(Android music player source code gravity sensing song swing code, customized painting lyrics, generated rolling effect, controlled playing music in the service, transmitted some data through BroadcastReceiver, and realized stopping playing music when the call came, and continuing playing after the call. Of course, there is also the song throwing function of the previous version, which uses an acceleration sensor to control the pause of music playing. The most outstanding function is to add the function of lyrics synchronization, which truly realizes the synchronous play of music lyrics. Detect once every 200 milliseconds, and detect the code executed after shaking.)