<?xml version="1.0" encoding="utf-8"?> <merge xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/inCallControls" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" tools:background="@color/textsecure_primary"> <ToggleButton android:id="@+id/speakerButton" style="@style/WebRtcCallCompoundButton" android:background="@drawable/webrtc_speaker_button" tools:checked="true" android:layout_marginRight="15dp"/> <ToggleButton android:id="@+id/bluetoothButton" style="@style/WebRtcCallCompoundButton" android:background="@drawable/webrtc_bluetooth_button" tools:checked="true" android:layout_marginRight="15dp" android:visibility="gone"/> <ToggleButton android:id="@+id/muteButton" style="@style/WebRtcCallCompoundButton" android:background="@drawable/webrtc_mute_button" android:contentDescription="@string/redphone_call_controls__mute" android:layout_marginRight="15dp" tools:checked="false" /> <ToggleButton android:id="@+id/video_mute_button" style="@style/WebRtcCallCompoundButton" android:background="@drawable/webrtc_video_mute_button"/> </merge>