Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

30 files changed, 777 insertions, 0 deletions

diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/disconnect.png b/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/disconnect.png
new file mode 100644
index 0000000000..be36174c24
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/disconnect.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_action_full_screen.png b/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_action_full_screen.png
new file mode 100644
index 0000000000..22f30d31ca
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_action_full_screen.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_action_return_from_full_screen.png b/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_action_return_from_full_screen.png
new file mode 100644
index 0000000000..d9436e5248
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_action_return_from_full_screen.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_launcher.png b/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_launcher.png
new file mode 100644
index 0000000000..f01a31a717
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_launcher.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_loopback_call.png b/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_loopback_call.png
new file mode 100644
index 0000000000..39311853b3
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-hdpi/ic_loopback_call.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/disconnect.png b/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/disconnect.png
new file mode 100644
index 0000000000..be36174c24
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/disconnect.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_action_full_screen.png b/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_action_full_screen.png
new file mode 100644
index 0000000000..e4a9ff0a8e
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_action_full_screen.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_action_return_from_full_screen.png b/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_action_return_from_full_screen.png
new file mode 100644
index 0000000000..f5c80f00e7
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_action_return_from_full_screen.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_launcher.png b/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_launcher.png
new file mode 100644
index 0000000000..5492ed770a
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_launcher.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_loopback_call.png b/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_loopback_call.png
new file mode 100644
index 0000000000..39311853b3
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-ldpi/ic_loopback_call.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/disconnect.png b/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/disconnect.png
new file mode 100644
index 0000000000..be36174c24
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/disconnect.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_action_full_screen.png b/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_action_full_screen.png
new file mode 100644
index 0000000000..e4a9ff0a8e
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_action_full_screen.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_action_return_from_full_screen.png b/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_action_return_from_full_screen.png
new file mode 100644
index 0000000000..f5c80f00e7
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_action_return_from_full_screen.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_launcher.png b/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_launcher.png
new file mode 100644
index 0000000000..b8b4b0ec4b
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_launcher.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_loopback_call.png b/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_loopback_call.png
new file mode 100644
index 0000000000..39311853b3
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-mdpi/ic_loopback_call.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/disconnect.png b/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/disconnect.png
new file mode 100644
index 0000000000..be36174c24
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/disconnect.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_action_full_screen.png b/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_action_full_screen.png
new file mode 100644
index 0000000000..6d90c071d5
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_action_full_screen.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_action_return_from_full_screen.png b/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_action_return_from_full_screen.png
new file mode 100644
index 0000000000..a773b34208
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_action_return_from_full_screen.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_launcher.png b/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_launcher.png
new file mode 100644
index 0000000000..a3cd45890c
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_launcher.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_loopback_call.png b/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_loopback_call.png
new file mode 100644
index 0000000000..39311853b3
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/drawable-xhdpi/ic_loopback_call.png
diff --git a/third_party/libwebrtc/examples/androidapp/res/layout/activity_call.xml b/third_party/libwebrtc/examples/androidapp/res/layout/activity_call.xml
new file mode 100644
