LibreTube/app/src/main/res/layout/dialog_addtoplaylist.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    >


    <ImageView
        android:src="@drawable/ic_libretube_foreground"
        android:layout_width="match_parent"
        android:layout_height="64dp"
        android:scaleType="center"
        android:background="#CD5757"
        android:contentDescription="@string/app_name" />
        <Spinner
            android:id="@+id/playlists_spinner"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="8dp"
            android:layout_margin="8dp"/>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:gravity="center">
        <Button
            android:id="@+id/addToPlaylist"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/addToPlaylist"
            android:padding="8dp"
            android:layout_margin="8dp"/>

    </LinearLayout>

</LinearLayout>