refactor message center use to services

src/Android/MainActivity.cs

@@ -13,16 +13,10 @@ using System.Reflection;
 using Xamarin.Forms.Platform.Android;
 using Xamarin.Forms;
 using System.Threading.Tasks;
-using Bit.App.Models.Page;
 using Bit.App;
 using Android.Nfc;
-using Android.Views.InputMethods;
 using System.IO;
 using System.Linq;
-using Android.Views.Autofill;
-using Android.App.Assist;
-using Bit.Android.Autofill;
-using System.Collections.Generic;
 using Bit.App.Models;
 using Bit.App.Enums;
 
@@ -35,7 +29,6 @@ namespace Bit.Android
     public class MainActivity : FormsAppCompatActivity
     {
         private const string HockeyAppId = "d3834185b4a643479047b86c65293d42";
-        private DateTime? _lastAction;
         private Java.Util.Regex.Pattern _otpPattern = Java.Util.Regex.Pattern.Compile("^.*?([cbdefghijklnrtuv]{32,64})$");
         private IDeviceActionService _deviceActionService;
         private ISettings _settings;
@@ -97,105 +90,11 @@ namespace Bit.Android
 
             if(_appOptions?.Uri == null)
             {
-                MessagingCenter.Subscribe<Xamarin.Forms.Application>(Xamarin.Forms.Application.Current,
-                    "DismissKeyboard", (sender) => DismissKeyboard());
-
-                MessagingCenter.Subscribe<Xamarin.Forms.Application>(Xamarin.Forms.Application.Current,
-                    "RateApp", (sender) => RateApp());
-
-                MessagingCenter.Subscribe<Xamarin.Forms.Application>(Xamarin.Forms.Application.Current,
-                    "Accessibility", (sender) => OpenAccessibilitySettings());
-
-                MessagingCenter.Subscribe<Xamarin.Forms.Application, string>(Xamarin.Forms.Application.Current,
-                    "LaunchApp", (sender, args) => LaunchApp(args));
-
                 MessagingCenter.Subscribe<Xamarin.Forms.Application, bool>(Xamarin.Forms.Application.Current,
                     "ListenYubiKeyOTP", (sender, listen) => ListenYubiKey(listen));
-            }
 
-            MessagingCenter.Subscribe<Xamarin.Forms.Application, VaultListPageModel.Cipher>(
+                MessagingCenter.Subscribe<Xamarin.Forms.Application>(Xamarin.Forms.Application.Current,
-                Xamarin.Forms.Application.Current, "Autofill", (sender, args) => ReturnCredentials(args));
+                    "FinishMainActivity", (sender) => Finish());
-
-            MessagingCenter.Subscribe<Xamarin.Forms.Application>(Xamarin.Forms.Application.Current,
-                "BackgroundApp", (sender) =>
-                {
-                    if(Intent.GetBooleanExtra("autofillFramework", false))
-                    {
-                        SetResult(Result.Canceled);
-                        Finish();
-                    }
-                    else
-                    {
-                        MoveTaskToBack(true);
-                    }
-                });
-        }
-
-        private void ReturnCredentials(VaultListPageModel.Cipher cipher)
-        {
-            if(Intent.GetBooleanExtra("autofillFramework", false))
-            {
-                if(cipher == null)
-                {
-                    SetResult(Result.Canceled);
-                    Finish();
-                    return;
-                }
-
-                var structure = Intent.GetParcelableExtra(AutofillManager.ExtraAssistStructure) as AssistStructure;
-                if(structure == null)
-                {
-                    SetResult(Result.Canceled);
-                    Finish();
-                    return;
-                }
-
-                var parser = new Parser(structure);
-                parser.Parse();
-                if(!parser.FieldCollection.Fields.Any() || string.IsNullOrWhiteSpace(parser.Uri))
-                {
-                    SetResult(Result.Canceled);
-                    Finish();
-                    return;
-                }
-
-                var dataset = AutofillHelpers.BuildDataset(this, parser.FieldCollection, new FilledItem(cipher.CipherModel));
-                var replyIntent = new Intent();
-                replyIntent.PutExtra(AutofillManager.ExtraAuthenticationResult, dataset);
-                SetResult(Result.Ok, replyIntent);
-                Finish();
-            }
-            else
-            {
-                var data = new Intent();
-                if(cipher == null)
-                {
-                    data.PutExtra("canceled", "true");
-                }
-                else
-                {
-                    var isPremium = Resolver.Resolve<ITokenService>()?.TokenPremium ?? false;
-                    var autoCopyEnabled = !_settings.GetValueOrDefault(Constants.SettingDisableTotpCopy, false);
-                    if(isPremium && autoCopyEnabled && _deviceActionService != null && cipher.LoginTotp?.Value != null)
-                    {
-                        _deviceActionService.CopyToClipboard(App.Utilities.Crypto.Totp(cipher.LoginTotp.Value));
-                    }
-
-                    data.PutExtra("uri", cipher.LoginUri);
-                    data.PutExtra("username", cipher.LoginUsername);
-                    data.PutExtra("password", cipher.LoginPassword?.Value ?? null);
-                }
-
-                if(Parent == null)
-                {
-                    SetResult(Result.Ok, data);
-                }
-                else
-                {
-                    Parent.SetResult(Result.Ok, data);
-                }
-
-                Finish();
             }
         }
 
@@ -302,65 +201,6 @@ namespace Bit.Android
             }
         }
 
-        public void RateApp()
-        {
-            try
-            {
-                var rateIntent = RateIntentForUrl("market://details");
-                StartActivity(rateIntent);
-            }
-            catch(ActivityNotFoundException)
-            {
-                var rateIntent = RateIntentForUrl("https://play.google.com/store/apps/details");
-                StartActivity(rateIntent);
-            }
-        }
-
-        private Intent RateIntentForUrl(string url)
-        {
-            var intent = new Intent(Intent.ActionView, global::Android.Net.Uri.Parse($"{url}?id={PackageName}"));
-            var flags = ActivityFlags.NoHistory | ActivityFlags.MultipleTask;
-            if((int)Build.VERSION.SdkInt >= 21)
-            {
-                flags |= ActivityFlags.NewDocument;
-            }
-            else
-            {
-                // noinspection deprecation
-                flags |= ActivityFlags.ClearWhenTaskReset;
-            }
-
-            intent.AddFlags(flags);
-            return intent;
-        }
-
-        private void OpenAccessibilitySettings()
-        {
-            var intent = new Intent(global::Android.Provider.Settings.ActionAccessibilitySettings);
-            StartActivity(intent);
-        }
-
-        private void LaunchApp(string packageName)
-        {
-            if(_lastAction.LastActionWasRecent())
-            {
-                return;
-            }
-            _lastAction = DateTime.UtcNow;
-
-            packageName = packageName.Replace("androidapp://", string.Empty);
-            var launchIntent = PackageManager.GetLaunchIntentForPackage(packageName);
-            if(launchIntent == null)
-            {
-                var dialog = Resolver.Resolve<IUserDialogs>();
-                dialog.Alert(string.Format(App.Resources.AppResources.CannotOpenApp, packageName));
-            }
-            else
-            {
-                StartActivity(launchIntent);
-            }
-        }
-
         private void ListenYubiKey(bool listen)
         {
             if(!Utilities.NfcEnabled())
@@ -405,16 +245,6 @@ namespace Bit.Android
             }
         }
 
