在加载屏幕上，如果方向更改，则应用程序崩溃

时间：2015-12-22 09:25:03

标签： android xamarin mvvmcross

我在我的应用程序的登录界面遇到一些问题，我的应用程序同时支持纵向和横向，在每种情况下它都运行良好但是当我点击登录按钮并在加载屏幕上我更改方向然后应用程序崩溃...... 我不知道问题出在哪里 这是错误

  12-22 14:29:51.559 W/Xamarin.Insights(11215): java.lang.IllegalArgumentException: View not attached to window manager
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:406)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:308)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at android.view.WindowManagerImpl.removeView(WindowManagerImpl.java:79)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at android.app.Dialog.dismissDialog(Dialog.java:323)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at android.app.Dialog.dismiss(Dialog.java:306)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at mono.java.lang.RunnableImplementor.n_run(Native Method)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at mono.java.lang.RunnableImplementor.run(RunnableImplementor.java:29)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at android.os.Handler.handleCallback(Handler.java:730)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at android.os.Handler.dispatchMessage(Handler.java:92)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at android.os.Looper.loop(Looper.java:137)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at android.app.ActivityThread.main(ActivityThread.java:5103)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at java.lang.reflect.Method.invokeNative(Native Method)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at java.lang.reflect.Method.invoke(Method.java:525)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
12-22 14:29:51.559 W/Xamarin.Insights(11215):   at dalvik.system.NativeStart.main(Native Method)
12-22 14:29:51.656 D/dalvikvm(11215): GC_CONCURRENT freed 536K, 41% free 4454K/7484K, paused 2ms+2ms, total 52ms
An unhandled exception occured.

