Question

06-26 17:07:09.898: E/AndroidRuntime(380): FATAL EXCEPTION: main
06-26 17:07:09.898: E/AndroidRuntime(380): java.lang.NoClassDefFoundError: org.mythrii.email.Mail
06-26 17:07:09.898: E/AndroidRuntime(380):  at org.mythrii.email.Email$1.onClick(Email.java:19)
06-26 17:07:09.898: E/AndroidRuntime(380):  at android.view.View.performClick(View.java:2485)
06-26 17:07:09.898: E/AndroidRuntime(380):  at android.view.View$PerformClick.run(View.java:9080)
06-26 17:07:09.898: E/AndroidRuntime(380):  at android.os.Handler.handleCallback(Handler.java:587)
06-26 17:07:09.898: E/AndroidRuntime(380):  at android.os.Handler.dispatchMessage(Handler.java:92)
06-26 17:07:09.898: E/AndroidRuntime(380):  at android.os.Looper.loop(Looper.java:123)
06-26 17:07:09.898: E/AndroidRuntime(380):  at android.app.ActivityThread.main(ActivityThread.java:3683)
06-26 17:07:09.898: E/AndroidRuntime(380):  at java.lang.reflect.Method.invokeNative(Native Method)
06-26 17:07:09.898: E/AndroidRuntime(380):  at java.lang.reflect.Method.invoke(Method.java:507)
06-26 17:07:09.898: E/AndroidRuntime(380):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
06-26 17:07:09.898: E/AndroidRuntime(380):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
06-26 17:07:09.898: E/AndroidRuntime(380):  at dalvik.system.NativeStart.main(Native Method)

Answer 1

此问题的解决方案是在项目目录中创建名为“libs”的文件夹，并在那里复制所有外部jar文件。

有关详细说明，请参阅此链接。

http://tools.android.com/recent/dealingwithdependenciesinandroidprojects

Answer 2

我认为你所面对的是你的代码编译，但@运行时它会崩溃。我如何解决这个问题，在eclipse中的项目中创建一个libs文件夹（如果它不存在）并在org.mythrii.email.Mail文件夹中添加包含libs类的jar文件，然后运行你的应用程序

请任何人在logcat中解释这个错误

2 个答案: