Hide action bar in Android API Level 16(v4.1) or Higher -

i using code google hide action bar when run, application stop , throw error

unfortunately, app has stopped.

view decorview = getwindow().getdecorview(); int uioptions = view.system_ui_flag_fullscreen; decorview.setsystemuivisibility(uioptions); actionbar actionbar = getactionbar(); actionbar.hide(); 

step 1:replace

actionbar actionbar = getactionbar(); 

to

actionbar actionbar = getsupportactionbar();