index 0000000000..bf811426f3
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/layout/activity_call.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!-- tools:ignore is needed because lint thinks this can be replaced with a merge. Replacing this
+     with a merge causes the fullscreen SurfaceView not to be centered. -->
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:ignore="MergeRootFrame">
+
+    <org.webrtc.SurfaceViewRenderer
+        android:id="@+id/fullscreen_video_view"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center" />
+
+    <org.webrtc.SurfaceViewRenderer
+        android:id="@+id/pip_video_view"
+        android:layout_height="144dp"
+        android:layout_width="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="16dp"/>
+
+    <FrameLayout
+        android:id="@+id/call_fragment_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+    <FrameLayout
+        android:id="@+id/hud_fragment_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</FrameLayout>
diff --git a/third_party/libwebrtc/examples/androidapp/res/layout/activity_connect.xml b/third_party/libwebrtc/examples/androidapp/res/layout/activity_connect.xml
new file mode 100644
index 0000000000..017e5cabff
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/layout/activity_connect.xml
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_margin="16dp"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:weightSum="1"
+    android:layout_centerHorizontal="true">
+
+    <TextView
+        android:id="@+id/room_edittext_description"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/room_description"/>
+
+    <LinearLayout
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:layout_marginBottom="8dp">
+
+        <!-- TODO(crbug.com/900912): Fix and remove lint ignore -->
+        <EditText
+            tools:ignore="LabelFor,Autofill"
+            android:id="@+id/room_edittext"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:maxLines="1"
+            android:imeOptions="actionDone"
+            android:inputType="text"/>
+
+        <ImageButton
+            android:id="@+id/connect_button"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:contentDescription="@string/connect_description"
+            android:background="@android:drawable/sym_action_call" />
+
+        <ImageButton
+            android:id="@+id/add_favorite_button"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:contentDescription="@string/add_favorite_description"
+            android:background="@android:drawable/ic_input_add" />
+    </LinearLayout>
+
+    <TextView
+        android:id="@+id/room_listview_description"
+        android:layout_width="match_parent"
+        android:layout_height="48dp"
+        android:layout_marginTop="8dp"
+        android:lines="1"
+        android:maxLines="1"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        android:text="@string/favorites"
+        android:gravity="center_vertical"/>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1">
+
+        <ListView
+            android:id="@+id/room_listview"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:drawSelectorOnTop="false" />
+
+        <TextView
+            android:id="@android:id/empty"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:text="@string/no_favorites" />
+    </FrameLayout>
+</LinearLayout>
diff --git a/third_party/libwebrtc/examples/androidapp/res/layout/fragment_call.xml b/third_party/libwebrtc/examples/androidapp/res/layout/fragment_call.xml
new file mode 100644
index 0000000000..90b1e9ca0e
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/layout/fragment_call.xml
@@ -0,0 +1,77 @@
+<?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">
+
+    <TextView
+        android:id="@+id/contact_name_call"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_above="@+id/buttons_call_container"
+        android:textSize="24sp"
+        android:layout_margin="8dp"/>
+
+    <LinearLayout
+           android:id="@+id/buttons_call_container"
+           android:orientation="horizontal"
+           android:layout_above="@+id/capture_format_text_call"
+           android:layout_alignWithParentIfMissing="true"
+           android:layout_marginBottom="32dp"
+           android:layout_centerHorizontal="true"
+           android:layout_width="wrap_content"
+           android:layout_height="wrap_content">
+
+       <ImageButton
+           android:id="@+id/button_call_disconnect"
+           android:background="@drawable/disconnect"
+           android:contentDescription="@string/disconnect_call"
+           android:layout_marginEnd="16dp"
+           android:layout_width="48dp"
+           android:layout_height="48dp"/>
+
+       <ImageButton
+           android:id="@+id/button_call_switch_camera"
+           android:background="@android:drawable/ic_menu_camera"
+           android:contentDescription="@string/switch_camera"
+           android:layout_marginEnd="8dp"
+           android:layout_width="48dp"
+           android:layout_height="48dp"/>
+
+        <ImageButton
+           android:id="@+id/button_call_scaling_mode"
+           android:background="@drawable/ic_action_return_from_full_screen"
+           android:contentDescription="@string/disconnect_call"
+           android:layout_width="48dp"
+           android:layout_height="48dp"/>
+
+       <ImageButton
+           android:id="@+id/button_call_toggle_mic"
+           android:background="@android:drawable/ic_btn_speak_now"
+           android:contentDescription="@string/toggle_mic"
+           android:layout_marginEnd="8dp"
+           android:layout_width="48dp"
+           android:layout_height="48dp"/>
+    </LinearLayout>
+
+    <TextView
+        android:id="@+id/capture_format_text_call"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_above="@+id/capture_format_slider_call"
