Android Sudoku应用挂掉的问题
浏览数：29 /
时间：2015年06月11日
在真机上测试数独游戏时发现，快速点击屏幕时，游戏偶尔出现挂死的情况，Log如下
04-08 15:35:00.838 7317-7356/org.elvalad.sudoku D/OpenGLRenderer﹕ Enabling debug mode 0
04-08 15:35:23.036 7317-7317/org.elvalad.sudoku E/InputEventReceiver﹕ Exception dispatching input event.
04-08 15:35:23.036 7317-7317/org.elvalad.sudoku E/MessageQueue-JNI﹕ Exception in MessageQueue callback: handleReceiveCallback
04-08 15:35:23.041 7317-7317/org.elvalad.sudoku E/MessageQueue-JNI﹕ java.lang.ArrayIndexOutOfBoundsException: length=81; index=83
at org.elvalad.sudoku.GameView.onTouchEvent(GameView.java:282)
at android.view.View.dispatchTouchEvent(View.java:8393)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2432)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2119)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2432)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2119)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2432)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2119)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2432)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2119)
at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2314)
at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1692)
at android.app.Activity.dispatchTouchEvent(Activity.java:2749)
at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2275)
at android.view.View.dispatchPointerEvent(View.java:8583)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4091)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3957)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3509)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3562)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3528)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3638)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3536)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3695)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3509)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3562)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3528)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3536)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3509)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:5806)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5745)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5716)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:5896)
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:192)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:143)
at android.os.Looper.loop(Looper.java:122)
at android.app.ActivityThread.main(ActivityThread.java:5312)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:901)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:696)
04-08 15:35:23.041 7317-7317/org.elvalad.sudoku D/AndroidRuntime﹕ Shutting down VM
04-08 15:35:23.042 7317-7317/org.elvalad.sudoku E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: org.elvalad.sudoku, PID: 7317
java.lang.ArrayIndexOutOfBoundsException: length=81; index=83
at org.elvalad.sudoku.GameView.onTouchEvent(GameView.java:282)
at android.view.View.dispatchTouchEvent(View.java:8393)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2432)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2119)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2432)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2119)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2432)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2119)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2432)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2119)
at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2314)
at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1692)
at android.app.Activity.dispatchTouchEvent(Activity.java:2749)
at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2275)
at android.view.View.dispatchPointerEvent(View.java:8583)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4091)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3957)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3509)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3562)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3528)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3638)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3536)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3695)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3509)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3562)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3528)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3536)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3509)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:5806)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5745)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5716)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:5896)
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:192)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:143)
at android.os.Looper.loop(Looper.java:122)
at android.app.ActivityThread.main(ActivityThread.java:5312)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:901)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:696)
从Log中可以很容易的发现是数组越界了，说明我们在游戏中绘制游戏格子时坐标并不是完全正确的，一个简单的处理办法是我们在使用数组时添加保护机制，当数组的Index大于81时直接让这次touch屏幕动作无效即可。
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