feat: add edge-to-edge android 15 view

ui/src/main/AndroidManifest.xml

@@ -78,6 +78,7 @@
         <activity
             android:name=".activity.SettingsActivity"
             android:label="@string/settings"
+            android:theme="@style/AppTheme.NoActionBar"
             android:parentActivityName=".activity.MainActivity" />
 
         <activity

ui/src/main/java/org/amnezia/awg/activity/SettingsActivity.kt

@@ -29,9 +29,12 @@ import kotlinx.coroutines.withContext
 class SettingsActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        if (supportFragmentManager.findFragmentById(android.R.id.content) == null) {
+        setContentView(R.layout.activity_settings)
+        setSupportActionBar(findViewById(R.id.toolbar))
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+        if (supportFragmentManager.findFragmentById(R.id.settings_container) == null) {
             supportFragmentManager.commit {
-                add(android.R.id.content, SettingsFragment())
+                add(R.id.settings_container, SettingsFragment())
             }
         }
     }

ui/src/main/res/layout/activity_settings.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/app_bar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:fitsSystemWindows="true">
+
+        <com.google.android.material.appbar.MaterialToolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <FrameLayout
+        android:id="@+id/settings_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

ui/src/main/res/values/styles.xml

@@ -15,6 +15,11 @@
     <!-- Various additional API-specific features in values-v*/styles.xml -->
     <style name="AppTheme" parent="AppThemeBase" />
 
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
     <style name="AmneziaWgTheme.MaterialCardView" parent="Widget.Material3.CardView.Elevated">
         <item name="cornerRadius">4dp</item>
         <item name="contentPadding">8dp</item>