-        private void DismissKeyboard()
-        {
-            try
-            {
-                var imm = (InputMethodManager)GetSystemService(InputMethodService);
-                imm.HideSoftInputFromWindow(CurrentFocus.WindowToken, 0);
-            }
-            catch { }
-        }
-
         private AppOptions GetOptions()
         {
             var options = new AppOptions

src/Android/Services/DeviceActionService.cs

@@ -15,18 +15,32 @@ using System.Collections.Generic;
 using Android;
 using Android.Content.PM;
 using Android.Support.V4.App;
+using Bit.App.Models.Page;
+using XLabs.Ioc;
+using Android.App;
+using Android.Views.Autofill;
+using Android.App.Assist;
+using Bit.Android.Autofill;
+using System.Linq;
+using Plugin.Settings.Abstractions;
+using Acr.UserDialogs;
+using Android.Views.InputMethods;
 
 namespace Bit.Android.Services
 {
     public class DeviceActionService : IDeviceActionService
     {
         private readonly IAppSettingsService _appSettingsService;
+        private readonly IUserDialogs _userDialogs;
         private bool _cameraPermissionsDenied;
+        private DateTime? _lastAction;
 
         public DeviceActionService(
-            IAppSettingsService appSettingsService)
+            IAppSettingsService appSettingsService,
+            IUserDialogs userDialogs)
         {
             _appSettingsService = appSettingsService;
+            _userDialogs = userDialogs;
         }
 
         public void CopyToClipboard(string text)
@@ -109,34 +123,10 @@ namespace Bit.Android.Services
             catch(Exception) { }
         }
 
-        private bool DeleteDir(Java.IO.File dir)
-        {
-            if(dir != null && dir.IsDirectory)
-            {
-                var children = dir.List();
-                for(int i = 0; i < children.Length; i++)
-                {
-                    var success = DeleteDir(new Java.IO.File(dir, children[i]));
-                    if(!success)
-                    {
-                        return false;
-                    }
-                }
-                return dir.Delete();
-            }
-            else if(dir != null && dir.IsFile)
-            {
-                return dir.Delete();
-            }
-            else
-            {
-                return false;
-            }
-        }
-
         public Task SelectFileAsync()
         {
-            MessagingCenter.Unsubscribe<Application>(Application.Current, "SelectFileCameraPermissionDenied");
+            MessagingCenter.Unsubscribe<Xamarin.Forms.Application>(Xamarin.Forms.Application.Current,
+                "SelectFileCameraPermissionDenied");
 
             var hasStorageWritePermission = !_cameraPermissionsDenied && HasPermission(Manifest.Permission.WriteExternalStorage);
 
@@ -189,6 +179,195 @@ namespace Bit.Android.Services
             return Task.FromResult(0);
         }
 
