PM-7052 WIP fix theme change on iOS Autofill extension (with ClipLogger activated)

src/Core/Services/Logging/ClipLogger.cs

@@ -1,66 +1,66 @@
-//using System.Runtime.CompilerServices;
-//using System.Text;
-//using Bit.Core.Abstractions;
+using System.Runtime.CompilerServices;
+using System.Text;
+using Bit.Core.Abstractions;
 
-//#if IOS
-//using UIKit;
-//#endif
+#if IOS
+using UIKit;
+#endif
 
-//namespace Bit.Core.Services
-//{
-//    /// <summary>
-//    /// This logger can be used to help debug iOS extensions where we cannot use the .NET debugger yet
-//    /// so we can use this that copies the logs to the clipboard so one
-//    /// can paste them and analyze its output.
-//    /// </summary>
-//    public class ClipLogger : ILogger
-//    {
-//        private static readonly StringBuilder _currentBreadcrumbs = new StringBuilder();
+namespace Bit.Core.Services
+{
+    /// <summary>
+    /// This logger can be used to help debug iOS extensions where we cannot use the .NET debugger yet
+    /// so we can use this that copies the logs to the clipboard so one
+    /// can paste them and analyze its output.
+    /// </summary>
+    public class ClipLogger : ILogger
+    {
+        private static readonly StringBuilder _currentBreadcrumbs = new StringBuilder();
 
-//        static ILogger _instance;
-//        public static ILogger Instance
-//        {
-//            get
-//            {
-//                if (_instance is null)
-//                {
-//                    _instance = new ClipLogger();
-//                }
-//                return _instance;
-//            }
-//        }
+        static ILogger _instance;
+        public static ILogger Instance
+        {
+            get
+            {
+                if (_instance is null)
+                {
+                    _instance = new ClipLogger();
+                }
+                return _instance;
+            }
+        }
 
-//        protected ClipLogger()
-//        {
-//        }
+        protected ClipLogger()
+        {
+        }
 
-//        public static void Log(string breadcrumb)
-//        {
-//            _currentBreadcrumbs.AppendLine($"{DateTime.Now.ToShortTimeString()}: {breadcrumb}");
-//#if IOS
-//            UIPasteboard.General.String = _currentBreadcrumbs.ToString();
-//#endif
-//        }
+        public static void Log(string breadcrumb)
+        {
+            _currentBreadcrumbs.AppendLine($"{DateTime.Now.ToShortTimeString()}: {breadcrumb}");
+#if IOS
+            MainThread.BeginInvokeOnMainThread(() => UIPasteboard.General.String = _currentBreadcrumbs.ToString());
+#endif
+        }
 
-//        public void Error(string message, IDictionary<string, string> extraData = null, [CallerMemberName] string memberName = "", [CallerFilePath] string sourceFilePath = "", [CallerLineNumber] int sourceLineNumber = 0)
-//        {
-//            var classAndMethod = $"{Path.GetFileNameWithoutExtension(sourceFilePath)}.{memberName}";
-//            var filePathAndLineNumber = $"{Path.GetFileName(sourceFilePath)}:{sourceLineNumber}";
-//            var properties = new Dictionary<string, string>
-//            {
-//                ["File"] = filePathAndLineNumber,
-//                ["Method"] = memberName
-//            };
+        public void Error(string message, IDictionary<string, string> extraData = null, [CallerMemberName] string memberName = "", [CallerFilePath] string sourceFilePath = "", [CallerLineNumber] int sourceLineNumber = 0)
+        {
+            var classAndMethod = $"{Path.GetFileNameWithoutExtension(sourceFilePath)}.{memberName}";
+            var filePathAndLineNumber = $"{Path.GetFileName(sourceFilePath)}:{sourceLineNumber}";
+            var properties = new Dictionary<string, string>
+            {
+                ["File"] = filePathAndLineNumber,
+                ["Method"] = memberName
+            };
 
-//            Log(message ?? $"Error found in: {classAndMethod}, {filePathAndLineNumber}");
-//        }
+            Log(message ?? $"Error found in: {classAndMethod}, {filePathAndLineNumber}");
+        }
 
-//        public void Exception(Exception ex) => Log(ex?.ToString());
+        public void Exception(Exception ex) => Log(ex?.ToString());
 
