有谁遇到过这样的情况 ,android开发按键抛出Nullpoint异常

lyshan 发布于 2012/03/29 18:20
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10-07 05:46:39.774 E/AndroidRuntime( 9171): java.lang.NullPointerException
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at android.widget.TabHost.dispatchKeyEvent(TabHost.java:282)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:789)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:789)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:789)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchKeyEvent(PhoneWindow.java:1687)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at com.android.internal.policy.impl.PhoneWindow.superDispatchKeyEvent(PhoneWindow.java:1120)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at android.app.Activity.dispatchKeyEvent(Activity.java:2073)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:1663)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at android.view.ViewRoot.deliverKeyEventToViewHierarchy(ViewRoot.java:2560)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at android.view.ViewRoot.handleFinishedEvent(ViewRoot.java:2535)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at android.view.ViewRoot.handleMessage(ViewRoot.java:1867)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at android.os.Handler.dispatchMessage(Handler.java:99)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at android.os.Looper.loop(Looper.java:130)
10-07 05:46:39.774 E/AndroidRuntime( 9171):     at android.app.Ac

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