Combine multiple backgrounds on android XML? -

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can combine own android drawable , ?android:selectableitembackground...? searched lot can't find right answer... example lets have simple button , want this:

<button     android:id="@+id/btest"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:background="?android:selectableitembackground" | @drawable/mydrawable/>

any ideas?

how using framelayout

<framelayout     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:background="@drawable/mydrawable">     <button         android:id="@+id/btest"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:background="?android:selectableitembackground"/> </framelayout>

or using imagebutton

<imagebutton     android:id="@+id/btest"     android:src="@drawable/mydrawable"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:background="?android:selectableitembackground"/>

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