android/examples/DirectPairing/src/main/res/layout/group_indicator.xml

   1 <selector xmlns:android="http://schemas.android.com/apk/res/android">\r
   2          <item android:drawable="@drawable/arrow_right" android:state_empty="true"></item>\r
   3             <item android:drawable="@drawable/arrow_down" android:state_expanded="true"></item>\r
   4             <item android:drawable="@drawable/arrow_right"></item>\r
   5 \r
   6 </selector>