UABAndroidExamples/MultimediaMediaRecorder/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}" >

    <TextView
        android:id="@+id/doingWhat"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true" />

    <ToggleButton
        android:id="@+id/audioPlaying"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentRight="true"
        android:textOn="@string/stopPlaying"
        android:textOff="@string/startPlaying" />

    <ToggleButton
        android:id="@+id/audioRecording"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_above="@+id/audioPlaying"
        android:layout_alignParentLeft="true"
        android:layout_alignParentRight="true"
        android:textOn="@string/stopRecording"
        android:textOff="@string/startRecording" />

</RelativeLayout>