
-
 </resources>