Android Physical/Capacitive Navigation Buttons

Question

how to check On-Screen or Physical/Capacitive Navigation Buttons on device

Answer 1

you can use ViewConfiguration.get(context).hasPermanentMenuKey()

only available for API level 14+

more info here and here

the best answer that helped will be this

boolean hasMenuKey = ViewConfiguration.get(context).hasPermanentMenuKey();
boolean hasBackKey = KeyCharacterMap.deviceHasKey(KeyEvent.KEYCODE_BACK);

if(!hasMenuKey && !hasBackKey) {

}