-//        public Task InitAsync() => Task.CompletedTask;
+        public Task InitAsync() => Task.CompletedTask;
 
-//        public Task<bool> IsEnabled() => Task.FromResult(true);
+        public Task<bool> IsEnabled() => Task.FromResult(true);
 
-//        public Task SetEnabled(bool value) => Task.CompletedTask;
-//    }
-//}
+        public Task SetEnabled(bool value) => Task.CompletedTask;
+    }
+}

src/Core/Services/Logging/LoggerHelper.cs

@@ -21,7 +21,8 @@ namespace Bit.Core.Services
 #if !FDROID
                 // just in case the caller throws the exception in a moment where the logger can't be resolved
                 // we need to track the error as well
-                Microsoft.AppCenter.Crashes.Crashes.TrackError(ex);
+                //Microsoft.AppCenter.Crashes.Crashes.TrackError(ex);
+                ClipLogger.Log(ex?.ToString());
 #endif
             }
         }

src/Core/Utilities/ThemeManager.cs

@@ -154,7 +154,11 @@ namespace Bit.App.Utilities
         // Currently on iOS when resuming the app after showing a System "Share/Sheet" (or other similar UI)
         // MAUI reports the incorrect Theme. To avoid this we are fetching the current OS Theme directly on iOS from the iOS API.
         // MAUI Issue: https://github.com/dotnet/maui/issues/19614
+#if IOS
+        public static bool OsDarkModeEnabled(UITraitCollection? traitCollection = null)
+#else
         public static bool OsDarkModeEnabled()
+#endif
         {
 #if UT
             return false;
@@ -167,8 +171,19 @@ namespace Bit.App.Utilities
             if (!OperatingSystem.IsIOSVersionAtLeast(13, 0))
                 return false;
 
-            var traits = InvokeOnMainThread(() => WindowStateManager.Default.GetCurrentUIViewController()?.TraitCollection) ?? UITraitCollection.CurrentTraitCollection;
-            var uiStyle = traits.UserInterfaceStyle;
+            ClipLogger.Log($"TC, UIStyle: {traitCollection?.UserInterfaceStyle}");
+            var uiStyle = traitCollection?.UserInterfaceStyle;
+            if (traitCollection is null)
+            {
+                ClipLogger.Log($"TC null getting trait collection from wsm");
+                var traits = InvokeOnMainThread(() =>
+                {
+                    return WindowStateManager.Default.GetCurrentUIViewController()?.TraitCollection;
+                }) ?? UITraitCollection.CurrentTraitCollection;
+                uiStyle = traits.UserInterfaceStyle;
+            }
+
+            ClipLogger.Log($"UIStyle: {uiStyle}");
 
             requestedTheme = uiStyle switch
             {

src/iOS.Autofill/CredentialProviderViewController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Runtime.CompilerServices;
 using System.Threading.Tasks;
 using AuthenticationServices;
 using Bit.App.Abstractions;
@@ -47,6 +48,10 @@ namespace Bit.iOS.Autofill
         {
             try
             {
+                ClipLogger.Log($"[ViewDidLoad]");
+
+                ClipLogger.Log($"ViewDidLoad: {TraitCollection?.UserInterfaceStyle}");
+
                 InitAppIfNeededAsync().FireAndForget(ex => OnProvidingCredentialException(ex));
 
                 base.ViewDidLoad();
@@ -149,18 +154,6 @@ namespace Bit.iOS.Autofill
             }
         }
 
-        //public override async void ProvideCredentialWithoutUserInteraction(ASPasswordCredentialIdentity credentialIdentity)
-        //{
-        //    try
-        //    {
-        //        await ProvideCredentialWithoutUserInteractionAsync(credentialIdentity);
-        //    }
-        //    catch (Exception ex)
-        //    {
-        //        OnProvidingCredentialException(ex);
-        //    }
-        //}
-
         [Export("prepareInterfaceToProvideCredentialForRequest:")]
         public override async void PrepareInterfaceToProvideCredential(IASCredentialRequest credentialRequest)
         {
@@ -194,18 +187,6 @@ namespace Bit.iOS.Autofill
             }
         }
 
