releaseQIdleEndPreparingseekToQPreparedtopQstartQprepareQStalledeekToO/startiPausedStoppedstartOprepareAsyncQI(InitializedlaybaclcComplete)AndroidMediaPlayer的生命周期MediaPlayer的状态转换图也表征了它的生命周期，搞清楚这个图可以帮助我们在使用MediaPlayer时考虑情况更周全，写出的代码也更具健壮性。startQ(note:fibmbeginning)Looping=false&onCompletionQinvokedonOnCompletionListenersetDataSouiceQOiiEiTorListener.onEiTorflOnPreparedListener.oiiPreparedQprepareQLooping=tine&.playbackcompletesstop