+        public void Autofill(VaultListPageModel.Cipher cipher)
+        {
+            var activity = (MainActivity)Forms.Context;
+            if(activity.Intent.GetBooleanExtra("autofillFramework", false))
+            {
+                if(cipher == null)
+                {
+                    activity.SetResult(Result.Canceled);
+                    activity.Finish();
+                    return;
+                }
+
+                var structure = activity.Intent.GetParcelableExtra(
+                    AutofillManager.ExtraAssistStructure) as AssistStructure;
+                if(structure == null)
+                {
+                    activity.SetResult(Result.Canceled);
+                    activity.Finish();
+                    return;
+                }
+
+                var parser = new Parser(structure);
+                parser.Parse();
+                if(!parser.FieldCollection.Fields.Any() || string.IsNullOrWhiteSpace(parser.Uri))
+                {
+                    activity.SetResult(Result.Canceled);
+                    activity.Finish();
+                    return;
+                }
+
+                var dataset = AutofillHelpers.BuildDataset(activity, parser.FieldCollection,
+                    new FilledItem(cipher.CipherModel));
+                var replyIntent = new Intent();
+                replyIntent.PutExtra(AutofillManager.ExtraAuthenticationResult, dataset);
+                activity.SetResult(Result.Ok, replyIntent);
+                activity.Finish();
+            }
+            else
+            {
+                var data = new Intent();
+                if(cipher == null)
+                {
+                    data.PutExtra("canceled", "true");
+                }
+                else
+                {
+                    var isPremium = Resolver.Resolve<ITokenService>()?.TokenPremium ?? false;
+                    var settings = Resolver.Resolve<ISettings>();
+                    var autoCopyEnabled = !settings.GetValueOrDefault(Constants.SettingDisableTotpCopy, false);
+                    if(isPremium && autoCopyEnabled && cipher.LoginTotp?.Value != null)
+                    {
+                        CopyToClipboard(App.Utilities.Crypto.Totp(cipher.LoginTotp.Value));
+                    }
+
+                    data.PutExtra("uri", cipher.LoginUri);
+                    data.PutExtra("username", cipher.LoginUsername);
+                    data.PutExtra("password", cipher.LoginPassword?.Value ?? null);
+                }
+
+                if(activity.Parent == null)
+                {
+                    activity.SetResult(Result.Ok, data);
+                }
+                else
+                {
+                    activity.Parent.SetResult(Result.Ok, data);
+                }
+
+                activity.Finish();
+                MessagingCenter.Send(Xamarin.Forms.Application.Current, "FinishMainActivity");
+            }
+        }
+
+        public void CloseAutofill()
+        {
+            Autofill(null);
+        }
+
+        public void Background()
+        {
+            var activity = (MainActivity)Forms.Context;
+            if(activity.Intent.GetBooleanExtra("autofillFramework", false))
+            {
+                activity.SetResult(Result.Canceled);
+                activity.Finish();
+            }
+            else
+            {
+                activity.MoveTaskToBack(true);
+            }
+        }
+
+        public void RateApp()
+        {
+            var activity = (MainActivity)Forms.Context;
+            try
+            {
+                var rateIntent = RateIntentForUrl("market://details", activity);
+                activity.StartActivity(rateIntent);
+            }
+            catch(ActivityNotFoundException)
+            {
+                var rateIntent = RateIntentForUrl("https://play.google.com/store/apps/details", activity);
+                activity.StartActivity(rateIntent);
+            }
+        }
+
+        public void DismissKeyboard()
+        {
+            var activity = (MainActivity)Forms.Context;
+            try
+            {
+                var imm = (InputMethodManager)activity.GetSystemService(Context.InputMethodService);
+                imm.HideSoftInputFromWindow(activity.CurrentFocus.WindowToken, 0);
+            }
+            catch { }
+        }
+
+        public void OpenAccessibilitySettings()
+        {
+            var activity = (MainActivity)Forms.Context;
+            var intent = new Intent(Settings.ActionAccessibilitySettings);
+            activity.StartActivity(intent);
+        }
+
+        public void LaunchApp(string appName)
+        {
+            var activity = (MainActivity)Forms.Context;
+            if(_lastAction.LastActionWasRecent())
+            {
+                return;
+            }
+            _lastAction = DateTime.UtcNow;
+
+            appName = appName.Replace("androidapp://", string.Empty);
+            var launchIntent = activity.PackageManager.GetLaunchIntentForPackage(appName);
+            if(launchIntent == null)
+            {
+                _userDialogs.Alert(string.Format(AppResources.CannotOpenApp, appName));
+            }
+            else
+            {
+                activity.StartActivity(launchIntent);
+            }
+        }
+
+        private Intent RateIntentForUrl(string url, Activity activity)
+        {
+            var intent = new Intent(Intent.ActionView, global::Android.Net.Uri.Parse($"{url}?id={activity.PackageName}"));
+            var flags = ActivityFlags.NoHistory | ActivityFlags.MultipleTask;
+            if((int)Build.VERSION.SdkInt >= 21)
+            {
+                flags |= ActivityFlags.NewDocument;
+            }
+            else
+            {
+                // noinspection deprecation
+                flags |= ActivityFlags.ClearWhenTaskReset;
+            }
+
+            intent.AddFlags(flags);
+            return intent;
+        }
+
+        private bool DeleteDir(Java.IO.File dir)
+        {
+            if(dir != null && dir.IsDirectory)
+            {
+                var children = dir.List();
+                for(int i = 0; i < children.Length; i++)
+                {
+                    var success = DeleteDir(new Java.IO.File(dir, children[i]));
+                    if(!success)
+                    {
+                        return false;
+                    }
+                }
+                return dir.Delete();
+            }
+            else if(dir != null && dir.IsFile)
+            {
+                return dir.Delete();
+            }
+            else
+            {
+                return false;
+            }
+        }
+
         private List<IParcelable> GetCameraIntents(global::Android.Net.Uri outputUri)
         {
             var intents = new List<IParcelable>();
@@ -214,10 +393,11 @@ namespace Bit.Android.Services
 
         private void AskCameraPermission(string permission)
         {
-            MessagingCenter.Subscribe<Application>(Application.Current, "SelectFileCameraPermissionDenied", (sender) =>
+            MessagingCenter.Subscribe<Xamarin.Forms.Application>(Xamarin.Forms.Application.Current,
-            {
+                "SelectFileCameraPermissionDenied", (sender) =>
-                _cameraPermissionsDenied = true;
+                {
-            });
+                    _cameraPermissionsDenied = true;
+                });
 
             AskPermission(permission);
         }

src/Android/Services/GoogleAnalyticsService.cs

@@ -10,17 +10,13 @@ namespace Bit.Android.Services
     public class GoogleAnalyticsService : IGoogleAnalyticsService
     {
         private readonly GoogleAnalytics _instance;
-        private readonly IAuthService _authService;
         private readonly Tracker _tracker;
 
         public GoogleAnalyticsService(
             Context appContext,
             IAppIdService appIdService,
-            IAuthService authService,
             ISettings settings)
         {
-            _authService = authService;
-
             _instance = GoogleAnalytics.GetInstance(appContext.ApplicationContext);
             _instance.SetLocalDispatchPeriod(10);
 

src/App/Abstractions/Services/IAuthService.cs

@@ -12,9 +12,8 @@ namespace Bit.App.Abstractions
         bool UserIdChanged { get; }
         string Email { get; set; }
         string PIN { get; set; }
-
         bool BelongsToOrganization(string orgId);
-        void LogOut();
+        void LogOut(string logoutMessage = null);
         Task<FullLoginResult> TokenPostAsync(string email, string masterPassword);
         Task<LoginResult> TokenPostTwoFactorAsync(TwoFactorProviderType type, string token, bool remember, string email,
             string masterPasswordHash, SymmetricCryptoKey key);

src/App/Abstractions/Services/IDeviceActionService.cs

@@ -10,5 +10,12 @@ namespace Bit.App.Abstractions
         bool CanOpenFile(string fileName);
         Task SelectFileAsync();
         void ClearCache();
+        void Autofill(Models.Page.VaultListPageModel.Cipher cipher);
+        void CloseAutofill();
+        void Background();
+        void RateApp();
+        void DismissKeyboard();
+        void OpenAccessibilitySettings();
+        void LaunchApp(string appName);
     }
 }

src/App/Abstractions/Services/ILockService.cs

@@ -8,5 +8,7 @@ namespace Bit.App.Abstractions
     {
         void UpdateLastActivity(DateTime? activityDate = null);
         Task<LockType> GetLockTypeAsync(bool forceLock);
+        Task CheckLockAsync(bool forceLock);
+        bool TopPageIsLock();
     }
 }

src/App/App.cs

@@ -86,27 +86,20 @@ namespace Bit.App
                 MainPage = new ExtendedNavigationPage(new HomePage());
             }
 
