android - Classcastexception随机发生

Question

我在市场上有一个应用程序，许多用户报告说该应用程序经常随机崩溃。我正在尝试解决此问题，但无法完全理解日志。这是日志的摘录，

04-16 13:16:32.407 E/AndroidRuntime( 9237): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.maya.mobile.chiki/com.maya.mobile.chiki.tabview.Tabs3}: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.maya.mobile.chiki/com.maya.mobile.chiki.featured.FeaturedView}: java.lang.ClassCastException: android.view.AbsSavedState$1
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2496)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.ActivityThread.access$2200(ActivityThread.java:119)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.os.Handler.dispatchMessage(Handler.java:99)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.os.Looper.loop(Looper.java:123)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.ActivityThread.main(ActivityThread.java:4363)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at java.lang.reflect.Method.invokeNative(Native Method)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at java.lang.reflect.Method.invoke(Method.java:521)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at dalvik.system.NativeStart.main(Native Method)
04-16 13:16:32.407 E/AndroidRuntime( 9237): Caused by: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.maya.mobile.chiki/com.maya.mobile.chiki.featured.FeaturedView}: java.lang.ClassCastException: android.view.AbsSavedState$1
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2496)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.ActivityThread.startActivityNow(ActivityThread.java:2335)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:127)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:339)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:648)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.widget.TabHost.setCurrentTab(TabHost.java:320)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at com.maya.mobile.chiki.tabview.CustomTabHost.setCurrentTab(CustomTabHost.java:43)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.widget.TabHost.addTab(TabHost.java:213)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at com.maya.mobile.chiki.tabview.Tabs3.doCreateTabs(Tabs3.java:180)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at com.maya.mobile.chiki.tabview.Tabs3.onCreate(Tabs3.java:149)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2459)
04-16 13:16:32.407 E/AndroidRuntime( 9237): ... 11 more
04-16 13:16:32.407 E/AndroidRuntime( 9237): Caused by: java.lang.ClassCastException: android.view.AbsSavedState$1
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.widget.AbsSpinner.onRestoreInstanceState(AbsSpinner.java:440)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.view.View.dispatchRestoreInstanceState(View.java:5940)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.view.ViewGroup.dispatchThawSelfOnly(ViewGroup.java:1140)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.widget.AdapterView.dispatchRestoreInstanceState(AdapterView.java:767)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:1127)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:1127)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:1127)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:1127)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.view.View.restoreHierarchyState(View.java:5919)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at com.android.internal.policy.impl.PhoneWindow.restoreHierarchyState(PhoneWindow.java:1454)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.Activity.onRestoreInstanceState(Activity.java:835)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.Activity.performRestoreInstanceState(Activity.java:807)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1096)
04-16 13:16:32.407 E/AndroidRuntime( 9237): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2473)
04-16 13:16:32.407 E/AndroidRuntime( 9237): ... 22 more

我从我的一位用户那里得到了这个日志。

这方面的任何帮助都会非常有帮助。

问候，哈里

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我终于能够通过设置有 50MB 内存并以 GSM 网络速度运行的模拟器重现此问题。问题似乎是因为历史记录被清除，因此应用程序已经拥有的数据丢失了。虽然不确定我该如何处理。有什么帮助吗？？？

Answer 1

我的猜测是:

• 您有一个包含 TabHost 的 Activity (很好)
• 那些标签的内容是 Activity (坏)
• 您在这些 Activity 中的某些小部件之间复制了 android:id 值(致命)