Reconnect when resuming

Author: golf1052

Signal-Windows/App.xaml.cs

@@ -41,6 +41,7 @@ public App()
         {
             this.InitializeComponent();
             this.Suspending += OnSuspending;
+            this.Resuming += App_Resuming;
             try
             {
                 Init = Task.Run(() =>
@@ -188,5 +189,18 @@ private async void OnSuspending(object sender, SuspendingEventArgs e)
             //TODO: Anwendungszustand speichern und alle Hintergrundaktivitäten beenden
             deferral.Complete();
         }
+
+        private async void App_Resuming(object sender, object e)
+        {
+            Debug.WriteLine("Resuming app");
+            if (ViewModels.MainPageInstance != null)
+            {
+                await ViewModels.MainPageInstance.Init();
+            }
+            else
+            {
+                Debug.WriteLine("We can't resume");
+            }
+        }
     }
 }

Signal-Windows/ViewModels/MainPageViewModel.cs

@@ -123,6 +123,7 @@ public async Task OnNavigatedTo()
 
         public async Task Init()
         {
+            App.MainPageActive = true;
             Debug.WriteLine("Init lock wait");
             using (await ActionInProgress.LockAsync(CancelSource.Token))
             {