-            MessagingCenter.Subscribe<Application, bool>(Current, "Resumed", async (sender, args) =>
+            if(Device.RuntimePlatform == Device.iOS)
             {
-                Device.BeginInvokeOnMainThread(async () => await CheckLockAsync(args));
+                MessagingCenter.Subscribe<Application, bool>(Current, "Resumed", async (sender, args) =>
-                await Task.Run(() => FullSyncAsync()).ConfigureAwait(false);
+                {
-            });
+                    Device.BeginInvokeOnMainThread(async () => await _lockService.CheckLockAsync(args));
-
+                    await Task.Run(() => FullSyncAsync()).ConfigureAwait(false);
-            MessagingCenter.Subscribe<Application, bool>(Current, "Lock", (sender, args) =>
+                });
-            {
+            }
-                Device.BeginInvokeOnMainThread(async () => await CheckLockAsync(args));
-            });
-
-            MessagingCenter.Subscribe<Application, string>(Current, "Logout", (sender, args) =>
-            {
-                Logout(args);
-            });
         }
 
         protected async override void OnStart()
         {
             // Handle when your app starts
-            await CheckLockAsync(false);
+            await _lockService.CheckLockAsync(false);
 
             if(string.IsNullOrWhiteSpace(_options.Uri))
             {
@@ -132,7 +125,7 @@ namespace Bit.App
 
             SetMainPageFromAutofill();
 
-            if(Device.RuntimePlatform == Device.Android && !TopPageIsLock())
+            if(Device.RuntimePlatform == Device.Android && !_lockService.TopPageIsLock())
             {
                 _lockService.UpdateLastActivity();
             }
@@ -151,7 +144,7 @@ namespace Bit.App
 
             if(Device.RuntimePlatform == Device.Android)
             {
-                await CheckLockAsync(false);
+                await _lockService.CheckLockAsync(false);
             }
 
             var lockPinPage = Current.MainPage.Navigation.ModalStack.LastOrDefault() as LockPinPage;
@@ -227,73 +220,6 @@ namespace Bit.App
             }
         }
 
-        private void Logout(string logoutMessage)
-        {
-            _authService.LogOut();
-
-            var deviceApiRepository = Resolver.Resolve<IDeviceApiRepository>();
-            var appIdService = Resolver.Resolve<IAppIdService>();
-            Task.Run(async () => await deviceApiRepository.PutClearTokenAsync(appIdService.AppId));
-
-            _googleAnalyticsService.TrackAppEvent("LoggedOut");
-
-            Device.BeginInvokeOnMainThread(() => Current.MainPage = new ExtendedNavigationPage(new HomePage()));
-            if(!string.IsNullOrWhiteSpace(logoutMessage))
-            {
-                _userDialogs.Toast(logoutMessage);
-            }
-        }
-
-        private async Task CheckLockAsync(bool forceLock)
-        {
-            if(TopPageIsLock())
-            {
-                // already locked
-                return;
-            }
-
-            var lockType = await _lockService.GetLockTypeAsync(forceLock);
-            if(lockType == Enums.LockType.None)
-            {
-                return;
-            }
-
-            _appSettingsService.Locked = true;
-            switch(lockType)
-            {
-                case Enums.LockType.Fingerprint:
-                    await Current.MainPage.Navigation.PushModalAsync(new ExtendedNavigationPage(new LockFingerprintPage(!forceLock)), false);
-                    break;
-                case Enums.LockType.PIN:
-                    await Current.MainPage.Navigation.PushModalAsync(new ExtendedNavigationPage(new LockPinPage()), false);
-                    break;
-                case Enums.LockType.Password:
-                    await Current.MainPage.Navigation.PushModalAsync(new ExtendedNavigationPage(new LockPasswordPage()), false);
-                    break;
-                default:
-                    break;
-            }
-        }
-
-        private bool TopPageIsLock()
-        {
-            var currentPage = Current.MainPage.Navigation.ModalStack.LastOrDefault() as ExtendedNavigationPage;
-            if((currentPage?.CurrentPage as LockFingerprintPage) != null)
-            {
-                return true;
-            }
-            if((currentPage?.CurrentPage as LockPinPage) != null)
-            {
-                return true;
-            }
-            if((currentPage?.CurrentPage as LockPasswordPage) != null)
-            {
-                return true;
-            }
-
-            return false;
-        }
-
         private void SetStyles()
         {
             var gray = Color.FromHex("333333");

src/App/Controls/ExtendedContentPage.cs

@@ -1,6 +1,4 @@
 using Bit.App.Abstractions;
-using Plugin.Settings.Abstractions;
-using System;
 using Xamarin.Forms;
 using XLabs.Ioc;
 
@@ -11,6 +9,7 @@ namespace Bit.App.Controls
         private ISyncService _syncService;
         private IGoogleAnalyticsService _googleAnalyticsService;
         private ILockService _lockService;
+        private IDeviceActionService _deviceActionService;
         private bool _syncIndicator;
         private bool _updateActivity;
 
@@ -21,25 +20,21 @@ namespace Bit.App.Controls
             _syncService = Resolver.Resolve<ISyncService>();
             _googleAnalyticsService = Resolver.Resolve<IGoogleAnalyticsService>();
             _lockService = Resolver.Resolve<ILockService>();
+            _deviceActionService = Resolver.Resolve<IDeviceActionService>();
 
             BackgroundColor = Color.FromHex("efeff4");
-
-            if(_syncIndicator)
-            {
-                MessagingCenter.Subscribe<Application, bool>(Application.Current, "SyncCompleted", (sender, success) =>
-                {
-                    Device.BeginInvokeOnMainThread(() => IsBusy = _syncService.SyncInProgress);
-                });
-
-                MessagingCenter.Subscribe<Application>(Application.Current, "SyncStarted", (sender) =>
-                {
-                    Device.BeginInvokeOnMainThread(() => IsBusy = _syncService.SyncInProgress);
-                });
-            }
         }
 
         protected override void OnAppearing()
         {
+            if(_syncIndicator)
+            {
+                MessagingCenter.Subscribe<ISyncService, bool>(_syncService, "SyncCompleted",
+                    (sender, success) => Device.BeginInvokeOnMainThread(() => IsBusy = _syncService.SyncInProgress));
+                MessagingCenter.Subscribe<ISyncService>(_syncService, "SyncStarted",
+                    (sender) => Device.BeginInvokeOnMainThread(() => IsBusy = _syncService.SyncInProgress));
+            }
+
             if(_syncIndicator)
             {
                 IsBusy = _syncService.SyncInProgress;
@@ -51,6 +46,12 @@ namespace Bit.App.Controls
 
         protected override void OnDisappearing()
         {
+            if(_syncIndicator)
+            {
+                MessagingCenter.Unsubscribe<ISyncService, bool>(_syncService, "SyncCompleted");
+                MessagingCenter.Unsubscribe<ISyncService>(_syncService, "SyncStarted");
+            }
+
             if(_syncIndicator)
             {
                 IsBusy = false;
@@ -62,7 +63,7 @@ namespace Bit.App.Controls
             }
 
