Signal-Android/app/src/main/res/layout/webrtc_call_view.xml

<?xml version="1.0" encoding="utf-8"?>
<merge 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"
    tools:parentTag="org.thoughtcrime.securesms.components.webrtc.WebRtcCallView">

    <View
        android:id="@+id/call_screen_blur_overlay"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/transparent_black_40" />

    <org.thoughtcrime.securesms.components.AvatarImageView
        android:id="@+id/call_screen_recipient_avatar"
        android:layout_width="200dp"
        android:layout_height="200dp"
        android:layout_gravity="center" />

    <ImageView
        android:id="@+id/call_screen_recipient_avatar_call_card"
        android:layout_width="200dp"
        android:layout_height="200dp"
        android:layout_gravity="center"
        android:visibility="gone" />

    <FrameLayout
        android:id="@+id/call_screen_remote_renderer_holder"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <FrameLayout
        android:id="@+id/call_screen_large_local_renderer_holder"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <View
        android:id="@+id/call_screen_header_gradient"
        android:layout_width="match_parent"
        android:layout_height="160dp"
        android:background="@drawable/webrtc_call_screen_header_gradient" />

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/call_screen"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <org.thoughtcrime.securesms.util.views.TouchInterceptingFrameLayout
            android:id="@+id/call_screen_pip_area"
            android:layout_width="0dp"
            android:layout_height="0dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="1"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0">

            <FrameLayout
                android:id="@+id/call_screen_pip"
                android:layout_width="@dimen/picture_in_picture_gesture_helper_pip_width"
                android:layout_height="@dimen/picture_in_picture_gesture_helper_pip_height"
                android:translationX="100000dp"
                android:translationY="-100000dp"
                android:visibility="gone"

                tools:background="@color/red"
                tools:visibility="visible">

                <FrameLayout
                    android:id="@+id/call_screen_small_local_renderer_holder"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent" />

                <ImageView
                    android:id="@+id/call_screen_camera_direction_toggle"
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:layout_gravity="bottom|center_horizontal"
                    android:paddingStart="9dp"
                    android:paddingEnd="9dp"
                    android:paddingBottom="10dp"
                    android:src="@drawable/ic_switch_camera_32" />
            </FrameLayout>
        </org.thoughtcrime.securesms.util.views.TouchInterceptingFrameLayout>

        <ImageView
            android:id="@+id/call_screen_down_arrow"
            android:layout_width="20dp"
            android:layout_height="11dp"
            android:layout_marginStart="13dp"
            app:layout_constraintBottom_toBottomOf="@id/call_screen_recipient_name"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="@id/call_screen_recipient_name" />

        <TextView
            android:id="@+id/call_screen_recipient_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="39dp"
            android:shadowColor="@color/transparent_black_20"
            android:shadowDx="0"
            android:shadowDy="0"
            android:shadowRadius="4.0"
            android:textAppearance="@style/TextAppearance.Signal.Title2"
            android:textColor="@color/core_white"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            tools:text="Kiera Thompson" />

        <TextView
            android:id="@+id/call_screen_status"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            android:shadowColor="@color/transparent_black_40"
            android:shadowDx="0"
            android:shadowDy="0"
            android:shadowRadius="4.0"
            android:textColor="@color/core_white"
            android:textSize="16sp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/call_screen_recipient_name"
            tools:text="Signal Calling..." />

        <org.thoughtcrime.securesms.components.webrtc.WebRtcAudioOutputToggleButton
            android:id="@+id/call_screen_speaker_toggle"
            android:layout_width="56dp"
            android:layout_height="56dp"
            android:layout_marginEnd="16dp"
            android:layout_marginBottom="34dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/call_screen_video_toggle"
            app:layout_constraintHorizontal_chainStyle="packed"
            app:layout_constraintStart_toStartOf="parent"
            app:srcCompat="@drawable/webrtc_call_screen_speaker_toggle" />

        <org.thoughtcrime.securesms.components.AccessibleToggleButton
            android:id="@+id/call_screen_video_toggle"
            style="@style/WebRtcCallV2CompoundButton"
            android:layout_marginEnd="16dp"
            android:layout_marginBottom="34dp"
            android:background="@drawable/webrtc_call_screen_video_toggle"
            android:stateListAnimator="@null"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/call_screen_mic_toggle"
            app:layout_constraintHorizontal_chainStyle="packed"
            app:layout_constraintStart_toEndOf="@id/call_screen_speaker_toggle" />

