从空白屏幕上的空白屏幕推入打开时，Android应用停止

问题描述

当我收到推送通知并单击它时，我的应用程序打开并在空白屏幕上停止，只有空白工具栏。

它并不总是发生，仅当应用长时间在后台运行且未被系统杀死时才会发生。单击正在运行的应用程序并选择我的应用程序仅有助于继续加载

当应用终止运行并从寒冷中打开时，它可以正常工作。当应用程序最近合拢时，它也可以正常工作，并可以通过推送打开

谢谢

Activity attributes:

[MvxActivityPresentation]
    [Activity(
        AlwaysRetainTaskState = true,Label = "MyPushApp",LaunchMode = LaunchMode.Singletop,Theme = "@style/Theme.MyTheme",Screenorientation = Screenorientation.User)]
    public class MainActivity : ExtendedDrawerActivity<MenuVM>,ITabletActivity

Activity OnResume():

protected override void OnResume()
        {
            base.OnResume();

            if (viewmodel.InitializeTask.IsSuccessfullyCompleted && CheckIntentForPushNotification())
            {
                viewmodel.PushReceived = false;
                OpenPushNotification();
            }

CheckIntentForPushNotification():

protected bool CheckIntentForPushNotification()
        {
            return Intent != null && Intent.Extras != null && (Intent.HasExtra(MyFirebaseMessagingService.NotificationBodyTag) || Intent.HasExtra(CheckNotificationsService.localnotificationTag));
        }

OpenPushNotification():

private void OpenPushNotification()
        {
            if (viewmodel.PushReceived || Intent == null)
            {
                _log.Info("viewmodel.PushReceived || Intent == null");
                return;
            }

            if (Intent.HasExtra(MyFirebaseMessagingService.NotificationBodyTag))
            {
                string notificationText = Intent.GetStringExtra(MyFirebaseMessagingService.NotificationBodyTag);

                string objIds = Intent.GetStringExtra(MyFirebaseMessagingService.ObjectIdTag);
                string objType = Intent.GetStringExtra(MyFirebaseMessagingService.ObjectTypeTag);
                string objSubtype = Intent.GetStringExtra(MyFirebaseMessagingService.ObjectSubtypeTag);
                string moduleType = Intent.GetStringExtra(MyFirebaseMessagingService.ModuleTypeTag);
                string notificationType = Intent.GetStringExtra(MyFirebaseMessagingService.NotificationTypeTag);
                string folderId = Intent.GetStringExtra(MyFirebaseMessagingService.FolderIdTag);

                List<int> ids = objIds?.Split(',')?.Select(id => int.Parse(id))?.ToList();

                Mvx.IoCProvider.Resolve<IMvxMessenger>().Publish(new MainPushMessage(this)
                {
                    Text = notificationText,AppLaunchedByNotification = _startWithNotification,NotificationTypeId = string.IsNullOrEmpty(notificationType) ? 0 : Int32.Parse(notificationType),FolderId = string.IsNullOrEmpty(folderId) ? 0 : Int32.Parse(folderId),ObjectIds = ids ?? new List<int>(),ObjectType = objType,ObjectSubtype = objSubtype,});
            }

            if (Intent.HasExtra(CheckNotificationsService.localnotificationTag))
            {
                Mvx.IoCProvider.Resolve<IMvxMessenger>().Publish(new MainPushMessage(this)
                {
                    Islocalnotification = true
                });
            }

            Intent = null;
        }

Activity OnNewIntent():

protected override void OnNewIntent(Intent intent)
        {
            base.OnNewIntent(intent);

            Intent = intent;
        }

解决方法

暂无找到可以解决该程序问题的有效方法，小编努力寻找整理中！

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android android mvvmcross xamarin.android