+        android:textSize="16sp"
+        android:text="@string/capture_format_change_text"/>
+
+    <SeekBar
+        android:id="@+id/capture_format_slider_call"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_alignParentBottom="true"
+        android:progress="50"
+        android:layout_margin="8dp"/>
+
+</RelativeLayout>
diff --git a/third_party/libwebrtc/examples/androidapp/res/layout/fragment_hud.xml b/third_party/libwebrtc/examples/androidapp/res/layout/fragment_hud.xml
new file mode 100644
index 0000000000..483e7ba456
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/layout/fragment_hud.xml
@@ -0,0 +1,27 @@
+<?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">
+
+    <ImageButton
+        android:id="@+id/button_toggle_debug"
+        android:background="@android:drawable/ic_menu_info_details"
+        android:contentDescription="@string/toggle_debug"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentStart="true"
+        android:layout_width="48dp"
+        android:layout_height="48dp"/>
+
+    <TextView
+        android:id="@+id/hud_stat_call"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentEnd="true"
+        android:textStyle="bold"
+        android:textColor="#C000FF00"
+        android:textSize="12sp"
+        android:layout_margin="8dp"/>
+
+</RelativeLayout>
diff --git a/third_party/libwebrtc/examples/androidapp/res/menu/connect_menu.xml b/third_party/libwebrtc/examples/androidapp/res/menu/connect_menu.xml
new file mode 100644
index 0000000000..a723f54941
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/menu/connect_menu.xml
@@ -0,0 +1,13 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/action_loopback"
+        android:icon="@drawable/ic_loopback_call"
+        android:showAsAction="always"
+        android:title="@string/action_loopback"/>
+    <item
+        android:id="@+id/action_settings"
+        android:orderInCategory="100"
+        android:icon="@android:drawable/ic_menu_preferences"
+        android:showAsAction="ifRoom"
+        android:title="@string/action_settings"/>
+</menu>
diff --git a/third_party/libwebrtc/examples/androidapp/res/values-v17/styles.xml b/third_party/libwebrtc/examples/androidapp/res/values-v17/styles.xml
new file mode 100644
index 0000000000..969b5012e9
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/values-v17/styles.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <style name="AppTheme" parent="android:Theme.Holo" />
+
+  <style name="CallActivityTheme" parent="android:Theme.Black">
+    <item name="android:windowActionBar">false</item>
+    <item name="android:windowFullscreen">true</item>
+    <item name="android:windowNoTitle">true</item>
+  </style>
+</resources>
diff --git a/third_party/libwebrtc/examples/androidapp/res/values-v21/styles.xml b/third_party/libwebrtc/examples/androidapp/res/values-v21/styles.xml
new file mode 100644
index 0000000000..b19af7e38f
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/values-v21/styles.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <style name="AppTheme" parent="android:Theme.Material" />
+</resources>
diff --git a/third_party/libwebrtc/examples/androidapp/res/values/arrays.xml b/third_party/libwebrtc/examples/androidapp/res/values/arrays.xml
new file mode 100644
index 0000000000..4a2948c875
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/values/arrays.xml
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string-array name="videoResolutions">
+        <item>Default</item>
+        <item>4K (3840 x 2160)</item>
+        <item>Full HD (1920 x 1080)</item>
+        <item>HD (1280 x 720)</item>
+        <item>VGA (640 x 480)</item>
+        <item>QVGA (320 x 240)</item>
+    </string-array>
+
+    <string-array name="videoResolutionsValues">
+        <item>Default</item>
+        <item>3840 x 2160</item>
+        <item>1920 x 1080</item>
+        <item>1280 x 720</item>
+        <item>640 x 480</item>
+        <item>320 x 240</item>
+    </string-array>
+
+    <string-array name="cameraFps">
+        <item>Default</item>
+        <item>30 fps</item>
+        <item>15 fps</item>
+    </string-array>
+
+    <string-array name="startBitrate">
+        <item>Default</item>
+        <item>Manual</item>
+    </string-array>
+
+    <string-array name="videoCodecs">
+        <item>VP8</item>
+        <item>VP9</item>
+        <item>H264 Baseline</item>
+        <item>H264 High</item>
+        <item>AV1</item>
+    </string-array>
+
+    <string-array name="audioCodecs">
+        <item>OPUS</item>
+        <item>ISAC</item>
+    </string-array>
+
+    <string-array name="speakerphone">
+        <item>Auto (proximity sensor)</item>
+        <item>Enabled</item>
+        <item>Disabled</item>
+    </string-array>
+
+    <string-array name="speakerphoneValues">
+        <item>auto</item>
+        <item>true</item>
+        <item>false</item>
+    </string-array>
+
+    <string-array name="roomListContextMenu">
+        <item>Remove favorite</item>
+    </string-array>
+
+</resources>
diff --git a/third_party/libwebrtc/examples/androidapp/res/values/strings.xml b/third_party/libwebrtc/examples/androidapp/res/values/strings.xml
new file mode 100644
index 0000000000..814966f200
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/values/strings.xml
@@ -0,0 +1,224 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name" translatable="false">AppRTC</string>
+    <string name="settings_name" translatable="false">AppRTC Settings</string>
+    <string name="disconnect_call">Disconnect Call</string>
+    <string name="room_description">
+        Please enter a room name. Room names are shared with everyone, so think
+        of something unique and send it to a friend.