        <org.thoughtcrime.securesms.components.AccessibleToggleButton
            android:id="@+id/call_screen_mic_toggle"
            style="@style/WebRtcCallV2CompoundButton"
            android:layout_marginEnd="16dp"
            android:layout_marginBottom="34dp"
            android:background="@drawable/webrtc_call_screen_mic_toggle"
            android:stateListAnimator="@null"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/call_screen_end_call"
            app:layout_constraintHorizontal_chainStyle="packed"
            app:layout_constraintStart_toEndOf="@id/call_screen_video_toggle" />

        <ImageView
            android:id="@+id/call_screen_end_call"
            android:layout_width="56dp"
            android:layout_height="56dp"
            android:layout_marginBottom="34dp"
            android:clickable="false"
            android:src="@drawable/webrtc_call_screen_hangup"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_chainStyle="packed"
            app:layout_constraintStart_toEndOf="@id/call_screen_mic_toggle" />

        <ImageView
            android:id="@+id/call_screen_decline_call"
            android:layout_width="56dp"
            android:layout_height="56dp"
            android:layout_marginStart="66dp"
            android:layout_marginBottom="65dp"
            android:src="@drawable/webrtc_call_screen_hangup"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/call_screen_answer_call"
            app:layout_constraintHorizontal_chainStyle="spread_inside"
            app:layout_constraintStart_toStartOf="parent" />

        <TextView
            android:id="@+id/call_screen_decline_call_label"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="5dp"
            android:text="@string/WebRtcCallScreen__decline"
            android:textColor="@color/core_white"
            app:layout_constraintEnd_toEndOf="@id/call_screen_decline_call"
            app:layout_constraintStart_toStartOf="@id/call_screen_decline_call"
            app:layout_constraintTop_toBottomOf="@id/call_screen_decline_call" />

        <ImageView
            android:id="@+id/call_screen_answer_call"
            android:layout_width="56dp"
            android:layout_height="56dp"
            android:layout_marginEnd="66dp"
            android:layout_marginBottom="65dp"
            android:src="@drawable/webrtc_call_screen_answer"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_chainStyle="spread_inside"
            app:layout_constraintStart_toEndOf="@id/call_screen_decline_call" />

        <TextView
            android:id="@+id/call_screen_answer_call_label"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="5dp"
            android:text="@string/WebRtcCallScreen__answer"
            android:textColor="@color/core_white"
            app:layout_constraintEnd_toEndOf="@id/call_screen_answer_call"
            app:layout_constraintStart_toStartOf="@id/call_screen_answer_call"
            app:layout_constraintTop_toBottomOf="@id/call_screen_answer_call" />

        <ImageView
            android:id="@+id/call_screen_answer_with_audio"
            android:layout_width="56dp"
            android:layout_height="56dp"
            android:layout_marginBottom="5dp"
            android:src="@drawable/webrtc_call_screen_answer_without_video"
            app:layout_constraintBottom_toTopOf="@id/call_screen_answer_with_audio_label"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent" />

        <TextView
            android:id="@+id/call_screen_answer_with_audio_label"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="9dp"
            android:text="@string/WebRtcCallScreen__answer_without_video"
            android:textColor="@color/core_white"
            app:layout_constraintBottom_toTopOf="@id/call_screen_answer_call"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent" />

        <androidx.constraintlayout.widget.Group
            android:id="@+id/call_screen_in_call_buttons"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:constraint_referenced_ids="call_screen_end_call,call_screen_mic_toggle,call_screen_video_toggle,call_screen_speaker_toggle" />

        <androidx.constraintlayout.widget.Group
            android:id="@+id/call_screen_incoming_call_buttons"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:visibility="gone"
            app:constraint_referenced_ids="call_screen_decline_call,call_screen_decline_call_label,call_screen_answer_call,call_screen_answer_call_label" />

        <androidx.constraintlayout.widget.Group
            android:id="@+id/call_screen_answer_with_audio_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:visibility="gone"
            app:constraint_referenced_ids="call_screen_answer_with_audio,call_screen_answer_with_audio_label" />

        <androidx.constraintlayout.widget.Group
            android:id="@+id/call_screen_top_views"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:visibility="visible"
            app:constraint_referenced_ids="call_screen_recipient_name,call_screen_status,call_screen_down_arrow" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</merge>