KeyEvent
int
KEYCODE_KEYBOARD_BACKLIGHT_DOWN
KEYCODE_KEYBOARD_BACKLIGHT_TOGGLE
KEYCODE_KEYBOARD_BACKLIGHT_UP
KEYCODE_RECENT_APPS
KEYCODE_STYLUS_BUTTON_PRIMARY
KEYCODE_STYLUS_BUTTON_SECONDARY
KEYCODE_STYLUS_BUTTON_TAIL
KEYCODE_STYLUS_BUTTON_TERTIARY