PM-6552 Fix for App only showing Home (Login) Page after closed after opening Accessibility Settings (#3047)

src/Core/App.xaml.cs

@@ -108,6 +108,8 @@ namespace Bit.App
             }
         }
 
+        public bool HasNavigatedToAccessibilitySettings { get; set; }
+
         protected override Window CreateWindow(IActivationState activationState)
         {
             //When executing from AutofillExternalActivity we don't have "Options" so we need to filter "manually"
@@ -146,6 +148,18 @@ namespace Bit.App
                 _hasNavigatedToAutofillWindow = false;
             }
 
+            // WORKAROUND: This workaround is similar to the one above (_hasNavigatedToAutofillWindow) related with Accessibility Services but this one specifically
+            // is due to trying to open the Accessibility Settings Page for enabled/disabling
+            if(HasNavigatedToAccessibilitySettings)
+            {
+                homePage.PerformNavigationOnAccountChangedOnLoad = true;
+                // this is needed because when coming back from AutofillWindow OnResume won't be called and we need this flag
+                // so that void Navigate(NavigationTarget navTarget, INavigationParams navParams) doesn't enqueue the navigation
+                // and it performs it directly.
+                _isResumed = true; 
+                HasNavigatedToAccessibilitySettings = false;
+            }
+
             //If we have an existing MainAppWindow we can use that one
             var mainAppWindow = Windows.OfType<MainAppWindow>().FirstOrDefault();
             if (mainAppWindow != null)

src/Core/Pages/Settings/AutofillSettingsPageViewModel.android.cs

@@ -158,6 +158,11 @@ namespace Bit.App.Pages
                 await MainThread.InvokeOnMainThreadAsync(() => TriggerPropertyChanged(nameof(UseAccessibility)));
                 return;
             }
+
+#if ANDROID
+            // WORKAROUND: Set workaround property to avoid an issue when launching the app after being in Accessibility Settings. More Info on App.xaml.cs
+            ((App)Application.Current).HasNavigatedToAccessibilitySettings = true;
+#endif
             _deviceActionService.OpenAccessibilitySettings();
         }