+    </string>
+    <string name="favorites">Favorites</string>
+    <string name="no_favorites">No favorites</string>
+    <string name="invalid_url_title">Invalid URL</string>
+    <string name="invalid_url_text">The URL or room name you entered resulted in an invalid URL: %1$s
+    </string>
+    <string name="channel_error_title">Connection error</string>
+    <string name="connecting_to">Connecting to: %1$s</string>
+    <string name="missing_url">FATAL ERROR: Missing URL to connect to.</string>
+    <string name="camera2_texture_only_error">Camera2 only supports capturing to texture. Either disable Camera2 or enable capturing to texture in the options.</string>
+    <string name="ok">OK</string>
+    <string name="switch_camera">Switch front/back camera</string>
+    <string name="capture_format_change_text">Slide to change capture format</string>
+    <string name="muted">Muted</string>
+    <string name="toggle_debug">Toggle debug view</string>
+    <string name="toggle_mic">Toggle microphone on/off</string>
+    <string name="action_settings">Settings</string>
+    <string name="action_loopback">Loopback connection</string>
+    <string name="connect_description">Connect to the room</string>
+    <string name="add_favorite_description">Add favorite</string>
+    <string name="format_description">%1$dx%2$d @ %3$d fps</string>
+    <string name="missing_permissions_try_again">The application is missing permissions. It might not work correctly. Do you want to try again?</string>
+    <string name="yes">Yes</string>
+    <string name="no">No</string>
+
+    <!-- Settings strings. -->
+    <string name="pref_room_key">room_preference</string>
+    <string name="pref_room_list_key">room_list_preference</string>
+
+    <string name="pref_videosettings_key">video_settings_key</string>
+    <string name="pref_videosettings_title">WebRTC video settings.</string>
+
+    <string name="pref_videocall_key">videocall_preference</string>
+    <string name="pref_videocall_title">Video call.</string>
+    <string name="pref_videocall_dlg">Enable video in a call.</string>
+    <string name="pref_videocall_default">true</string>
+
+    <string name="pref_screencapture_key">screencapture_preference</string>
+    <string name="pref_screencapture_title">Use screencapture.</string>
+    <string name="pref_screencapture_default">false</string>
+
+    <string name="pref_camera2_key">camera2_preference</string>
+    <string name="pref_camera2_title">Use Camera2.</string>
+    <string name="pref_camera2_default">true</string>
+    <string name="pref_camera2_not_supported">Not supported on this device.</string>
+
+    <string name="pref_resolution_key">resolution_preference</string>
+    <string name="pref_resolution_title">Video resolution.</string>
+    <string name="pref_resolution_dlg">Enter AppRTC local video resolution.</string>
+    <string name="pref_resolution_default">Default</string>
+
+    <string name="pref_fps_key">fps_preference</string>
+    <string name="pref_fps_title">Camera fps.</string>
+    <string name="pref_fps_dlg">Enter local camera fps.</string>
+    <string name="pref_fps_default">Default</string>
+
+    <string name="pref_capturequalityslider_key">capturequalityslider_preference</string>
+    <string name="pref_capturequalityslider_title">Capture quality slider.</string>
+    <string name="pref_capturequalityslider_dlg">Enable slider for changing capture quality.</string>
+    <string name="pref_capturequalityslider_default">false</string>
+
+    <string name="pref_maxvideobitrate_key">maxvideobitrate_preference</string>
+    <string name="pref_maxvideobitrate_title">Maximum video bitrate setting.</string>
+    <string name="pref_maxvideobitrate_dlg">Maximum video bitrate setting.</string>
+    <string name="pref_maxvideobitrate_default">Default</string>
+
+    <string name="pref_maxvideobitratevalue_key">maxvideobitratevalue_preference</string>
+    <string name="pref_maxvideobitratevalue_title">Video encoder maximum bitrate.</string>
+    <string name="pref_maxvideobitratevalue_dlg">Enter video encoder maximum bitrate in kbps.</string>
+    <string name="pref_maxvideobitratevalue_default">1700</string>
+
+    <string name="pref_videocodec_key">videocodec_preference</string>
+    <string name="pref_videocodec_title">Default video codec.</string>
+    <string name="pref_videocodec_dlg">Select default video codec.</string>
+    <string name="pref_videocodec_default">VP8</string>
+
+    <string name="pref_hwcodec_key">hwcodec_preference</string>
+    <string name="pref_hwcodec_title">Video codec hardware acceleration.</string>
+    <string name="pref_hwcodec_dlg">Use hardware accelerated video codec (if available).</string>
+    <string name="pref_hwcodec_default">true</string>
+
+    <string name="pref_capturetotexture_key">capturetotexture_preference</string>
