bug原因

最新推荐文章于 2023-12-27 13:50:35 发布

原创最新推荐文章于 2023-12-27 13:50:35 发布 · 807 阅读

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本文详细解析了Android应用启动过程中遇到的错误信息，包括堆栈跟踪和具体原因，指出是由于manifest文件中缺少活动前缀导致的类加载异常，并提供了修正建议。

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06-22 15:19:53.728: WARN/dalvikvm(6802): threadid=1: thread exiting with uncaught exception (group=0x4001d7c8) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): FATAL EXCEPTION: main 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{cn.eben.overview/activity.TestTabHost}: java.lang.ClassNotFoundException: activity.TestTabHost in loader dalvik.system.PathClassLoader[/data/app/cn.eben.overview-2.apk] 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at android.app.ActivityThread.access$2300(ActivityThread.java:125) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at android.os.Handler.dispatchMessage(Handler.java:99) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at android.os.Looper.loop(Looper.java:123) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at android.app.ActivityThread.main(ActivityThread.java:4627) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at java.lang.reflect.Method.invokeNative(Native Method) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at java.lang.reflect.Method.invoke(Method.java:521) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at dalvik.system.NativeStart.main(Native Method) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): Caused by: java.lang.ClassNotFoundException: activity.TestTabHost in loader dalvik.system.PathClassLoader[/data/app/cn.eben.overview-2.apk] 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at java.lang.ClassLoader.loadClass(ClassLoader.java:573) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at java.lang.ClassLoader.loadClass(ClassLoader.java:532) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577) 06-22 15:19:53.738: ERROR/AndroidRuntime(6802): ... 11 more

此bug的原因是 manifest中， <activity android:name=".activity.TestT"中少了activity前面的 '.'