UABAndroidExamples/MultimediaMediaPlayerService/res/layout/activity_main.xml

<RelativeLayout 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="${relativePackage}.${activityClass}" >

    <ImageButton
        android:id="@+id/playButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="10dp"
        android:src="@drawable/play"
        android:contentDescription="@string/playDescription" />

    <ImageButton
        android:id="@+id/pauseButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/playButton"
        android:layout_toRightOf="@+id/playButton"
        android:src="@drawable/pause"
        android:contentDescription="@string/pauseDescription" />

    <ImageButton
        android:id="@+id/stopButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/playButton"
        android:layout_toLeftOf="@+id/playButton"
        android:src="@drawable/stop"
        android:contentDescription="@string/stopDescription" />

    <TextView
        android:id="@+id/songName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:textAppearance="?android:attr/textAppearanceLarge" />

    <TextView
        android:id="@+id/mediaPlayerStatus"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_above="@+id/playButton"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="42dp" />

</RelativeLayout>