12-22 14:29:53.584 E/mono-rt (11215): [ERROR] FATAL UNHANDLED EXCEPTION: Java.Lang.IllegalArgumentException: View not attached to window manager
12-22 14:29:53.584 E/mono-rt (11215):   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /Users/builder/data/lanes/2098/3efa14c4/source/mono/external/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:143 
12-22 14:29:53.584 E/mono-rt (11215):   at Android.Runtime.JNIEnv.CallVoidMethod (IntPtr jobject, IntPtr jmethod) [0x00062] in /Users/builder/data/lanes/2098/3efa14c4/source/monodroid/src/Mono.Android/src/Runtime/JNIEnv.g.cs:554 
12-22 14:29:53.584 E/mono-rt (11215):   at Android.App.Dialog.Dismiss () [0x00043] in /Users/builder/data/lanes/2098/3efa14c4/source/monodroid/src/Mono.Android/platforms/android-23/src/generated/Android.App.Dialog.cs:572 
12-22 14:29:53.584 E/mono-rt (11215):   at AndroidHUD.AndHUD+<DismissCurrent>c__AnonStorey4.<>m__0 () [0x0001c] in <filename unknown>:0 
12-22 14:29:53.584 E/mono-rt (11215):   at AndroidHUD.AndHUD+<DismissCurrent>c__AnonStorey4.<>m__1 (System.Object state) [0x00000] in <filename unknown>:0 
12-22 14:29:53.584 E/mono-rt (11215):   at Android.App.SyncContext+<Send>c__AnonStorey1.<>m__0 () [0x00000] in /Users/builder/data/lanes/2098/3efa14c4/source/monodroid/src/Mono.Android/src/Android.App/SyncContext.cs:32 
12-22 14:29:53.584 E/mono-rt (11215):   at Java.Lang.Thread+RunnableImplementor.Run () [0x0000b] in /Users/builder/data/lanes/2098/3efa14c4/source/monodroid/src/Mono.Android/src/Java.Lang/Thread.cs:36 
12-22 14:29:53.584 E/mono-rt (11215):   at Java.Lang.IRunnableInvoker.n_Run (IntPtr jnienv, IntPtr native__this) [0x00009] in /Users/builder/data/lanes/2098/3efa14c4/source/monodroid/src/Mono.Android/platforms/android-23/src/generated/Java.Lang.IRunnable.cs:71 
12-22 14:29:53.584 E/mono-rt (11215):   at (wrapper dynamic-method) System.Object:2491c231-85ea-488a-93d6-5c9d0adcdbd9 (intptr,intptr)
12-22 14:29:53.584 E/mono-rt (11215):   --- End of managed exception stack trace ---
12-22 14:29:53.584 E/mono-rt (11215): java.lang.IllegalArgumentException: View not attached to window manager
12-22 14:29:53.584 E/mono-rt (11215):   at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:406)
12-22 14:29:53.584 E/mono-rt (11215):   at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:308)
12-22 14:29:53.584 E/mono-rt (11215):   at android.view.WindowManagerImpl.removeView(WindowManagerImpl.java:79)
12-22 14:29:53.584 E/mono-rt (11215):   at android.app.Dialog.dismissDialog(Dialog.java:323)
12-22 14:29:53.584 E/mono-rt (11215):   at android.app.Dialog.dismiss(Dialog.java:306)
12-22 14:29:53.584 E/mono-rt (11215):   at mono.java.lang.RunnableImplementor.n_run(Native Method)
12-22 14:29:53.584 E/mono-rt (11215):   at mono.java.lang.RunnableImplementor.run(RunnableImplementor.java:29)
12-22 14:29:53.584 E/mono-rt (11215):   at android.os.Handler.handleCallback(Handler.java:730)
12-22 14:29:53.584 E/mono-rt (11215):   at android.os.Handler.dispatchMessage(Handler.java:92)
12-22 14:29:53.584 E/mono-rt (11215):   at android.os.Looper.loop(Looper.java:137)
12-22 14:29:53.584 E/mono-rt (11215):   at android.app.ActivityThread.main(ActivityThread.java:5103)
12-22 14:29:53.584 E/mono-rt (11215):   at java.lang.reflect.Method.invokeNative(Native Method)
12-22 14:29:53.584 E/mono-rt (11215):   at java.lang.reflect.Method.invoke(Method.java:525)
12-22 14:29:53.584 E/mono-rt (11215):   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
12-22 14:29:53.584 E/mono-rt (11215):   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
12-22 14:29:53.584 E/mono-rt (11215):   at dalvik.system.NativeStart.main(Native Method)
12-22 14:29:53.584 E/mono-rt (11215): 
12-22 14:29:53.622 W/Mono    (11215): The request to load the assembly System.Core v4.0.0.0 was remapped to v2.0.5.0
12-22 14:29:53.640 D/Mono    (11215): Unloading image System.Core.dll [0x728112e8].
12-22 14:29:53.642 D/Mono    (11215): Image addref System.Core[0x7435b280] -> System.Core.dll[0x6f1ab1f0]: 8
12-22 14:29:53.650 W/Mono    (11215): The request to load the assembly System.Core v4.0.0.0 was remapped to v2.0.5.0
12-22 14:29:53.654 D/Mono    (11215): Unloading image System.Core.dll [0x727f41e0].
12-22 14:29:53.656 D/Mono    (11215): Image addref System.Core[0x7435b280] -> System.Core.dll[0x6f1ab1f0]: 9
In mgmain JNI_OnLoad

谢谢

2 个答案:

答案 0 :(得分：1)

在您的Manifest.xml文件中（在您的活动类中）使用这些代码，然后数据在两种模式（横向或纵向）中都不会改变。

android:configChanges="orientation|keyboard|keyboardHidden|screenSize|screenLayout|uiMode

或者简单地使用这些

android:configChanges="orientation|screenSize|screenLayout"

答案 1 :(得分：0)

java.lang.IllegalArgumentException: View not attached to window manager

意味着你的Progress dialog没有完全被解雇。因此，您需要检查其null是否显示以及是否显示。同时使用try....catch语句。

try {
    if ((myDialog!= null) && myDialog.isShowing()) {
        myDialog.dismiss();
    }
} catch (final IllegalArgumentException e) {
    // Handle or log or ignore
} catch (final Exception e) {
    // Handle or log or ignore
} finally {
    myDialog = null;
}
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