平台2.3 虚拟机 2.3
log：
03-21 11:02:33.352: E/AndroidRuntime(433): FATAL EXCEPTION: main
03-21 11:02:33.352: E/AndroidRuntime(433): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.icu/com.android.icu.IcumusicActivity}: java.lang.IllegalMonitorStateException: object not locked by thread before notify()
03-21 11:02:33.352: E/AndroidRuntime(433): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
03-21 11:02:33.352: E/AndroidRuntime(433): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
03-21 11:02:33.352: E/AndroidRuntime(433): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
03-21 11:02:33.352: E/AndroidRuntime(433): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
03-21 11:02:33.352: E/AndroidRuntime(433): at android.os.Handler.dispatchMessage(Handler.java:99)
03-21 11:02:33.352: E/AndroidRuntime(433): at android.os.Looper.loop(Looper.java:130)
03-21 11:02:33.352: E/AndroidRuntime(433): at android.app.ActivityThread.main(ActivityThread.java:3683)
03-21 11:02:33.352: E/AndroidRuntime(433): at java.lang.reflect.Method.invokeNative(Native Method)
03-21 11:02:33.352: E/AndroidRuntime(433): at java.lang.reflect.Method.invoke(Method.java:507)
03-21 11:02:33.352: E/AndroidRuntime(433): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
03-21 11:02:33.352: E/AndroidRuntime(433): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
03-21 11:02:33.352: E/AndroidRuntime(433): at dalvik.system.NativeStart.main(Native Method)
03-21 11:02:33.352: E/AndroidRuntime(433): Caused by: java.lang.IllegalMonitorStateException: object not locked by thread before notify()
03-21 11:02:33.352: E/AndroidRuntime(433): at java.lang.Object.notify(Native Method)
03-21 11:02:33.352: E/AndroidRuntime(433): at com.android.icu.IcumusicActivity.onCreate(IcumusicActivity.java:24)
03-21 11:02:33.352: E/AndroidRuntime(433): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
03-21 11:02:33.352: E/AndroidRuntime(433): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
03-21 11:02:33.352: E/AndroidRuntime(433): ... 11 more
------解决方案--------------------
Caused by: java.lang.IllegalMonitorStateException: object not locked by thread before notify()