08-04 03:57:46.202: ERROR/AndroidRuntime(238): ERROR: thread attach failed
08-04 03:57:49.701: ERROR/AndroidRuntime(246): ERROR: thread attach failed
08-04 03:57:51.381: ERROR/AndroidRuntime(253): Uncaught handler: thread main exiting due to uncaught exception
08-04 03:57:51.422: ERROR/AndroidRuntime(253): java.lang.RuntimeException: Unable to start activity ComponentInfo{org.example.sudoku/org.example.sudoku.Sudoku}: java.lang.NullPointerException
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2496)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at android.app.ActivityThread.access$2200(ActivityThread.java:119)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at android.os.Handler.dispatchMessage(Handler.java:99)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at android.os.Looper.loop(Looper.java:123)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at android.app.ActivityThread.main(ActivityThread.java:4363)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at java.lang.reflect.Method.invokeNative(Native Method)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at java.lang.reflect.Method.invoke(Method.java:521)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at dalvik.system.NativeStart.main(Native Method)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): Caused by: java.lang.NullPointerException
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at org.example.sudoku.Sudoku.onCreate(Sudoku.java:25)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2459)
08-04 03:57:51.422: ERROR/AndroidRuntime(253): ... 11 more
前辈到底是什么地方出问题了呢？
------解决方案--------------------
Unable to start activity ComponentInfo{org.example.sudoku/org.example.sudoku.Sudoku}: java.lang.NullPointerException
不能启动。。。空指针错误
------解决方案--------------------
Caused by: java.lang.NullPointerException
这够明确了吧。有变量没有初始化。具体你看看25行。
------解决方案--------------------
java.lang.RuntimeException: Unable to start activity ComponentInfo{org.example.sudoku/org.example.sudoku.Sudoku}: java.lang.NullPointerException