-        //public override async void PrepareInterfaceToProvideCredential(ASPasswordCredentialIdentity credentialIdentity)
-        //{
-        //    try
-        //    {
-        //        await PrepareInterfaceToProvideCredentialAsync(c => c.PasswordCredentialIdentity = credentialIdentity);
-        //    }
-        //    catch (Exception ex)
-        //    {
-        //        OnProvidingCredentialException(ex);
-        //    }
-        //}
-
         public override async void PrepareInterfaceForExtensionConfiguration()
         {
             try
@@ -546,7 +527,45 @@ namespace Bit.iOS.Autofill
                 _nfcSession, out _nfcDelegate, out _accountsManager);
         }
 
-        private async Task InitAppIfNeededAsync()
+        public override void ViewIsAppearing(bool animated)
+        {
+            base.ViewIsAppearing(animated);
+
+            if (!UIDevice.CurrentDevice.CheckSystemVersion(17, 0))
+            {
+                return;
+            }
+
+            ClipLogger.Log($"ViewIsAppearing: {TraitCollection?.UserInterfaceStyle}");
+
+            var appOptions = new AppOptions { IosExtension = true };
+            var app = new App.App(appOptions);
+            ThemeManager.SetTheme(app.Resources);
+
+            iOSCoreHelpers.AppearanceAdjustments();
+
+            View.BackgroundColor = UIColor.SystemBackground;
+            Logo.Image = UIImage.FromFile("splash_logo");
+            View.SetNeedsLayout();
+
+            ClipLogger.Log($"Window null: {View.Window is null}");
+
+            //View.Window?.UpdateTraitsIfNeeded();
+
+            ServiceContainer.Resolve<IMessagingService>().Send("update_traits");
+
+
+            //((IUITraitChangeObservable)this).RegisterForTraitChanges<UITraitUserInterfaceStyle>((env, traits) =>
+            //{
+            //    MainThread.BeginInvokeOnMainThread(() =>
+            //    {
+            //        View.BackgroundColor = UIColor.SystemBackground;
+            //        Logo.Image = UIImage.FromFile("splash_logo");
+            //    });
+            //});
+        }
+
+        private async Task InitAppIfNeededAsync([CallerMemberName] string memberName = "")
         {
             if (ServiceContainer.RegisteredServices == null || ServiceContainer.RegisteredServices.Count == 0)
             {
@@ -554,6 +573,13 @@ namespace Bit.iOS.Autofill
             }
 
             await _stateService.Value.ReloadStateAsync();
+            ClipLogger.Log($"InitAppIfNeeded {memberName}");
+            //if (_viewIsAppeared)
+            //{
+            //    var app = new App.App(new AppOptions { IosExtension = true });
+            //    ThemeManager.SetTheme(app.Resources);
+            //    iOSCoreHelpers.AppearanceAdjustments();
+            //}
         }
 
         private void LaunchHomePage()

src/iOS.Autofill/ListItems/HeaderItemView.cs

@@ -1,6 +1,7 @@
 using Bit.Core.Services;
 using Bit.iOS.Core.Utilities;
 using Foundation;
+using Microsoft.Maui.ApplicationModel;
 using ObjCRuntime;
 using UIKit;
 
@@ -50,6 +51,22 @@ namespace Bit.iOS.Autofill.ListItems
                     _separator.TrailingAnchor.ConstraintEqualTo(ContentView.TrailingAnchor, -7),
                     _separator.BottomAnchor.ConstraintEqualTo(ContentView.LayoutMarginsGuide.BottomAnchor, 2)
                 });
+
+                if (!UIDevice.CurrentDevice.CheckSystemVersion(17, 0))
+                {
+                    return;
+                }
+
+                ((IUITraitChangeObservable)this).RegisterForTraitChanges<UITraitUserInterfaceStyle>((env, traits) =>
+                {
+                    ClipLogger.Log($"[HeaderItemView] TraitCollection: {traits.UserInterfaceStyle}");
+                    MainThread.BeginInvokeOnMainThread(() =>
+                    {
+                        ContentView.BackgroundColor = UIColor.SystemBackground;
+                        _header.TextColor = ThemeHelpers.TextColor;
+                        _separator.BackgroundColor = ThemeHelpers.SeparatorColor;
+                    });
+                });
             }
             catch (System.Exception ex)
             {

src/iOS.Autofill/LockPasswordViewController.cs

@@ -3,6 +3,7 @@ using Bit.App.Controls;
 using Bit.Core.Services;
 using Bit.Core.Utilities;
 using Bit.iOS.Core.Utilities;
+using Microsoft.Maui.ApplicationModel;
 using UIKit;
 