             base.OnDisappearing();
-            MessagingCenter.Send(Application.Current, "DismissKeyboard");
+            _deviceActionService.DismissKeyboard();
         }
     }
 }

src/App/Pages/Lock/BaseLockPage.cs

@@ -4,27 +4,28 @@ using Bit.App.Controls;
 using Bit.App.Resources;
 using Xamarin.Forms;
 using XLabs.Ioc;
+using Bit.App.Abstractions;
 
 namespace Bit.App.Pages
 {
     public class BaseLockPage : ExtendedContentPage
     {
+        private readonly IDeviceActionService _deviceActionService;
+
         public BaseLockPage()
             : base(false, false)
         {
-
             UserDialogs = Resolver.Resolve<IUserDialogs>();
+            AuthService = Resolver.Resolve<IAuthService>();
+            _deviceActionService = Resolver.Resolve<IDeviceActionService>();
         }
 
         protected IUserDialogs UserDialogs { get; set; }
+        protected IAuthService AuthService { get; set; }
 
         protected override bool OnBackButtonPressed()
         {
-            if(Device.RuntimePlatform == Device.Android)
+            _deviceActionService.Background();
-            {
-                MessagingCenter.Send(Application.Current, "BackgroundApp");
-            }
-
             return true;
         }
 
@@ -34,8 +35,7 @@ namespace Bit.App.Pages
             {
                 return;
             }
-
+            AuthService.LogOut();
-            MessagingCenter.Send(Application.Current, "Logout", (string)null);
         }
     }
 }

src/App/Pages/Lock/LockFingerprintPage.cs

@@ -100,7 +100,7 @@ namespace Bit.App.Pages
             }
             else if(result.Status == FingerprintAuthenticationResultStatus.FallbackRequested)
             {
-                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                AuthService.LogOut();
             }
         }
     }

src/App/Pages/LoginTwoFactorPage.cs

@@ -22,6 +22,7 @@ namespace Bit.App.Pages
         private IUserDialogs _userDialogs;
         private ISyncService _syncService;
         private IDeviceInfoService _deviceInfoService;
+        private IDeviceActionService _deviceActionService;
         private IGoogleAnalyticsService _googleAnalyticsService;
         private ITwoFactorApiRepository _twoFactorApiRepository;
         private IPushNotificationService _pushNotification;
@@ -45,6 +46,7 @@ namespace Bit.App.Pages
             _providers = result.TwoFactorProviders;
             _providerType = type ?? GetDefaultProvider();
 
+            _deviceActionService = Resolver.Resolve<IDeviceActionService>();
             _authService = Resolver.Resolve<IAuthService>();
             _userDialogs = Resolver.Resolve<IUserDialogs>();
             _syncService = Resolver.Resolve<ISyncService>();
@@ -266,7 +268,7 @@ namespace Bit.App.Pages
             InitEvents();
             if(TokenCell == null && Device.RuntimePlatform == Device.Android)
             {
-                MessagingCenter.Send(Application.Current, "DismissKeyboard");
+                _deviceActionService.DismissKeyboard();
             }
         }
 

src/App/Pages/Settings/SettingsPage.cs

@@ -19,7 +19,8 @@ namespace Bit.App.Pages
         private readonly IFingerprint _fingerprint;
         private readonly IPushNotificationService _pushNotification;
         private readonly IGoogleAnalyticsService _googleAnalyticsService;
-        private readonly IDeviceInfoService _deviceInfoService;
+        private readonly IDeviceActionService _deviceActionService;
+        private readonly ILockService _lockService;
 
         // TODO: Model binding context?
 
@@ -31,7 +32,8 @@ namespace Bit.App.Pages
             _fingerprint = Resolver.Resolve<IFingerprint>();
             _pushNotification = Resolver.Resolve<IPushNotificationService>();
             _googleAnalyticsService = Resolver.Resolve<IGoogleAnalyticsService>();
-            _deviceInfoService = Resolver.Resolve<IDeviceInfoService>();
+            _deviceActionService = Resolver.Resolve<IDeviceActionService>();
+            _lockService = Resolver.Resolve<ILockService>();
 
             Init();
         }
@@ -327,22 +329,7 @@ namespace Bit.App.Pages
         private void RateCell_Tapped(object sender, EventArgs e)
         {
             _googleAnalyticsService.TrackAppEvent("OpenedSetting", "RateApp");
-            if(Device.RuntimePlatform == Device.iOS)
+            _deviceActionService.RateApp();
-            {
-                if(_deviceInfoService.Version < 11)
-                {
-                    Device.OpenUri(new Uri("itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews" +
-                        "?id=1137397744&onlyLatestVersion=true&pageNumber=0&sortOrdering=1&type=Purple+Software"));
-                }
-                else
-                {
-                    Device.OpenUri(new Uri("itms-apps://itunes.apple.com/us/app/id1137397744?action=write-review"));
-                }
-            }
-            else if(Device.RuntimePlatform == Device.Android)
-            {
-                MessagingCenter.Send(Application.Current, "RateApp");
-            }
         }
 
         private void HelpCell_Tapped(object sender, EventArgs e)
@@ -353,7 +340,7 @@ namespace Bit.App.Pages
         private void LockCell_Tapped(object sender, EventArgs e)
         {
             _googleAnalyticsService.TrackAppEvent("Locked");
-            MessagingCenter.Send(Application.Current, "Lock", true);
+            Device.BeginInvokeOnMainThread(async () => await _lockService.CheckLockAsync(true));
         }
 
         private async void LogOutCell_Tapped(object sender, EventArgs e)
@@ -363,7 +350,7 @@ namespace Bit.App.Pages
                 return;
             }
 
-            MessagingCenter.Send(Application.Current, "Logout", (string)null);
+            _authService.LogOut();
         }
 
         private async void ChangeMasterPasswordCell_Tapped(object sender, EventArgs e)

src/App/Pages/Tools/ToolsAutofillServicePage.cs

@@ -12,12 +12,14 @@ namespace Bit.App.Pages
     {
         private readonly IGoogleAnalyticsService _googleAnalyticsService;
         private readonly IAppInfoService _appInfoService;
+        private readonly IDeviceActionService _deviceActionService;
         private bool _pageDisappeared = false;
 
         public ToolsAutofillServicePage()
         {
             _googleAnalyticsService = Resolver.Resolve<IGoogleAnalyticsService>();
             _appInfoService = Resolver.Resolve<IAppInfoService>();
+            _deviceActionService = Resolver.Resolve<IDeviceActionService>();
 
