如何在Android Studio中解决ClassNotFoundException [英] How to resolve ClassNotFoundException in Android Studio
问题描述
我最近将我的项目从Eclipse迁移到了Android Studio.之前，一切都运行良好，但是最近，当我再次开始使用它时，我无法启动该应用程序.它总是向我显示相同的错误.我没有在应用程序级别上进行任何更改，仍然得到相同的结果.这是我得到的日志
I have recently migrated my project from Eclipse to Android Studio. Earlier everything was working perfectly, but recently when I started working on it again I am not able to launch the application. Its always showing me the same error. I haven't changed anything on application level, still getting the same result. Here is the log I am getting
FATAL EXCEPTION: main
Process: com.example.android, PID: 6977
java.lang.RuntimeException: Unable to instantiate application com.example.android.MobApplication: java.lang.ClassNotFoundException: Didn't find class "com.example.android.MobApplication" on path: DexPathList[[zip file "/data/app/com.example.android-1/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]
at android.app.LoadedApk.makeApplication(LoadedApk.java:601)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4919)
at android.app.ActivityThread.access$1500(ActivityThread.java:144)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1424)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5721)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1029)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:824)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.example.android.MobApplication" on path: DexPathList[[zip file "/data/app/com.example.android-1/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
at android.app.Instrumentation.newApplication(Instrumentation.java:986)
at android.app.LoadedApk.makeApplication(LoadedApk.java:587)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4919)
at android.app.ActivityThread.access$1500(ActivityThread.java:144)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1424)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5721)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1029)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:824)
Suppressed: java.lang.ClassNotFoundException: com.example.android.MobApplication
at java.lang.Class.classForName(Native Method)
at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
... 13 more
Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available
由于我最近切换了我的IDE，因此在解决此问题时遇到了问题.我也尝试了其他答案，但仍然无法解决此错误.请帮助我，以便我可以继续进行我的项目. 任何帮助将是可观的. 谢谢
As I have recently switched my IDE I am facing problems to solve this one. I have also tried the other answers but still unable to solve this error. Kindly help me with this so I can proceed with my project. Any help would be appreciable. Thanks
推荐答案
这可能是 65k方法限制.尝试在链接中使用解决方案.
This might be the 65k methods limit. Try to use the solutions in the link.
对于发现此问题的其他人-@Salman Khan将multiDexEnabled true添加到gradle文件中(如链接中所述)，它解决了该问题.最好阅读全文并按照其中的步骤进行操作.
For others who stumble this issue - @Salman Khan added multiDexEnabled true to the gradle file (as written in the link) and it solved the problem. It would be still better to read the whole article and follow the steps there.
这篇关于如何在Android Studio中解决ClassNotFoundException的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
