question: public void onConfigurationChanged ( ) { int curFirst = pager . getCurrentScreen ( ) * PAGE_SIZE ; calPageSize ( ) ; int newPage = curFirst / PAGE_SIZE ; removeViewAt ( 1 ) ; afterPlatformListGot ( ) ; pager . setCurrentScreen ( newPage ) ; }
target:  after the screen rotates, this method will be called to refresh the list of gridviews 