程序没错 却出现“很抱歉，Activity已停止运行”03-24 01:46:16.356: D/AndroidRuntime(1695): Shutting down VM
03-24 01:46:16.356: W/dalvikvm(1695): threadid=1: thread exiting with uncaught exception (group=0xb2ad9ba8)
03-24 01:46:16.446: E/AndroidRuntime(1695): FATAL EXCEPTION: main
03-24 01:46:16.446: E/AndroidRuntime(1695): Process: com.example.activity, PID: 1695
03-24 01:46:16.446: E/AndroidRuntime(1695): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.activity/com.example.activity.MainActivity}: java.lang.ClassCastException: com.example.activity.MainActivity$Button1Listener cannot be cast to android.view.View$OnClickListener
03-24 01:46:16.446: E/AndroidRuntime(1695): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
03-24 01:46:16.446: E/AndroidRuntime(1695): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
03-24 01:46:16.446: E/AndroidRuntime(1695): at android.app.ActivityThread.access$800(ActivityThread.java:135)
03-24 01:46:16.446: E/AndroidRuntime(1695): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
03-24 01:46:16.446: E/AndroidRuntime(1695): at android.os.Handler.dispatchMessage(Handler.java:102)
03-24 01:46:16.446: E/AndroidRuntime(1695): at android.os.Looper.loop(Looper.java:136)
03-24 01:46:16.446: E/AndroidRuntime(1695): at android.app.ActivityThread.main(ActivityThread.java:5017)
03-24 01:46:16.446: E/AndroidRuntime(1695): at java.lang.reflect.Method.invokeNative(Native Method)
03-24 01:46:16.446: E/AndroidRuntime(1695): at java.lang.reflect.Method.invoke(Method.java:515)
03-24 01:46:16.446: E/AndroidRuntime(1695): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
03-24 01:46:16.446: E/AndroidRuntime(1695): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
03-24 01:46:16.446: E/AndroidRuntime(1695): at dalvik.system.NativeStart.main(Native Method)
03-24 01:46:16.446: E/AndroidRuntime(1695): Caused by: java.lang.ClassCastException: com.example.activity.MainActivity$Button1Listener cannot be cast to android.view.View$OnClickListener
03-24 01:46:16.446: E/AndroidRuntime(1695): at com.example.activity.MainActivity.onCreate(MainActivity.java:34)
03-24 01:46:16.446: E/AndroidRuntime(1695): at android.app.Activity.performCreate(Activity.java:5231)
03-24 01:46:16.446: E/AndroidRuntime(1695): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
03-24 01:46:16.446: E/AndroidRuntime(1695): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
03-24 01:46:16.446: E/AndroidRuntime(1695): ... 11 more
03-24 01:50:50.906: W/ActivityThread(1731): Application com.example.activity is waiting for the debugger on port 8100...
03-24 01:50:50.926: I/System.out(1731): Sending WAIT chunk
03-24 01:50:50.986: I/dalvikvm(1731): Debugger is active
03-24 01:50:51.126: I/System.out(1731): Debugger has connected
Unable to start activity ComponentInfo，可能是这个问题
参考一下这个解决办法：
http://www.tuicool.com/articles/mQZfaa
希望能帮到你。
类型强转错了，看看onCreate中是否有定义listener用到了。
java.lang.ClassCastException: com.example.activity.MainActivity$Button1Listener cannot be cast to android.view.View$OnClickListener