Activity.on_start, Activity.on_restart, Activity.on_stop,
Activity.on_pause, Activity.on_resume,
Activity.on_save_instance_state, Activity.on_restore_instance_state `{
Activity.on_start, Activity.on_restart, Activity.on_stop,
Activity.on_pause, Activity.on_resume,
Activity.on_save_instance_state, Activity.on_restore_instance_state `{