 namespace Bit.iOS.Autofill

src/iOS.Autofill/LoginListViewController.cs

@@ -161,6 +161,18 @@ namespace Bit.iOS.Autofill
             }
         }
 
+        protected override void OnUpdateTraitAppearance()
+        {
+            base.OnUpdateTraitAppearance();
+
+            _searchBar.BackgroundColor = _searchBar.BarTintColor = ThemeHelpers.ListHeaderBackgroundColor;
+            _searchBar.UpdateThemeIfNeeded();
+
+            TableView.BackgroundColor = ThemeHelpers.BackgroundColor;
+
+            _emptyViewButton.Layer.BorderColor = UIColor.FromName(ColorConstants.LIGHT_TEXT_MUTED).CGColor;
+        }
+
         public async Task DoFido2GetAssertionAsync(IFido2GetAssertionUserInterface fido2GetAssertionUserInterface)
         {
             if (!UIDevice.CurrentDevice.CheckSystemVersion(17, 0))
@@ -436,6 +448,20 @@ namespace Bit.iOS.Autofill
                         }
                     });
                 }
+                if (message.Command == "update_traits" && UIDevice.CurrentDevice.CheckSystemVersion(17,0))
+                {
+                    MainThread.InvokeOnMainThreadAsync(() =>
+                    {
+                        ClipLogger.Log($"[{nameof(LoginListViewController)}] updating traits");
+                        ClipLogger.Log($"[{nameof(LoginListViewController)}] style: {TraitCollection?.UserInterfaceStyle}");
+
+                        UpdateTraitsIfNeeded();
+
+                        OnUpdateTraitAppearance();
+
+                        View.SetNeedsLayout();
+                    });
+                }
             });
         }
 
@@ -535,6 +561,17 @@ namespace Bit.iOS.Autofill
             }
         }
 
+        //public override void ViewIsAppearing(bool animated)
+        //{
+        //    base.ViewIsAppearing(animated);
+
+        //    ClipLogger.Log($"[{nameof(LoginListViewController)}] TraitCollection: {TraitCollection?.UserInterfaceStyle}");
+        //    ((IUITraitChangeObservable)this).RegisterForTraitChanges<UITraitUserInterfaceStyle>((env, traits) =>
+        //    {
+        //        ClipLogger.Log($"[LoginListViewController] changed TraitCollection: {traits.UserInterfaceStyle}");
+        //    });
+        //}
+
         public void ReloadTableViewData() => TableView.ReloadData();
 
         public class TableSource : BaseLoginListTableSource<LoginListViewController>

src/iOS.Autofill/MainInterface.storyboard

@@ -420,6 +420,8 @@
                             <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="grouped" separatorStyle="default" rowHeight="44" sectionHeaderHeight="18" sectionFooterHeight="18" translatesAutoresizingMaskIntoConstraints="NO" id="FcI-Ph-m9e">
                                 <rect key="frame" x="0.0" y="0.0" width="414" height="830"/>
                                 <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                <color key="separatorColor" name="LightSecondary300"/>
+                                <color key="sectionIndexBackgroundColor" systemColor="systemBackgroundColor"/>
                                 <prototypes>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" selectionStyle="blue" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" id="oQZ-wW-5uB">
                                         <rect key="frame" x="0.0" y="55.5" width="414" height="44"/>
@@ -650,6 +652,9 @@
         <image name="check.png" width="90" height="90"/>
         <image name="empty_items_state" width="157" height="111"/>
         <image name="splash_logo" width="282" height="44"/>
+        <namedColor name="LightSecondary300">
+            <color red="0.80800002813339233" green="0.83099997043609619" blue="0.86299997568130493" alpha="1" colorSpace="custom" customColorSpace="displayP3"/>
+        </namedColor>
         <namedColor name="LightTextMuted">
             <color red="0.42699998617172241" green="0.45899999141693115" blue="0.49399998784065247" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
         </namedColor>

src/iOS.Core/Controllers/BaseLockPasswordViewController.cs

@@ -221,6 +221,29 @@ namespace Bit.iOS.Core.Controllers
             }
         }
 
