如何解决这个NoClassDefFoundError。 我已经在我的应用程序中集成了Zxing,每件事情都很好。然后我已经更新了我的SDK和eclipse插件,当我运行该项目时,日志中会显示更新sdk得到了zxing的NoClassDefFoundError
03-27 17:27:45.173: E/AndroidRuntime(8917): FATAL EXCEPTION: main
03-27 17:27:45.173: E/AndroidRuntime(8917): java.lang.ExceptionInInitializerError
03-27 17:27:45.173: E/AndroidRuntime(8917): at java.lang.Class.newInstanceImpl(Native Method)
03-27 17:27:45.173: E/AndroidRuntime(8917): at java.lang.Class.newInstance(Class.java:1429)
03-27 17:27:45.173: E/AndroidRuntime(8917): at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
03-27 17:27:45.173: E/AndroidRuntime(8917): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577)
03-27 17:27:45.173: E/AndroidRuntime(8917): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
03-27 17:27:45.173: E/AndroidRuntime(8917): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
03-27 17:27:45.173: E/AndroidRuntime(8917): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
03-27 17:27:45.173: E/AndroidRuntime(8917): at android.os.Handler.dispatchMessage(Handler.java:99)
03-27 17:27:45.173: E/AndroidRuntime(8917): at android.os.Looper.loop(Looper.java:123)
03-27 17:27:45.173: E/AndroidRuntime(8917): at android.app.ActivityThread.main(ActivityThread.java:4627)
03-27 17:27:45.173: E/AndroidRuntime(8917): at java.lang.reflect.Method.invokeNative(Native Method)
03-27 17:27:45.173: E/AndroidRuntime(8917): at java.lang.reflect.Method.invoke(Method.java:521)
03-27 17:27:45.173: E/AndroidRuntime(8917): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
03-27 17:27:45.173: E/AndroidRuntime(8917): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
03-27 17:27:45.173: E/AndroidRuntime(8917): at dalvik.system.NativeStart.main(Native Method)
03-27 17:27:45.173: E/AndroidRuntime(8917): Caused by: java.lang.NoClassDefFoundError: com.google.zxing.ResultMetadataType
03-27 17:27:45.173: E/AndroidRuntime(8917): at records.model.CaptureActivity.<clinit>(CaptureActivity.java:94)`
这个工作对我来说,一旦我做了项目>干净。如果它适合你,让其他人陷入麻烦找到它。 (理想情况下,@Kishore会接受这个答案。) – mwengler 2012-07-28 01:22:21
@mwengler感谢您提供干净的提示,它只在我干净的时候为我工作。 @截至感谢您的有用的答案,请你提的“干净”的答案,因为它只用干净的工作对我来说! – 2012-10-30 18:44:56
升级Android SDK后,我遇到了同样的问题。而且这种方法有效。 – flypen 2013-06-30 05:05:14