IndexOutOfBoundsException数组越界的问题求解

Question

D/AndroidRuntime( 7415): Shutting down VM
--------- beginning of crash
E/AndroidRuntime( 7415): FATAL EXCEPTION: main
E/AndroidRuntime( 7415): Process: com.android.settings, PID: 7415
E/AndroidRuntime( 7415): java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0
E/AndroidRuntime( 7415): at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
E/AndroidRuntime( 7415): at java.util.ArrayList.get(ArrayList.java:308)
E/AndroidRuntime( 7415): at android.widget.HeaderViewListAdapter.isEnabled(HeaderViewListAdapter.java:164)
E/AndroidRuntime( 7415): at android.widget.ListView.dispatchDraw(ListView.java:3307)
E/AndroidRuntime( 7415): at android.view.View.draw(View.java:15234)
E/AndroidRuntime( 7415): at android.widget.AbsListView.draw(AbsListView.java:4110)
E/AndroidRuntime( 7415): at android.view.View.updateDisplayListIfDirty(View.java:14167)
E/AndroidRuntime( 7415): at android.view.View.getDisplayList(View.java:14189)
E/AndroidRuntime( 7415): at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
E/AndroidRuntime( 7415): at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
E/AndroidRuntime( 7415): at android.view.View.updateDisplayListIfDirty(View.java:14127)
E/AndroidRuntime( 7415): at android.view.View.getDisplayList(View.java:14189)
E/AndroidRuntime( 7415): at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
E/AndroidRuntime( 7415): at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
E/AndroidRuntime( 7415): at android.view.View.updateDisplayListIfDirty(View.java:14127)
E/AndroidRuntime( 7415): at android.view.View.getDisplayList(View.java:14189)
E/AndroidRuntime( 7415): at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
E/AndroidRuntime( 7415): at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
E/AndroidRuntime( 7415): at android.view.View.updateDisplayListIfDirty(View.java:14127)
E/AndroidRuntime( 7415): at android.view.View.getDisplayList(View.java:14189)
E/AndroidRuntime( 7415): at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
E/AndroidRuntime( 7415): at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
E/AndroidRuntime( 7415): at android.view.View.updateDisplayListIfDirty(View.java:14127)
E/AndroidRuntime( 7415): at android.view.View.getDisplayList(View.java:14189)
E/AndroidRuntime( 7415): at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
E/AndroidRuntime( 7415): at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
E/AndroidRuntime( 7415): at android.view.View.updateDisplayListIfDirty(View.java:14127)
E/AndroidRuntime( 7415): at android.view.View.getDisplayList(View.java:14189)
E/AndroidRuntime( 7415): at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
E/AndroidRuntime( 7415): at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
E/AndroidRuntime( 7415): at android.view.View.updateDisplayListIfDirty(View.java:14127)
E/AndroidRuntime( 7415): at android.view.View.getDisplayList(View.java:14189)
E/AndroidRuntime( 7415): at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
E/AndroidRuntime( 7415): at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
E/AndroidRuntime( 7415): at android.view.View.updateDisplayListIfDirty(View.java:14127)
E/AndroidRuntime( 7415): at android.view.View.getDisplayList(View.java:14189)
E/AndroidRuntime( 7415): at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
E/AndroidRuntime( 7415): at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
E/AndroidRuntime( 7415): at android.view.View.updateDisplayListIfDirty(View.java:14127)
E/AndroidRuntime( 7415): at android.view.View.getDisplayList(View.java:14189)
E/AndroidRuntime( 7415): at android.view.ThreadedRenderer.updateViewTreeDisplayList(ThreadedRenderer.java:273)
E/AndroidRuntime( 7415): at android.view.ThreadedRenderer.updateRootDisplayList(ThreadedRenderer.java:279)
E/AndroidRuntime( 7415): at android.view.ThreadedRenderer.draw(ThreadedRenderer.java:318)
E/AndroidRuntime( 7415): at android.view.ViewRootImpl.draw(ViewRootImpl.java:2530)
E/AndroidRuntime( 7415): at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2352)
E/AndroidRuntime( 7415): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1982)
E/AndroidRuntime( 7415): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1061)
E/AndroidRuntime( 7415): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5885)
E/AndroidRuntime( 7415): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
E/AndroidRuntime( 7415): at android.view.Choreographer.doCallbacks(Choreographer.java:580)
E/AndroidRuntime( 7415): at android.view.Choreographer.doFrame(Choreographer.java:550)
E/AndroidRuntime( 7415): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
E/AndroidRuntime( 7415): at android.os.Handler.handleCallback(Handler.java:739)
E/AndroidRuntime( 7415): at android.os.Handler.dispatchMessage(Handler.java:95)
E/AndroidRuntime( 7415): at android.os.Looper.loop(Looper.java:135)
E/AndroidRuntime( 7415): at android.app.ActivityThread.main(ActivityThread.java:5258)
E/AndroidRuntime( 7415): at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime( 7415): at java.lang.reflect.Method.invoke(Method.java:372)
E/AndroidRuntime( 7415): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
E/AndroidRuntime( 7415): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
W/ActivityManager( 3185): Force finishing activity 1 com.android.settings/.SubSettings
表示看不出是哪行的代码有问题呀，报的都是api的错。。有谁知道不？

Answer 1

E/AndroidRuntime( 7415): java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0
E/AndroidRuntime( 7415): at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList
这两行,第一行显示的是你的索引0是非法无效的,大小是0;
第二行是说你的ArrayList抛出索引越界异常。
你自己检查一下看看。