android 屏蔽按键

UiModeManager uiModeManager = (UiModeManager )getSystemService(Context.UI_MODE_SERVICE);if(uiModeManager.getCurrentModeType()==UiModeManager.DISABLE_CAR_MODE_GO_HOME){uiModeManager.enableCarMode(UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME);flag = true;return;}