Sample App (4/7) Shows the album in a different activity Click on a track for immediate 941172四 Moonlight Sonata playback o Click adds it to the task bar o Launches a service to play Moonlight Sonata Click on the back button to return to the previous activity Allegretto o Android maintains a stack of activities for“back"” geomo I ⊙ 与 Refer to: http://developer.android.com/guide/components/tasks-and-back-stack.html 6
Sample App (4/7) • Shows the album in a different activity • Click on a track for immediate playback o Click adds it to the task bar o Launches a service to play • Click on the back button to return to the previous activity o Android maintains a stack of activities for “back” 6 Refer to: http://developer.android.com/guide/components/tasks-and-back-stack.html
Sample App(5/7） Playback continues,even if the user navigates away Even if the user locks the phone,as long as the user does not shut down the app
Sample App (5/7) • Playback continues, even if the user navigates away • Even if the user locks the phone, as long as the user does not shut down the app 7
Sample App(6/7) Service can be controlled by a widget when locked Also from the notification bar By clicking the notification bar,we can get back to the music player 4172四 41 Moonignt Sonatz Moonlight Sonata 角 Prestogta如 onmh ← 8
Sample App (6/7) • Service can be controlled by a widget when locked • Also from the notification bar • By clicking the notification bar, we can get back to the music player 8
Sample App (7/7) Service interrupted when a call 飞Home come Home 04-660 HOME o A Broadcast Event that all the INCOMING CALL (registered)apps would receive！ Resumes after the call hangs up
Sample App (7/7) • Service interrupted when a call come o A Broadcast Event that all the (registered) apps would receive! • Resumes after the call hangs up 9
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