本文介绍了java.lang.NoClassDefFoundError的例外的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
大家好我的应用程序越来越此异常
hi all my app is getting this exception
09-03 12:11:10.677: E/AndroidRuntime(31704): FATAL EXCEPTION: main
09-03 12:11:10.677: E/AndroidRuntime(31704): java.lang.NoClassDefFoundError: mPay2Park.zwl.com.StartNow$1
09-03 12:11:10.677: E/AndroidRuntime(31704): at mPay2Park.zwl.com.StartNow.<init>(StartNow.java:449)
09-03 12:11:10.677: E/AndroidRuntime(31704): at java.lang.Class.newInstanceImpl(Native Method)
09-03 12:11:10.677: E/AndroidRuntime(31704): at java.lang.Class.newInstance(Class.java:1319)
09-03 12:11:10.677: E/AndroidRuntime(31704): at android.app.Instrumentation.newActivity(Instrumentation.java:1023)
09-03 12:11:10.677: E/AndroidRuntime(31704): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1882)
09-03 12:11:10.677: E/AndroidRuntime(31704): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1992)
09-03 12:11:10.677: E/AndroidRuntime(31704): at android.app.ActivityThread.access$600(ActivityThread.java:127)
09-03 12:11:10.677: E/AndroidRuntime(31704): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1158)
09-03 12:11:10.677: E/AndroidRuntime(31704): at android.os.Handler.dispatchMessage(Handler.java:99)
09-03 12:11:10.677: E/AndroidRuntime(31704): at android.os.Looper.loop(Looper.java:137)
09-03 12:11:10.677: E/AndroidRuntime(31704): at android.app.ActivityThread.main(ActivityThread.java:4441)
09-03 12:11:10.677: E/AndroidRuntime(31704): at java.lang.reflect.Method.invokeNative(Native Method)
09-03 12:11:10.677: E/AndroidRuntime(31704): at java.lang.reflect.Method.invoke(Method.java:511)
09-03 12:11:10.677: E/AndroidRuntime(31704): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
09-03 12:11:10.677: E/AndroidRuntime(31704): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
09-03 12:11:10.677: E/AndroidRuntime(31704): at dalvik.system.NativeStart.main(Native Method)
和活动中的code这在该行得到的异常
and the code in the activity which get the exception at this lines
OnWheelScrollListener scrolledListener = new OnWheelScrollListener() {
public void onScrollingStarted(WheelView wheel) {
wheelScrolled = true;
}
public void onScrollingFinished(WheelView wheel) {
wheelScrolled = false;
}
};
private OnWheelChangedListener days_changedListener = new OnWheelChangedListener() {
public void onChanged(WheelView wheel, int oldValue, int newValue) {
if (!wheelScrolled) {
ChossenTime = duration_optionsList.get(newValue);
}
}
};
谁能帮助我就可以请，这个程序是可以正常使用，一旦得到这个异常
CAN anyone help me on it please ,this app was working perfectly and once got this exception
推荐答案
更改u'r库文件名以/库，并检查它。
Change u'r library file names to "/libs" and check it.
看起来好像你还没有的jar添加到您的APK正确。检查项目设置。这是你的设置，没有API的一个错误的问题。
Looks like as if you haven't the jar added to your APK correctly. Check your project setup. This is a problem with your setup, not a bug of the API.
的…
这将解释如何解决classdefnotfounderror
this will explain you, how to fix the classdefnotfounderror
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