MenuItem.mActionProvider is null

Question

I add following Menu item:

on my mainactivity\'s onCreateOptionsMenu(Menu menu):

the mediaRouteItem.getActionView() can get the button

Answer 1

Got the issue point after researching. Should not use android:actionProviderClass when we want to use objects in support library. Should take "http://schemas.android.com/apk/res-auto" namespace for the actionproviderClass attributes in menu item xml