+    <string name="pref_capturetotexture_title">Video capture to surface texture.</string>
+    <string name="pref_capturetotexture_dlg">Capture video to textures (if available).</string>
+    <string name="pref_capturetotexture_default">true</string>
+
+    <string name="pref_flexfec_key">flexfec_preference</string>
+    <string name="pref_flexfec_title">Codec-agnostic Flexible FEC.</string>
+    <string name="pref_flexfec_dlg">Enable FlexFEC.</string>
+    <string name="pref_flexfec_default">false</string>
+
+    <string name="pref_value_enabled">Enabled</string>
+    <string name="pref_value_disabled">Disabled</string>
+
+    <string name="pref_audiosettings_key">audio_settings_key</string>
+    <string name="pref_audiosettings_title">WebRTC audio settings.</string>
+
+    <string name="pref_startaudiobitrate_key">startaudiobitrate_preference</string>
+    <string name="pref_startaudiobitrate_title">Audio bitrate setting.</string>
+    <string name="pref_startaudiobitrate_dlg">Audio bitrate setting.</string>
+    <string name="pref_startaudiobitrate_default">Default</string>
+
+    <string name="pref_startaudiobitratevalue_key">startaudiobitratevalue_preference</string>
+    <string name="pref_startaudiobitratevalue_title">Audio codec bitrate.</string>
+    <string name="pref_startaudiobitratevalue_dlg">Enter audio codec bitrate in kbps.</string>
+    <string name="pref_startaudiobitratevalue_default">32</string>
+
+    <string name="pref_audiocodec_key">audiocodec_preference</string>
+    <string name="pref_audiocodec_title">Default audio codec.</string>
+    <string name="pref_audiocodec_dlg">Select default audio codec.</string>
+    <string name="pref_audiocodec_default">OPUS</string>
+
+    <string name="pref_noaudioprocessing_key">audioprocessing_preference</string>
+    <string name="pref_noaudioprocessing_title">Disable audio processing.</string>
+    <string name="pref_noaudioprocessing_dlg">Disable audio processing pipeline.</string>
+    <string name="pref_noaudioprocessing_default">false</string>
+
+    <string name="pref_aecdump_key">aecdump_preference</string>
+    <string name="pref_aecdump_title">Create aecdump.</string>
+    <string name="pref_aecdump_dlg">Enable diagnostic audio recordings.</string>
+    <string name="pref_aecdump_default">false</string>
+
+    <string name="pref_enable_save_input_audio_to_file_key">enable_key</string>
+    <string name="pref_enable_save_input_audio_to_file_title">Save input audio to file.</string>
+    <string name="pref_enable_save_input_audio_to_file_dlg">Save input audio to file.</string>
+    <string name="pref_enable_save_input_audio_to_file_default">false</string>
+
+    <string name="pref_opensles_key">opensles_preference</string>
+    <string name="pref_opensles_title">Use OpenSL ES for audio playback.</string>
+    <string name="pref_opensles_dlg">Use OpenSL ES for audio playback.</string>
+    <string name="pref_opensles_default">false</string>
+
+    <string name="pref_disable_built_in_aec_key">disable_built_in_aec_preference</string>
+    <string name="pref_disable_built_in_aec_title">Disable hardware AEC.</string>
+    <string name="pref_disable_built_in_aec_dlg">Disable hardware AEC.</string>
+    <string name="pref_disable_built_in_aec_default">false</string>
+    <string name="pref_built_in_aec_not_available">Hardware AEC is not available</string>
+
+    <string name="pref_disable_built_in_agc_key">disable_built_in_agc_preference</string>
+    <string name="pref_disable_built_in_agc_title">Disable hardware AGC.</string>
+    <string name="pref_disable_built_in_agc_dlg">Disable hardware AGC.</string>
+    <string name="pref_disable_built_in_agc_default">false</string>
+    <string name="pref_built_in_agc_not_available">Hardware AGC is not available</string>
+
+    <string name="pref_disable_built_in_ns_key">disable_built_in_ns_preference</string>
+    <string name="pref_disable_built_in_ns_title">Disable hardware NS.</string>
+    <string name="pref_disable_built_in_ns_dlg">Disable hardware NS.</string>
+    <string name="pref_disable_built_in_ns_default">false</string>
+    <string name="pref_built_in_ns_not_available">Hardware NS is not available</string>
+
+    <string name="pref_disable_webrtc_agc_and_hpf_key">disable_webrtc_agc_and_hpf_preference</string>
+    <string name="pref_disable_webrtc_agc_and_hpf_title">Disable WebRTC AGC and HPF.</string>
+    <string name="pref_disable_webrtc_agc_default">false</string>
+
+    <string name="pref_speakerphone_key">speakerphone_preference</string>
+    <string name="pref_speakerphone_title">Speakerphone.</string>
+    <string name="pref_speakerphone_dlg">Speakerphone.</string>
+    <string name="pref_speakerphone_default">auto</string>
+
+    <string name="pref_datasettings_key">data_settings_key</string>
+    <string name="pref_datasettings_title">WebRTC data channel settings.</string>
+
