统计下android.app.LoadedApk.makeApplication报错的原因_at android.app.loadedapk.makeapplication(loadedapk-优快云博客

本文记录了一次在Android应用启动过程中遇到的MyApplication实例化失败问题，并给出了通过更改目标Android版本解决了NullPointerException异常的具体过程。

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08-07 09:02:28.359: E/AndroidRuntime(2769): FATAL EXCEPTION: main
08-07 09:02:28.359: E/AndroidRuntime(2769): java.lang.RuntimeException: Unable to instantiate application com.scdhkj.phone.activity.MyApplication: java.lang.NullPointerException
08-07 09:02:28.359: E/AndroidRuntime(2769): at android.app.LoadedApk.makeApplication(LoadedApk.java:482)
08-07 09:02:28.359: E/AndroidRuntime(2769): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:3970)
08-07 09:02:28.359: E/AndroidRuntime(2769): at android.app.ActivityThread.access$1300(ActivityThread.java:126)
08-07 09:02:28.359: E/AndroidRuntime(2769): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1188)
08-07 09:02:28.359: E/AndroidRuntime(2769): at android.os.Handler.dispatchMessage(Handler.java:99)
08-07 09:02:28.359: E/AndroidRuntime(2769): at android.os.Looper.loop(Looper.java:137)
08-07 09:02:28.359: E/AndroidRuntime(2769): at android.app.ActivityThread.main(ActivityThread.java:4456)
08-07 09:02:28.359: E/AndroidRuntime(2769): at java.lang.reflect.Method.invokeNative(Native Method)
08-07 09:02:28.359: E/AndroidRuntime(2769): at java.lang.reflect.Method.invoke(Method.java:511)
08-07 09:02:28.359: E/AndroidRuntime(2769): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:787)
08-07 09:02:28.359: E/AndroidRuntime(2769): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:554)
08-07 09:02:28.359: E/AndroidRuntime(2769): at dalvik.system.NativeStart.main(Native Method)
08-07 09:02:28.359: E/AndroidRuntime(2769): Caused by: java.lang.NullPointerException
08-07 09:02:28.359: E/AndroidRuntime(2769): at android.app.LoadedApk.initializeJavaContextClassLoader(LoadedApk.java:362)
08-07 09:02:28.359: E/AndroidRuntime(2769): at android.app.LoadedApk.getClassLoader(LoadedApk.java:305)
08-07 09:02:28.359: E/AndroidRuntime(2769): at android.app.LoadedApk.makeApplication(LoadedApk.java:474)
08-07 09:02:28.359: E/AndroidRuntime(2769): ... 11 more