运行Android项目报如下错误 06-08 14:08:52.370 12415-12415/com.dobest E/AndroidRuntime: FATAL EXCEPTION: main Process: com.dobest, PID: 12415 java.lang.RuntimeException: Unable to instantiate application com.dobest.common.AppContext: java.lang.IllegalAccessException: void com.dobest.common.AppContext.<init>() is not accessible from java.lang.Class<android.app.Instrumentation> at android.app.LoadedApk.makeApplication(LoadedApk.java:806) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5407) at android.app.ActivityThread.-wrap2(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1568) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:160) at android.app.ActivityThread.main(ActivityThread.java:6200) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:874) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:764) Caused by: java.lang.IllegalAccessException: void com.dobest.common.AppContext.<init>() is not accessible from java.lang.Class<android.app.Instrumentation> at java.lang.Class.newInstance(Native Method) at android.app.Instrumentation.newApplication(Instrumentation.java:1008) at android.app.Instrumentation.newApplication(Instrumentation.java:993) at android.app.LoadedApk.makeApplication(LoadedApk.java:800) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5407) at android.app.ActivityThread.-wrap2(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1568) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:160) at android.app.ActivityThread.main(ActivityThread.java:6200) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:874) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:764)
纠结了很长时间才发现原来是自定义的appcontext 中一个无参构造方法写成了protected
protected AppContext() {}将其改为public 就可以正常使用了。另外如果方法定位为private 也是不能正常运行。
