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

<?xml version="1.0" encoding="utf-8"?>
<org.thoughtcrime.securesms.components.webrtc.CallParticipantView 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"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    tools:layout_height="match_parent"
    tools:layout_width="match_parent">

    <org.thoughtcrime.securesms.components.AvatarImageView
        android:id="@+id/call_participant_item_avatar"
        android:layout_width="112dp"
        android:layout_height="112dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        tools:srcCompat="@tools:sample/avatars" />

    <ImageView
        android:id="@+id/call_participant_item_pip_avatar"
        android:layout_width="200dp"
        android:layout_height="200dp"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        tools:srcCompat="@tools:sample/avatars" />

    <org.thoughtcrime.securesms.components.webrtc.TextureViewRenderer
        android:id="@+id/call_participant_renderer"
        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" />

    <androidx.appcompat.widget.AppCompatImageView
        android:id="@+id/call_participant_mic_muted"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="12dp"
        android:layout_marginBottom="12dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:srcCompat="@drawable/ic_mic_off_solid_18"
        app:tint="@color/core_white" />

    <LinearLayout
        android:id="@+id/call_participant_info_overlay"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/transparent_black_40"
        android:gravity="center"
        android:orientation="vertical"
        android:padding="16dp"
        android:visibility="gone"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        tools:visibility="visible">

        <androidx.appcompat.widget.AppCompatImageView
            android:id="@+id/call_participant_info_icon"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            tools:drawableTint="@color/core_white"
            tools:srcCompat="@drawable/ic_block_tinted_24" />

        <org.thoughtcrime.securesms.components.emoji.EmojiTextView
            android:id="@+id/call_participant_info_message"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="12dp"
            android:layout_marginBottom="12dp"
            android:gravity="center_horizontal"
            android:lines="3"
            android:textColor="@color/core_white"
            tools:text="J. Jonah Jameson is blocked." />

        <com.google.android.material.button.MaterialButton
            android:id="@+id/call_participant_info_more_info"
            style="@style/Signal.Widget.Button.Small.Primary"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/CallParticipantView__more_info" />

    </LinearLayout>

</org.thoughtcrime.securesms.components.webrtc.CallParticipantView>