def _fade_and_quit(self) -> None:
_ba.fade_screen(False,
time=0.2,
endcall=lambda: ba.quit(soft=True, back=self._back))
_ba.lock_all_input()
# Unlock and fade back in shortly.. just in case something goes wrong
# (or on android where quit just backs out of our activity and
# we may come back)
ba.timer(0.3, _ba.unlock_all_input, timetype=ba.TimeType.REAL)
def quit(arguments):
if arguments == [] or arguments == ['']:
ba.quit()