             Init();
         }
@@ -221,7 +223,7 @@ namespace Bit.App.Pages
                 Command = new Command(() =>
                 {
                     _googleAnalyticsService.TrackAppEvent("OpenAccessibilitySettings");
-                    MessagingCenter.Send(Application.Current, "Accessibility");
+                    _deviceActionService.OpenAccessibilitySettings();
                 }),
                 VerticalOptions = LayoutOptions.End,
                 HorizontalOptions = LayoutOptions.Fill,

src/App/Pages/Vault/VaultAddCipherPage.cs

@@ -29,6 +29,7 @@ namespace Bit.App.Pages
         private readonly ISettings _settings;
         private readonly IAppInfoService _appInfoService;
         private readonly IDeviceInfoService _deviceInfo;
+        private readonly IDeviceActionService _deviceActionService;
         private readonly string _defaultUri;
         private readonly string _defaultName;
         private readonly string _defaultUsername;
@@ -75,6 +76,7 @@ namespace Bit.App.Pages
             _settings = Resolver.Resolve<ISettings>();
             _appInfoService = Resolver.Resolve<IAppInfoService>();
             _deviceInfo = Resolver.Resolve<IDeviceInfoService>();
+            _deviceActionService = Resolver.Resolve<IDeviceActionService>();
 
             if(doInit)
             {
@@ -751,7 +753,7 @@ namespace Bit.App.Pages
                     if(_fromAutofillFramework)
                     {
                         // close and go back to app
-                        MessagingCenter.Send(Application.Current, "Autofill", (VaultListPageModel.Cipher)null);
+                        _deviceActionService.CloseAutofill();
                     }
                     else
                     {

src/App/Pages/Vault/VaultAutofillListCiphersPage.cs

@@ -20,7 +20,7 @@ namespace Bit.App.Pages
     {
         private readonly ICipherService _cipherService;
         private readonly IDeviceInfoService _deviceInfoService;
-        private readonly IDeviceActionService _clipboardService;
+        private readonly IDeviceActionService _deviceActionService;
         private readonly ISettingsService _settingsService;
         private readonly IAppSettingsService _appSettingsService;
         private CancellationTokenSource _filterResultsCancellationTokenSource;
@@ -44,7 +44,7 @@ namespace Bit.App.Pages
 
             _cipherService = Resolver.Resolve<ICipherService>();
             _deviceInfoService = Resolver.Resolve<IDeviceInfoService>();
-            _clipboardService = Resolver.Resolve<IDeviceActionService>();
+            _deviceActionService = Resolver.Resolve<IDeviceActionService>();
             _settingsService = Resolver.Resolve<ISettingsService>();
             UserDialogs = Resolver.Resolve<IUserDialogs>();
             _appSettingsService = Resolver.Resolve<IAppSettingsService>();
@@ -141,7 +141,7 @@ namespace Bit.App.Pages
         protected override bool OnBackButtonPressed()
         {
             GoogleAnalyticsService.TrackExtensionEvent("BackClosed", Uri.StartsWith("http") ? "Website" : "App");
-            MessagingCenter.Send(Application.Current, "Autofill", (VaultListPageModel.Cipher)null);
+            _deviceActionService.CloseAutofill();
             return true;
         }
 
@@ -243,7 +243,7 @@ namespace Bit.App.Pages
                 if(doAutofill)
                 {
                     GoogleAnalyticsService.TrackExtensionEvent("AutoFilled", Uri.StartsWith("http") ? "Website" : "App");
-                    MessagingCenter.Send(Application.Current, "Autofill", cipher as VaultListPageModel.Cipher);
+                    _deviceActionService.Autofill(cipher);
                 }
             }
 
@@ -322,7 +322,7 @@ namespace Bit.App.Pages
 
         private void Copy(string copyText, string alertLabel)
         {
-            _clipboardService.CopyToClipboard(copyText);
+            _deviceActionService.CopyToClipboard(copyText);
             UserDialogs.Toast(string.Format(AppResources.ValueHasBeenCopied, alertLabel));
         }
 

src/App/Pages/Vault/VaultListCiphersPage.cs

@@ -24,7 +24,7 @@ namespace Bit.App.Pages
         private readonly ICipherService _cipherService;
         private readonly IUserDialogs _userDialogs;
         private readonly IConnectivity _connectivity;
-        private readonly IDeviceActionService _clipboardService;
+        private readonly IDeviceActionService _deviceActionService;
         private readonly ISyncService _syncService;
         private readonly IPushNotificationService _pushNotification;
         private readonly IDeviceInfoService _deviceInfoService;
@@ -42,7 +42,7 @@ namespace Bit.App.Pages
             _cipherService = Resolver.Resolve<ICipherService>();
             _connectivity = Resolver.Resolve<IConnectivity>();
             _userDialogs = Resolver.Resolve<IUserDialogs>();
-            _clipboardService = Resolver.Resolve<IDeviceActionService>();
+            _deviceActionService = Resolver.Resolve<IDeviceActionService>();
             _syncService = Resolver.Resolve<ISyncService>();
             _pushNotification = Resolver.Resolve<IPushNotificationService>();
             _deviceInfoService = Resolver.Resolve<IDeviceInfoService>();
@@ -71,14 +71,6 @@ namespace Bit.App.Pages
 
         private void Init()
         {
-            MessagingCenter.Subscribe<Application, bool>(Application.Current, "SyncCompleted", (sender, success) =>
-            {
-                if(success)
-                {
-                    _filterResultsCancellationTokenSource = FetchAndLoadVault();
-                }
-            });
-
             if(!_favorites)
             {
                 AddCipherItem = new AddCipherToolBarItem(this);
@@ -232,6 +224,14 @@ namespace Bit.App.Pages
         protected override void OnAppearing()
         {
             base.OnAppearing();
+            MessagingCenter.Subscribe<ISyncService, bool>(_syncService, "SyncCompleted", (sender, success) =>
+            {
+                if(success)
+                {
+                    _filterResultsCancellationTokenSource = FetchAndLoadVault();
+                }
+            });
+
             ListView.ItemSelected += CipherSelected;
             Search.TextChanged += SearchBar_TextChanged;
             Search.SearchButtonPressed += SearchBar_SearchButtonPressed;
@@ -274,6 +274,8 @@ namespace Bit.App.Pages
         protected override void OnDisappearing()
         {
             base.OnDisappearing();
+            MessagingCenter.Unsubscribe<ISyncService, bool>(_syncService, "SyncCompleted");
+
             ListView.ItemSelected -= CipherSelected;
             Search.TextChanged -= SearchBar_TextChanged;
             Search.SearchButtonPressed -= SearchBar_SearchButtonPressed;
@@ -288,7 +290,7 @@ namespace Bit.App.Pages
             }
 
