java.lang.ClassCastException: android.widget.FrameLayout$LayoutParams cannot be cast to android.widget.Gallery$LayoutParams

Question

I m working on slide show.Slide show is working but when i move image forward or backward with my hand the app crashed and giving such error

"06-09 12:23:45.911:  java.lang.ClassCastException: android.widget.FrameLayout$LayoutParams cannot be cast to android.widget.Gallery$LayoutParams"
Got a ClassCastException in onLayout most likely caused by a racecondition in the mRecycle bin "

i am using media router it always give me warning that media router cann't be initiated. That's my media router code

MenuItem mediaRouteItem = menu.findItem( R.id.menuChromecast );
            android.support.v7.app.MediaRouteButton mediaRouteButton = (android.support.v7.app.MediaRouteButton) mediaRouteItem.getActionView();
return true;