NewPipe/app/src/main/res/layout/activity_play_video.xml

<merge 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:context="org.schabi.newpipe.PlayVideoActivity"
    android:gravity="center">

    <VideoView android:id="@+id/video_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="center"
        android:focusable="false"/>

    <Button android:id="@+id/content_button"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@null"
        android:focusable="false"/>

    <ProgressBar android:id="@+id/play_video_progress_bar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:indeterminate="true"
        android:layout_gravity="center"
        android:focusable="false"/>

</merge>