android button setPressed after onClick

Question

yesterday I noticed the possibility to integrate Fragments in older API Levels through the Compatibility package, but thats not really essential for the question. :)

Answer 1

Use ToggleButton instead of Button.

<ToggleButton
    android:id="@+id/button2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_weight="1"
    android:background="@drawable/topping_selector"
    android:checked="false"
    android:textOff="Topping2"
    android:textOn="Topping2" />

topping_selector.xml:

<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_checked="true" 
        android:drawable="@drawable/btn_topping_on" />

    <item android:state_checked="false" 
        android:drawable="@drawable/btn_topping_off" />

</selector>