+        //public override void ViewIsAppearing(bool animated)
+        //{
+        //    base.ViewIsAppearing(animated);
+
+        //    if (!UIDevice.CurrentDevice.CheckSystemVersion(17, 0))
+        //    {
+        //        return;
+        //    }
+
+        //    ClipLogger.Log($"baselock ViewIsAppearing: {TraitCollection?.UserInterfaceStyle}");
+
+        //    ((IUITraitChangeObservable)this).RegisterForTraitChanges<UITraitUserInterfaceStyle>((env, traits) =>
+        //    {
+        //        ClipLogger.Log($"[BaseLockPass] TraitCollection: {traits.UserInterfaceStyle}");
+        //        MainThread.BeginInvokeOnMainThread(() =>
+        //        {
+        //            View.BackgroundColor = UIColor.SystemBackground;
+        //            TableView.BackgroundColor = ThemeHelpers.BackgroundColor;
+        //            TableView.SeparatorColor = ThemeHelpers.SeparatorColor;
+        //        });
+        //    });
+        //}
+
         public override void ViewDidAppear(bool animated)
         {
             try

src/iOS.Core/Controllers/ExtendedUITableViewController.cs

@@ -1,5 +1,4 @@
 using Bit.iOS.Core.Utilities;
-using System;
 using UIKit;
 
 namespace Bit.iOS.Core.Controllers
@@ -24,6 +23,35 @@ namespace Bit.iOS.Core.Controllers
         public override void ViewDidLoad()
         {
             base.ViewDidLoad();
+
+            if (!UIDevice.CurrentDevice.CheckSystemVersion(17, 0))
+            {
+                OnUpdateTraitAppearance();
+            }
+        }
+
+        public override void ViewIsAppearing(bool animated)
+        {
+            base.ViewIsAppearing(animated);
+
+            if (!UIDevice.CurrentDevice.CheckSystemVersion(17, 0))
+            {
+                return;
+            }
+
+            OnUpdateTraitAppearance();
+
+            ((IUITraitChangeObservable)this).RegisterForTraitChanges<UITraitUserInterfaceStyle>((env, traits) =>
+            {
+                MainThread.BeginInvokeOnMainThread(() =>
+                {
+                    OnUpdateTraitAppearance();
+                });
+            });
+        }
+
+        protected virtual void OnUpdateTraitAppearance()
+        {
             if (View != null)
             {
                 View.BackgroundColor = ThemeHelpers.BackgroundColor;

src/iOS.Core/Controllers/ExtendedUIViewController.cs

@@ -1,5 +1,5 @@
+using Bit.Core.Services;
 using Bit.iOS.Core.Utilities;
-using System;
 using UIKit;
 
 namespace Bit.iOS.Core.Controllers
@@ -28,9 +28,39 @@ namespace Bit.iOS.Core.Controllers
         public override void ViewDidLoad()
         {
             base.ViewDidLoad();
+
+            if (!UIDevice.CurrentDevice.CheckSystemVersion(17, 0))
+            {
+                OnUpdateTraitAppearance();
+            }
+        }
+
+        public override void ViewIsAppearing(bool animated)
+        {
+            base.ViewIsAppearing(animated);
+
+            if (!UIDevice.CurrentDevice.CheckSystemVersion(17, 0))
+            {
+                return;
+            }
+
+            OnUpdateTraitAppearance();
+
+            ((IUITraitChangeObservable)this).RegisterForTraitChanges<UITraitUserInterfaceStyle>((env, traits) =>
+            {
+                MainThread.BeginInvokeOnMainThread(() =>
+                {
+                    OnUpdateTraitAppearance();
+                });
+            });
+        }
+
+        protected virtual void OnUpdateTraitAppearance()
+        {
             if (View != null)
             {
                 View.BackgroundColor = ThemeHelpers.BackgroundColor;
+                ClipLogger.Log($"[{GetType().FullName}] back color: {View.BackgroundColor}");
             }
             UpdateNavigationBarTheme();
         }

