Cross Reference: /packages/apps/Camera2/src/com/android/camera/captureintent/stateful

`Name`	`Date`	`Size`
Up to higher level directory
`Event.java`	06-Dec-2017	`825`
`EventHandler.java`	06-Dec-2017	`1.3K`
`State.java`	06-Dec-2017	`2.7K`
`StateImpl.java`	06-Dec-2017	`2.1K`
`StateMachine.java`	06-Dec-2017	`1.6K`
`StateMachineImpl.java`	06-Dec-2017	`3.9K`