             _googleAnalyticsService.TrackExtensionEvent("BackClosed", Uri.StartsWith("http") ? "Website" : "App");
-            MessagingCenter.Send(Application.Current, "Autofill", (VaultListPageModel.Cipher)null);
+            _deviceActionService.CloseAutofill();
             return true;
         }
 
@@ -417,7 +419,7 @@ namespace Bit.App.Pages
                 {
                     _googleAnalyticsService.TrackExtensionEvent("AutoFilled", 
                         Uri.StartsWith("http") ? "Website" : "App");
-                    MessagingCenter.Send(Application.Current, "Autofill", cipher);
+                    _deviceActionService.Autofill(cipher);
                 }
             }
 
@@ -492,7 +494,7 @@ namespace Bit.App.Pages
 
         private void Copy(string copyText, string alertLabel)
         {
-            _clipboardService.CopyToClipboard(copyText);
+            _deviceActionService.CopyToClipboard(copyText);
             _userDialogs.Toast(string.Format(AppResources.ValueHasBeenCopied, alertLabel));
         }
 

src/App/Pages/Vault/VaultViewCipherPage.cs

@@ -136,7 +136,7 @@ namespace Bit.App.Pages
                     {
                         if(Device.RuntimePlatform == Device.Android && Model.LoginUri.StartsWith("androidapp://"))
                         {
-                            MessagingCenter.Send(Application.Current, "LaunchApp", Model.LoginUri);
+                            _deviceActionService.LaunchApp(Model.LoginUri);
                         }
                         else if(Model.LoginUri.StartsWith("http://") || Model.LoginUri.StartsWith("https://"))
                         {

src/App/Services/AuthService.cs

@@ -7,6 +7,10 @@ using Plugin.Settings.Abstractions;
 using Bit.App.Models;
 using System.Linq;
 using Bit.App.Enums;
+using Xamarin.Forms;
+using Bit.App.Pages;
+using Bit.App.Controls;
+using Acr.UserDialogs;
 
 namespace Bit.App.Services
 {
@@ -25,6 +29,9 @@ namespace Bit.App.Services
         private readonly IAccountsApiRepository _accountsApiRepository;
         private readonly IAppIdService _appIdService;
         private readonly IDeviceInfoService _deviceInfoService;
+        private readonly IDeviceApiRepository _deviceApiRepository;
+        private readonly IGoogleAnalyticsService _googleAnalyticsService;
+        private readonly IUserDialogs _userDialogs;
 
         private string _email;
         private string _userId;
@@ -39,7 +46,10 @@ namespace Bit.App.Services
             IConnectApiRepository connectApiRepository,
             IAccountsApiRepository accountsApiRepository,
             IAppIdService appIdService,
-            IDeviceInfoService deviceInfoService)
+            IDeviceInfoService deviceInfoService,
+            IDeviceApiRepository deviceApiRepository,
+            IGoogleAnalyticsService googleAnalyticsService,
+            IUserDialogs userDialogs)
         {
             _secureStorage = secureStorage;
             _tokenService = tokenService;
@@ -49,6 +59,9 @@ namespace Bit.App.Services
             _accountsApiRepository = accountsApiRepository;
             _appIdService = appIdService;
             _deviceInfoService = deviceInfoService;
+            _deviceApiRepository = deviceApiRepository;
+            _googleAnalyticsService = googleAnalyticsService;
+            _userDialogs = userDialogs;
         }
 
         public string UserId
@@ -194,7 +207,7 @@ namespace Bit.App.Services
             return !string.IsNullOrWhiteSpace(orgId) && (_cryptoService.OrgKeys?.ContainsKey(orgId) ?? false);
         }
 
-        public void LogOut()
+        public void LogOut(string logoutMessage = null)
         {
             _tokenService.Token = null;
             _tokenService.RefreshToken = null;
@@ -204,6 +217,16 @@ namespace Bit.App.Services
             _settings.Remove(Constants.SecurityStamp);
             _settings.Remove(Constants.PushLastRegistrationDate);
             _settings.Remove(Constants.Locked);
+
+            Task.Run(async () => await _deviceApiRepository.PutClearTokenAsync(_appIdService.AppId));
+
+            _googleAnalyticsService.TrackAppEvent("LoggedOut");
+
+            Device.BeginInvokeOnMainThread(() => Application.Current.MainPage = new ExtendedNavigationPage(new HomePage()));
+            if(!string.IsNullOrWhiteSpace(logoutMessage))
+            {
+                _userDialogs.Toast(logoutMessage);
+            }
         }
 
         public async Task<FullLoginResult> TokenPostAsync(string email, string masterPassword)
@@ -249,10 +272,10 @@ namespace Bit.App.Services
             return result;
         }
 
-        public async Task<LoginResult> TokenPostTwoFactorAsync(TwoFactorProviderType type, string token, bool remember,
+        public async Task<Models.LoginResult> TokenPostTwoFactorAsync(TwoFactorProviderType type, string token, bool remember,
             string email, string masterPasswordHash, SymmetricCryptoKey key)
         {
-            var result = new LoginResult();
+            var result = new Models.LoginResult();
 
             var request = new TokenRequest
             {

src/App/Services/CipherService.cs

@@ -250,7 +250,7 @@ namespace Bit.App.Services
             else if(response.StatusCode == System.Net.HttpStatusCode.Forbidden
                 || response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
             {
-                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                _authService.LogOut();
             }
 
             return response;
@@ -272,7 +272,7 @@ namespace Bit.App.Services
             else if(response.StatusCode == System.Net.HttpStatusCode.Forbidden
                 || response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
             {
-                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                _authService.LogOut();
             }
 
             return response;
@@ -334,7 +334,7 @@ namespace Bit.App.Services
             else if(response.StatusCode == System.Net.HttpStatusCode.Forbidden
                 || response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
             {
-                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                _authService.LogOut();
             }
 
             return response;
@@ -359,7 +359,7 @@ namespace Bit.App.Services
             else if(response.StatusCode == System.Net.HttpStatusCode.Forbidden
                 || response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
             {
-                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                _authService.LogOut();
             }
 
             return response;