+    <string name="pref_enable_datachannel_key">enable_datachannel_preference</string>
+    <string name="pref_enable_datachannel_title">Enable datachannel.</string>
+    <string name="pref_enable_datachannel_default" translatable="false">true</string>
+
+    <string name="pref_ordered_key">ordered_preference</string>
+    <string name="pref_ordered_title">Order messages.</string>
+    <string name="pref_ordered_default" translatable="false">true</string>
+
+    <string name="pref_data_protocol_key">Subprotocol</string>
+    <string name="pref_data_protocol_title">Subprotocol.</string>
+    <string name="pref_data_protocol_dlg">Enter subprotocol.</string>
+    <string name="pref_data_protocol_default" translatable="false"></string>
+
+    <string name="pref_negotiated_key">negotiated_preference</string>
+    <string name="pref_negotiated_title">Negotiated.</string>
+    <string name="pref_negotiated_default" translatable="false">false</string>
+
+    <string name="pref_max_retransmit_time_ms_key">max_retransmit_time_ms_preference</string>
+    <string name="pref_max_retransmit_time_ms_title">Max delay to retransmit.</string>
+    <string name="pref_max_retransmit_time_ms_dlg">Enter max delay to retransmit (in ms).</string>
+    <string name="pref_max_retransmit_time_ms_default" translatable="false">-1</string>
+
+    <string name="pref_max_retransmits_key">max_retransmits_preference</string>
+    <string name="pref_max_retransmits_title">Max attempts to retransmit.</string>
+    <string name="pref_max_retransmits_dlg">Enter max attempts to retransmit.</string>
+    <string name="pref_max_retransmits_default" translatable="false">-1</string>
+
+    <string name="pref_data_id_key">data_id_preference</string>
+    <string name="pref_data_id_title">Data id.</string>
+    <string name="pref_data_id_dlg">Enter data channel id.</string>
+    <string name="pref_data_id_default" translatable="false">-1</string>
+
+    <string name="pref_miscsettings_key">misc_settings_key</string>
+    <string name="pref_miscsettings_title">Miscellaneous settings.</string>
+
+    <string name="pref_room_server_url_key">room_server_url_preference</string>
+    <string name="pref_room_server_url_title">Room server URL.</string>
+    <string name="pref_room_server_url_dlg">Enter a room server URL.</string>
+    <string name="pref_room_server_url_default" translatable="false">https://appr.tc</string>
+
+    <string name="pref_displayhud_key">displayhud_preference</string>
+    <string name="pref_displayhud_title">Display call statistics.</string>
+    <string name="pref_displayhud_dlg">Display call statistics.</string>
+    <string name="pref_displayhud_default" translatable="false">false</string>
+
+    <string name="pref_tracing_key">tracing_preference</string>
+    <string name="pref_tracing_title">Debug performance tracing.</string>
+    <string name="pref_tracing_dlg">Debug performance tracing.</string>
+    <string name="pref_tracing_default" translatable="false">false</string>
+
+    <string name="pref_enable_rtceventlog_key">enable_rtceventlog_key</string>
+    <string name="pref_enable_rtceventlog_title">Enable RtcEventLog.</string>
+    <string name="pref_enable_rtceventlog_default">false</string>
+</resources>
diff --git a/third_party/libwebrtc/examples/androidapp/res/xml/preferences.xml b/third_party/libwebrtc/examples/androidapp/res/xml/preferences.xml
new file mode 100644
index 0000000000..14e74d5c0b
--- /dev/null
+++ b/third_party/libwebrtc/examples/androidapp/res/xml/preferences.xml
@@ -0,0 +1,247 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+    <PreferenceCategory
+        android:key="@string/pref_videosettings_key"
+        android:title="@string/pref_videosettings_title">
+
+        <CheckBoxPreference
+            android:key="@string/pref_videocall_key"
+            android:title="@string/pref_videocall_title"
+            android:dialogTitle="@string/pref_videocall_dlg"
+            android:defaultValue="@string/pref_videocall_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_screencapture_key"
+            android:title="@string/pref_screencapture_title"
+            android:defaultValue="@string/pref_screencapture_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_camera2_key"
+            android:title="@string/pref_camera2_title"
+            android:defaultValue="@string/pref_camera2_default" />
+
+        <ListPreference
+            android:key="@string/pref_resolution_key"
+            android:title="@string/pref_resolution_title"
+            android:defaultValue="@string/pref_resolution_default"
+            android:dialogTitle="@string/pref_resolution_dlg"
+            android:entries="@array/videoResolutions"
+            android:entryValues="@array/videoResolutionsValues" />
+
+        <ListPreference
+            android:key="@string/pref_fps_key"
+            android:title="@string/pref_fps_title"
