E/AndroidRuntime( 2818): FATAL EXCEPTION: mainE/AndroidRuntime( 2818): java.lang.RuntimeException: Unable to start service com.android.music.MediaPlaybackService@41c06648 with Intent { act=com.android.music.musicservicecommand cmp=com.android.music/.MediaPlaybackService (has extras) }: java.lang.NullPointerExceptionE/AndroidRuntime( 2818): at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2518)E/AndroidRuntime( 2818): at android.app.ActivityThread.access$1900(ActivityThread.java:134)E/AndroidRuntime( 2818): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1310)E/AndroidRuntime( 2818): at android.os.Handler.dispatchMessage(Handler.java:99)E/AndroidRuntime( 2818): at android.os.Looper.loop(Looper.java:154)E/AndroidRuntime( 2818): at android.app.ActivityThread.main(ActivityThread.java:4624)E/AndroidRuntime( 2818): at java.lang.reflect.Method.invokeNative(Native Method)E/AndroidRuntime( 2818): at java.lang.reflect.Method.invoke(Method.java:511)E/AndroidRuntime( 2818): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:809)E/AndroidRuntime( 2818): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:576)E/AndroidRuntime( 2818): at dalvik.system.NativeStart.main(Native Method)E/AndroidRuntime( 2818): Caused by: java.lang.NullPointerExceptionE/AndroidRuntime( 2818): at com.android.music.MediaPlaybackService.openCurrent(MediaPlaybackService.java:1629)E/AndroidRuntime( 2818): at com.android.music.MediaPlaybackService.next(MediaPlaybackService.java:2087)E/AndroidRuntime( 2818): at com.android.music.MediaPlaybackService.onStartCommand(MediaPlaybackService.java:1174)E/AndroidRuntime( 2818): at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2501)E/AndroidRuntime( 2818): ... 10 moreI/InputDispatcher( 307): Waiting because focused window still processing previous input.I/InputDispatcher( 307): Waiting because focused windlog android exception
这一行有个东东空指针了