src/App/Services/FolderService.cs

@@ -75,7 +75,7 @@ namespace Bit.App.Services
             else if(response.StatusCode == System.Net.HttpStatusCode.Forbidden
                 || response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
             {
-                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                _authService.LogOut();
             }
 
             return response;
@@ -91,7 +91,7 @@ namespace Bit.App.Services
             else if(response.StatusCode == System.Net.HttpStatusCode.Forbidden
                 || response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
             {
-                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                _authService.LogOut();
             }
 
             return response;

src/App/Services/LockService.cs

@@ -4,6 +4,10 @@ using Plugin.Settings.Abstractions;
 using Plugin.Fingerprint.Abstractions;
 using Bit.App.Enums;
 using System.Threading.Tasks;
+using Bit.App.Controls;
+using Bit.App.Pages;
+using Xamarin.Forms;
+using System.Linq;
 
 namespace Bit.App.Services
 {
@@ -79,5 +83,58 @@ namespace Bit.App.Services
                 return LockType.Password;
             }
         }
+
+        public async Task CheckLockAsync(bool forceLock)
+        {
+            if(TopPageIsLock())
+            {
+                // already locked
+                return;
+            }
+
+            var lockType = await GetLockTypeAsync(forceLock);
+            if(lockType == LockType.None)
+            {
+                return;
+            }
+
+            _appSettings.Locked = true;
+            switch(lockType)
+            {
+                case LockType.Fingerprint:
+                    await Application.Current.MainPage.Navigation.PushModalAsync(
+                        new ExtendedNavigationPage(new LockFingerprintPage(!forceLock)), false);
+                    break;
+                case LockType.PIN:
+                    await Application.Current.MainPage.Navigation.PushModalAsync(
+                        new ExtendedNavigationPage(new LockPinPage()), false);
+                    break;
+                case LockType.Password:
+                    await Application.Current.MainPage.Navigation.PushModalAsync(
+                        new ExtendedNavigationPage(new LockPasswordPage()), false);
+                    break;
+                default:
+                    break;
+            }
+        }
+
+        public bool TopPageIsLock()
+        {
+            var currentPage = Application.Current.MainPage.Navigation.ModalStack.LastOrDefault() as ExtendedNavigationPage;
+            if((currentPage?.CurrentPage as LockFingerprintPage) != null)
+            {
+                return true;
+            }
+            if((currentPage?.CurrentPage as LockPinPage) != null)
+            {
+                return true;
+            }
+            if((currentPage?.CurrentPage as LockPasswordPage) != null)
+            {
+                return true;
+            }
+
+            return false;
+        }
     }
 }

src/App/Services/SyncService.cs

@@ -305,7 +305,7 @@ namespace Bit.App.Services
             if(Application.Current != null && (accountRevisionDate.StatusCode == System.Net.HttpStatusCode.Forbidden
                 || accountRevisionDate.StatusCode == System.Net.HttpStatusCode.Unauthorized))
             {
-                MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                _authService.LogOut();
             }
 
             return false;
@@ -477,7 +477,7 @@ namespace Bit.App.Services
             }
 
             SyncInProgress = true;
-            MessagingCenter.Send(Application.Current, "SyncStarted");
+            MessagingCenter.Send(this, "SyncStarted");
         }
 
         private void SyncCompleted(bool successfully)
@@ -488,7 +488,7 @@ namespace Bit.App.Services
             }
 
             SyncInProgress = false;
-            MessagingCenter.Send(Application.Current, "SyncCompleted", successfully);
+            MessagingCenter.Send(this, "SyncCompleted", successfully);
         }
 
         private bool CheckSuccess<T>(ApiResult<T> result, bool logout = false)
@@ -501,7 +501,7 @@ namespace Bit.App.Services
                     result.StatusCode == System.Net.HttpStatusCode.Forbidden ||
                     result.StatusCode == System.Net.HttpStatusCode.Unauthorized))
                 {
-                    MessagingCenter.Send(Application.Current, "Logout", (string)null);
+                    _authService.LogOut();
                 }
 
                 return false;

src/iOS.Core/Services/GoogleAnalyticsService.cs

@@ -8,15 +8,11 @@ namespace Bit.iOS.Core.Services
     public class GoogleAnalyticsService : IGoogleAnalyticsService
     {
         private readonly ITracker _tracker;
-        private readonly IAuthService _authService;
 
         public GoogleAnalyticsService(
             IAppIdService appIdService,
-            IAuthService authService,
             ISettings settings)
         {
-            _authService = authService;
-
             Gai.SharedInstance.DispatchInterval = 10;
             Gai.SharedInstance.TrackUncaughtExceptions = false;
             _tracker = Gai.SharedInstance.GetTracker("UA-81915606-1");

src/iOS/Services/DeviceActionService.cs

@@ -9,16 +9,21 @@ using Xamarin.Forms;
 using Photos;
 using System.Net;
 using System.Threading.Tasks;
+using Bit.App.Models.Page;
 
 namespace Bit.iOS.Services
 {
     public class DeviceActionService : IDeviceActionService
     {
         private readonly IAppSettingsService _appSettingsService;
+        private readonly IDeviceInfoService _deviceInfoService;
 
-        public DeviceActionService(IAppSettingsService appSettingsService)
+        public DeviceActionService(
+            IAppSettingsService appSettingsService,
+            IDeviceInfoService deviceInfoService)
         {
             _appSettingsService = appSettingsService;
+            _deviceInfoService = deviceInfoService;
         }
 
         public void CopyToClipboard(string text)
@@ -202,5 +207,48 @@ namespace Bit.iOS.Services
             MessagingCenter.Send(Xamarin.Forms.Application.Current, "SelectFileResult",
                 new Tuple<byte[], string>(data, fileName));
         }
+
+        public void Autofill(VaultListPageModel.Cipher cipher)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void CloseAutofill()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void Background()
+        {
+            // do nothing
+        }
+
+        public void RateApp()
+        {
+            if(_deviceInfoService.Version < 11)
+            {
+                Device.OpenUri(new Uri("itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews" +
+                    "?id=1137397744&onlyLatestVersion=true&pageNumber=0&sortOrdering=1&type=Purple+Software"));
+            }
+            else
+            {
+                Device.OpenUri(new Uri("itms-apps://itunes.apple.com/us/app/id1137397744?action=write-review"));
+            }
+        }
+
+        public void DismissKeyboard()
+        {
+            // do nothing
+        }
+
+        public void OpenAccessibilitySettings()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void LaunchApp(string appName)
+        {
+            throw new NotImplementedException();
+        }
     }
 }