不幸的是，当导航到另一活动时，myapp已停止。

Question

导航到另一活动时，应用程序不幸停止。

这是我的logcat这个问题的

02-22 11:29:46.728 3103-3103/com.myapp E/AndroidRuntime: FATAL EXCEPTION: main 
Process: PID: 3103 
                   java.lang.IllegalArgumentException: View=com.android.internal.policy.impl.PhoneWindow$DecorView{14885a89 V.E..... R......D 0,0-1026,288} not attached to window manager 
                    at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:393) 
                    at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:319) 
                    at android.view.WindowManagerImpl.removeViewImmediate(WindowManagerImpl.java:84) 
                    at android.app.Dialog.dismissDialog(Dialog.java:341) 
                    at android.app.Dialog.dismiss(Dialog.java:324) 
                    at com.myapp.Login$BackgroundTask.onPostExecute(Login.java:163) 
                    at com.myapp.Login$BackgroundTask.onPostExecute(Login.java:137) 
                    at android.os.AsyncTask.finish(AsyncTask.java:632) 
                    at android.os.AsyncTask.access$600(AsyncTask.java:177) 
                    at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645) 
                    at android.os.Handler.dispatchMessage(Handler.java:102) 
                    at android.os.Looper.loop(Looper.java:135) 
                    at android.app.ActivityThread.main(ActivityThread.java:5234) 
                    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:909) 
                    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:704) 

Answer 1

根本原因就是对话是开放的，那么当用户浏览或旋转屏幕上消失。当后台任务完成时，对话框已被删除，并导致应用程序崩溃。

，请点击这里https://samebug.io/exceptions/27143/java.lang.IllegalArgumentException/viewcomandroidinternalpolicyimplphonewindowdecorvi