+            android:defaultValue="@string/pref_fps_default"
+            android:dialogTitle="@string/pref_fps_dlg"
+            android:entries="@array/cameraFps"
+            android:entryValues="@array/cameraFps" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_capturequalityslider_key"
+            android:title="@string/pref_capturequalityslider_title"
+            android:dialogTitle="@string/pref_capturequalityslider_dlg"
+            android:defaultValue="@string/pref_capturequalityslider_default" />
+
+        <ListPreference
+            android:key="@string/pref_maxvideobitrate_key"
+            android:title="@string/pref_maxvideobitrate_title"
+            android:defaultValue="@string/pref_maxvideobitrate_default"
+            android:dialogTitle="@string/pref_maxvideobitrate_dlg"
+            android:entries="@array/startBitrate"
+            android:entryValues="@array/startBitrate" />
+
+        <EditTextPreference
+            android:key="@string/pref_maxvideobitratevalue_key"
+            android:title="@string/pref_maxvideobitratevalue_title"
+            android:inputType="number"
+            android:defaultValue="@string/pref_maxvideobitratevalue_default"
+            android:dialogTitle="@string/pref_maxvideobitratevalue_dlg" />
+
+        <ListPreference
+            android:key="@string/pref_videocodec_key"
+            android:title="@string/pref_videocodec_title"
+            android:defaultValue="@string/pref_videocodec_default"
+            android:dialogTitle="@string/pref_videocodec_dlg"
+            android:entries="@array/videoCodecs"
+            android:entryValues="@array/videoCodecs" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_hwcodec_key"
+            android:title="@string/pref_hwcodec_title"
+            android:dialogTitle="@string/pref_hwcodec_dlg"
+            android:defaultValue="@string/pref_hwcodec_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_capturetotexture_key"
+            android:title="@string/pref_capturetotexture_title"
+            android:dialogTitle="@string/pref_capturetotexture_dlg"
+            android:defaultValue="@string/pref_capturetotexture_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_flexfec_key"
+            android:title="@string/pref_flexfec_title"
+            android:dialogTitle="@string/pref_flexfec_dlg"
+            android:defaultValue="@string/pref_flexfec_default" />
+    </PreferenceCategory>
+
+    <PreferenceCategory
+        android:key="@string/pref_audiosettings_key"
+        android:title="@string/pref_audiosettings_title">
+
+        <ListPreference
+            android:key="@string/pref_startaudiobitrate_key"
+            android:title="@string/pref_startaudiobitrate_title"
+            android:defaultValue="@string/pref_startaudiobitrate_default"
+            android:dialogTitle="@string/pref_startaudiobitrate_dlg"
+            android:entries="@array/startBitrate"
+            android:entryValues="@array/startBitrate" />
+
+        <EditTextPreference
+            android:key="@string/pref_startaudiobitratevalue_key"
+            android:title="@string/pref_startaudiobitratevalue_title"
+            android:inputType="number"
+            android:defaultValue="@string/pref_startaudiobitratevalue_default"
+            android:dialogTitle="@string/pref_startaudiobitratevalue_dlg" />
+
+        <ListPreference
+            android:key="@string/pref_audiocodec_key"
+            android:title="@string/pref_audiocodec_title"
+            android:defaultValue="@string/pref_audiocodec_default"
+            android:dialogTitle="@string/pref_audiocodec_dlg"
+            android:entries="@array/audioCodecs"
+            android:entryValues="@array/audioCodecs" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_noaudioprocessing_key"
+            android:title="@string/pref_noaudioprocessing_title"
+            android:dialogTitle="@string/pref_noaudioprocessing_dlg"
+            android:defaultValue="@string/pref_noaudioprocessing_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_aecdump_key"
+            android:title="@string/pref_aecdump_title"
+            android:dialogTitle="@string/pref_aecdump_dlg"
+            android:defaultValue="@string/pref_aecdump_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_enable_save_input_audio_to_file_key"
+            android:title="@string/pref_enable_save_input_audio_to_file_title"
+            android:dialogTitle="@string/pref_enable_save_input_audio_to_file_dlg"
+            android:defaultValue="@string/pref_enable_save_input_audio_to_file_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_opensles_key"
+            android:title="@string/pref_opensles_title"
+            android:dialogTitle="@string/pref_opensles_dlg"
+            android:defaultValue="@string/pref_opensles_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_disable_built_in_aec_key"
