项目已部署就报空指针

[MrStevene]

java.lang.RuntimeException: Unable to instantiate application android.app.Application:

java.lang.NullPointerException
at android.app.LoadedApk.makeApplication(LoadedApk.java:504)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4364)
at android.app.ActivityThread.access$1300(ActivityThread.java:141)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1294)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5039)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException
at android.app.LoadedApk.initializeJavaContextClassLoader(LoadedApk.java:379)
at android.app.LoadedApk.getClassLoader(LoadedApk.java:322)
at android.app.LoadedApk.makeApplication(LoadedApk.java:496

[MrStevene]

项目一部署就空指针，但是还不影响正常运行

[DrSmart]

看看你自己的Application类有什么问题没，换个手机试试

[阿钚]

我也遇到了这个问题。好像跟android版本有关。至今没找到解决办法。

[lichong951]

07-04 13:43:57.220: E/AndroidRuntime(691): FATAL EXCEPTION: main 07-04 13:43:57.220: E/AndroidRuntime(691): java.lang.RuntimeException: Unable to instantiate application net.peixun.main.MyApplication: java.lang.NullPointerException 07-04 13:43:57.220: E/AndroidRuntime(691): at android.app.LoadedApk.makeApplication(LoadedApk.java:501) 07-04 13:43:57.220: E/AndroidRuntime(691): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4124) 07-04 13:43:57.220: E/AndroidRuntime(691): at android.app.ActivityThread.access$1300(ActivityThread.java:130) 07-04 13:43:57.220: E/AndroidRuntime(691): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1255) 07-04 13:43:57.220: E/AndroidRuntime(691): at android.os.Handler.dispatchMessage(Handler.java:99) 07-04 13:43:57.220: E/AndroidRuntime(691): at android.os.Looper.loop(Looper.java:137) 07-04 13:43:57.220: E/AndroidRuntime(691): at android.app.ActivityThread.main(ActivityThread.java:4745) 07-04 13:43:57.220: E/AndroidRuntime(691): at java.lang.reflect.Method.invokeNative(Native Method) 07-04 13:43:57.220: E/AndroidRuntime(691): at java.lang.reflect.Method.invoke(Method.java:511) 07-04 13:43:57.220: E/AndroidRuntime(691): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:810) 07-04 13:43:57.220: E/AndroidRuntime(691): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:577) 07-04 13:43:57.220: E/AndroidRuntime(691): at dalvik.system.NativeStart.main(Native Method) 07-04 13:43:57.220: E/AndroidRuntime(691): Caused by: java.lang.NullPointerException 07-04 13:43:57.220: E/AndroidRuntime(691): at android.app.LoadedApk.initializeJavaContextClassLoader(LoadedApk.java:377) 07-04 13:43:57.220: E/AndroidRuntime(691): at android.app.LoadedApk.getClassLoader(LoadedApk.java:320) 07-04 13:43:57.220: E/AndroidRuntime(691): at android.app.LoadedApk.makeApplication(LoadedApk.java:493) 07-04 13:43:57.220: E/AndroidRuntime(691): ... 11 more 每次把调整过的项目运行在真机里就报这个异常。请问各位如何解决？？

[书剑两无成]

这个你就不懂了吧，让我来告诉你，4.0以上的要在模拟器上退出原来运行的APP再install，就不会出这样的异常了！！！