src/iOS.Core/Handlers/CustomTabbedHandler.cs

@@ -1,6 +1,7 @@
 using Bit.App.Pages;
 using Bit.App.Utilities;
 using Bit.Core.Abstractions;
+using Bit.Core.Services;
 using Bit.Core.Utilities;
 using Bit.iOS.Core.Utilities;
 using Microsoft.Maui.Controls.Handlers.Compatibility;
@@ -21,6 +22,7 @@ namespace Bit.iOS.Core.Handlers
             {
                 if (message.Command is ThemeManager.UPDATED_THEME_MESSAGE_KEY)
                 {
+                    ClipLogger.Log($"CustomTabbedHandler ThemeManager.UPDATED_THEME_MESSAGE_KEY");
                     MainThread.BeginInvokeOnMainThread(() =>
                     {
                         iOSCoreHelpers.AppearanceAdjustments();

src/iOS.Core/Utilities/ThemeHelpers.cs

@@ -1,4 +1,5 @@
 using Bit.App.Utilities;
+using Bit.Core.Services;
 using Microsoft.Maui.Platform;
 using UIKit;
 
@@ -80,6 +81,8 @@ namespace Bit.iOS.Core.Utilities
 
         private static void SetThemeVariables(string theme, bool osDarkModeEnabled)
         {
+            ClipLogger.Log($"[SetThemeVariables] {theme}, {osDarkModeEnabled}");
+
             if (string.IsNullOrWhiteSpace(theme) && osDarkModeEnabled)
             {
                 theme = ThemeManager.Dark;

src/iOS.Core/Utilities/iOSCoreHelpers.cs

@@ -124,7 +124,7 @@ namespace Bit.iOS.Core.Utilities
             else
             { 
 #if DEBUG
-                logger = DebugLogger.Instance;
+                logger = ClipLogger.Instance;
 #else
                 logger = Logger.Instance;
 #endif
@@ -248,9 +248,9 @@ namespace Bit.iOS.Core.Utilities
             var bootstrapTask = BootstrapAsync(postBootstrapFunc);
         }
 
-        public static void AppearanceAdjustments()
+        public static void AppearanceAdjustments(UITraitCollection? traitCollection = null)
         {
-            ThemeHelpers.SetAppearance(ThemeManager.GetTheme(), ThemeManager.OsDarkModeEnabled());
+            ThemeHelpers.SetAppearance(ThemeManager.GetTheme(), ThemeManager.OsDarkModeEnabled(traitCollection));
             UIApplication.SharedApplication.StatusBarHidden = false;
             UIApplication.SharedApplication.StatusBarStyle = UIStatusBarStyle.LightContent;
         }
@@ -292,6 +292,21 @@ namespace Bit.iOS.Core.Utilities
                 {
                     ListenYubiKey(listen, deviceActionService, nfcSession, nfcDelegate);
                 }
+                else if (message.Command is ThemeManager.UPDATED_THEME_MESSAGE_KEY)
+                {
+                    MainThread.BeginInvokeOnMainThread(() =>
+                    {
+                        try
+                        {
+                            ClipLogger.Log($"message updated theme message key");
+                            AppearanceAdjustments();
+                        }
+                        catch (Exception ex)
+                        {
+                            LoggerHelper.LogEvenIfCantBeResolved(ex);
+                        }
+                    });
+                }
             });
         }
 

src/iOS.Core/Views/CipherLoginTableViewCell.cs

@@ -93,6 +93,21 @@ namespace Bit.iOS.Core.Views
                     _separator.TrailingAnchor.ConstraintEqualTo(ContentView.TrailingAnchor, -7),
                     _separator.BottomAnchor.ConstraintEqualTo(ContentView.BottomAnchor, 0)
                 });
+
+                ((IUITraitChangeObservable)this).RegisterForTraitChanges<UITraitUserInterfaceStyle>((env, traits) =>
+                {
+                    ClipLogger.Log($"[CipherLoginTableViewCell] TraitCollection: {traits.UserInterfaceStyle}");
+                    MainThread.BeginInvokeOnMainThread(() =>
+                    {
+                        ContentView.BackgroundColor = UIColor.SystemBackground;
+                        _title.TextColor = ThemeHelpers.TextColor;
+                        _subtitle.TextColor = ThemeHelpers.MutedColor;
+                        _mainIcon.TextColor = ThemeHelpers.PrimaryColor;
+                        _orgIcon.TextColor = ThemeHelpers.MutedColor;
+                        _separator.BackgroundColor = ThemeHelpers.SeparatorColor;
+                        _mainStackView.BackgroundColor = UIColor.SystemCyan;
+                    });
+                });
             }
             catch (System.Exception ex)
             {