+            android:title="@string/pref_disable_built_in_aec_title"
+            android:dialogTitle="@string/pref_disable_built_in_aec_dlg"
+            android:defaultValue="@string/pref_disable_built_in_aec_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_disable_built_in_agc_key"
+            android:title="@string/pref_disable_built_in_agc_title"
+            android:dialogTitle="@string/pref_disable_built_in_agc_dlg"
+            android:defaultValue="@string/pref_disable_built_in_agc_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_disable_built_in_ns_key"
+            android:title="@string/pref_disable_built_in_ns_title"
+            android:dialogTitle="@string/pref_disable_built_in_ns_dlg"
+            android:defaultValue="@string/pref_disable_built_in_ns_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_disable_webrtc_agc_and_hpf_key"
+            android:title="@string/pref_disable_webrtc_agc_and_hpf_title"
+            android:defaultValue="@string/pref_disable_webrtc_agc_default" />
+
+        <ListPreference
+            android:key="@string/pref_speakerphone_key"
+            android:title="@string/pref_speakerphone_title"
+            android:defaultValue="@string/pref_speakerphone_default"
+            android:dialogTitle="@string/pref_speakerphone_dlg"
+            android:entries="@array/speakerphone"
+            android:entryValues="@array/speakerphoneValues" />
+    </PreferenceCategory>
+
+    <PreferenceCategory
+        android:key="@string/pref_datasettings_key"
+        android:title="@string/pref_datasettings_title">
+
+        <CheckBoxPreference
+            android:key="@string/pref_enable_datachannel_key"
+            android:title="@string/pref_enable_datachannel_title"
+            android:defaultValue="@string/pref_enable_datachannel_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_ordered_key"
+            android:title="@string/pref_ordered_title"
+            android:defaultValue="@string/pref_ordered_default" />
+
+        <EditTextPreference
+            android:key="@string/pref_data_protocol_key"
+            android:title="@string/pref_data_protocol_title"
+            android:inputType="text"
+            android:defaultValue="@string/pref_data_protocol_default"
+            android:dialogTitle="@string/pref_data_protocol_dlg" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_negotiated_key"
+            android:title="@string/pref_negotiated_title"
+            android:defaultValue="@string/pref_negotiated_default" />
+
+        <EditTextPreference
+            android:key="@string/pref_max_retransmit_time_ms_key"
+            android:title="@string/pref_max_retransmit_time_ms_title"
+            android:inputType="number"
+            android:defaultValue="@string/pref_max_retransmit_time_ms_default"
+            android:dialogTitle="@string/pref_max_retransmit_time_ms_dlg" />
+
+        <EditTextPreference
+            android:key="@string/pref_max_retransmits_key"
+            android:title="@string/pref_max_retransmits_title"
+            android:inputType="number"
+            android:defaultValue="@string/pref_max_retransmits_default"
+            android:dialogTitle="@string/pref_max_retransmits_dlg" />
+
+        <EditTextPreference
+            android:key="@string/pref_data_id_key"
+            android:title="@string/pref_data_id_title"
+            android:inputType="number"
+            android:defaultValue="@string/pref_data_id_default"
+            android:dialogTitle="@string/pref_data_id_dlg" />
+    </PreferenceCategory>
+
+    <PreferenceCategory
+        android:key="@string/pref_miscsettings_key"
+        android:title="@string/pref_miscsettings_title">
+
+        <EditTextPreference
+            android:key="@string/pref_room_server_url_key"
+            android:title="@string/pref_room_server_url_title"
+            android:inputType="text"
+            android:defaultValue="@string/pref_room_server_url_default"
+            android:dialogTitle="@string/pref_room_server_url_dlg" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_displayhud_key"
+            android:title="@string/pref_displayhud_title"
+            android:dialogTitle="@string/pref_displayhud_dlg"
+            android:defaultValue="@string/pref_displayhud_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_tracing_key"
+            android:title="@string/pref_tracing_title"
+            android:dialogTitle="@string/pref_tracing_dlg"
+            android:defaultValue="@string/pref_tracing_default" />
+
+        <CheckBoxPreference
+            android:key="@string/pref_enable_rtceventlog_key"
+            android:title="@string/pref_enable_rtceventlog_title"
+            android:defaultValue="@string/pref_enable_rtceventlog_default"/>
+    </PreferenceCategory>
+
+</PreferenceScreen>