[EC-259] Added Account Switching to Share extension on iOS (#1971)

* EC-259 Added Account switching on share extension on iOS, also improved performance for this and exception handling

* EC-259 code formatting

* EC-259 Added account switching to Share extension Send view

* EC-259 Fixed navigation on share extension when a forms page is already presented

* EC-259 Fix send text UI update when going from the iOS extension

* EC-259 Improved DateTimeViewModel with helper property to easily setup date and time at the same time and applied on usage

src/Android/MainApplication.cs

@@ -20,6 +20,7 @@ using System.Net;
 using Bit.App.Utilities;
 using Bit.App.Pages;
 using Bit.App.Utilities.AccountManagement;
+using Bit.App.Controls;
 #if !FDROID
 using Android.Gms.Security;
 #endif
@@ -69,7 +70,8 @@ namespace Bit.Droid
                     ServiceContainer.Resolve<IStorageService>("secureStorageService"),
                     ServiceContainer.Resolve<IStateService>("stateService"),
                     ServiceContainer.Resolve<IPlatformUtilsService>("platformUtilsService"),
-                    ServiceContainer.Resolve<IAuthService>("authService"));
+                    ServiceContainer.Resolve<IAuthService>("authService"),
+                    ServiceContainer.Resolve<ILogger>("logger"));
                 ServiceContainer.Register<IAccountsManager>("accountsManager", accountsManager);
             }
 #if !FDROID
@@ -160,6 +162,7 @@ namespace Bit.Droid
             ServiceContainer.Register<ICryptoFunctionService>("cryptoFunctionService", cryptoFunctionService);
             ServiceContainer.Register<ICryptoService>("cryptoService", cryptoService);
             ServiceContainer.Register<IPasswordRepromptService>("passwordRepromptService", passwordRepromptService);
+            ServiceContainer.Register<IAvatarImageSourcePool>("avatarImageSourcePool", new AvatarImageSourcePool());
 
             // Push
 #if FDROID

src/App/App.csproj

@@ -129,12 +129,10 @@
     <Folder Include="Behaviors\" />
     <Folder Include="Controls\AccountSwitchingOverlay\" />
     <Folder Include="Utilities\AccountManagement\" />
+    <Folder Include="Controls\DateTime\" />
   </ItemGroup>
 
   <ItemGroup>
-    <EmbeddedResource Update="Controls\CipherViewCell\CipherViewCell.xaml">
-      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
-    </EmbeddedResource>
     <EmbeddedResource Remove="Pages\Accounts\AccountsPopupPage.xaml" />
   </ItemGroup>
 
@@ -162,12 +160,6 @@
     </Compile>
   </ItemGroup>
 
-  <ItemGroup>
-    <EmbeddedResource Update="Styles\Base.xaml">
-      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
-    </EmbeddedResource>
-  </ItemGroup>
-
   <ItemGroup>
     <Compile Update="Resources\AppResources.cs.Designer.cs">
       <DependentUpon>AppResources.cs.resx</DependentUpon>
@@ -422,5 +414,6 @@
     <None Remove="Xamarin.CommunityToolkit" />
     <None Remove="Controls\AccountSwitchingOverlay\" />
     <None Remove="Utilities\AccountManagement\" />
+    <None Remove="Controls\DateTime\" />
   </ItemGroup>
 </Project>

src/App/Controls/AccountViewCell/AccountViewCellViewModel.cs

@@ -13,7 +13,8 @@ namespace Bit.App.Controls
         public AccountViewCellViewModel(AccountView accountView)
         {
             AccountView = accountView;
-            AvatarImageSource = new AvatarImageSource(AccountView.Name, AccountView.Email);
+            AvatarImageSource = ServiceContainer.Resolve<IAvatarImageSourcePool>("avatarImageSourcePool")
+                                                ?.GetOrCreateAvatar(AccountView.Name, AccountView.Email);
         }
 
         public AccountView AccountView

src/App/Controls/AvatarImageSource.cs

@@ -50,7 +50,7 @@ namespace Bit.App.Controls
 
         private Stream Draw()
         {
-            string chars = null;
+            string chars;
             string upperData = null;
 
             if (string.IsNullOrEmpty(_data))
@@ -71,30 +71,39 @@ namespace Bit.App.Controls
             var textColor = Color.White;
             var size = 50;
 
-            var bitmap = new SKBitmap(
-                size * 2,
+            using (var bitmap = new SKBitmap(size * 2,
                 size * 2,
                 SKImageInfo.PlatformColorType,
-                SKAlphaType.Premul);
-            var canvas = new SKCanvas(bitmap);
+                SKAlphaType.Premul))
+            {
+                using (var canvas = new SKCanvas(bitmap))
+                {
                     canvas.Clear(SKColors.Transparent);
-
-            var midX = canvas.LocalClipBounds.Size.ToSizeI().Width / 2;
-            var midY = canvas.LocalClipBounds.Size.ToSizeI().Height / 2;
-            var radius = midX - midX / 5;
-
-            var circlePaint = new SKPaint
+                    using (var paint = new SKPaint
                     {
                         IsAntialias = true,
                         Style = SKPaintStyle.Fill,
                         StrokeJoin = SKStrokeJoin.Miter,
                         Color = SKColor.Parse(bgColor.ToHex())
-            };
+                    })
+                    {
+                        var midX = canvas.LocalClipBounds.Size.ToSizeI().Width / 2;
+                        var midY = canvas.LocalClipBounds.Size.ToSizeI().Height / 2;
+                        var radius = midX - midX / 5;
+
+                        using (var circlePaint = new SKPaint
+                        {
+                            IsAntialias = true,
+                            Style = SKPaintStyle.Fill,
+                            StrokeJoin = SKStrokeJoin.Miter,
+                            Color = SKColor.Parse(bgColor.ToHex())
+                        })
+                        {
                             canvas.DrawCircle(midX, midY, radius, circlePaint);
 
                             var typeface = SKTypeface.FromFamilyName("Arial", SKFontStyle.Normal);
                             var textSize = midX / 1.3f;
-            var textPaint = new SKPaint
+                            using (var textPaint = new SKPaint
                             {
                                 IsAntialias = true,
                                 Style = SKPaintStyle.Fill,
@@ -102,12 +111,22 @@ namespace Bit.App.Controls
                                 TextSize = textSize,
                                 TextAlign = SKTextAlign.Center,
                                 Typeface = typeface
-            };
+                            })
+                            {
                                 var rect = new SKRect();
                                 textPaint.MeasureText(chars, ref rect);
                                 canvas.DrawText(chars, midX, midY + rect.Height / 2, textPaint);
 
-            return SKImage.FromBitmap(bitmap).Encode(SKEncodedImageFormat.Png, 100).AsStream();
+                                using (var img = SKImage.FromBitmap(bitmap))
+                                {
+                                    var data = img.Encode(SKEncodedImageFormat.Png, 100);
+                                    return data?.AsStream(true);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
         }
 
         private string GetFirstLetters(string data, int charCount)

src/App/Controls/AvatarImageSourcePool.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Concurrent;
+
+namespace Bit.App.Controls
+{
+    public interface IAvatarImageSourcePool
+    {
+        AvatarImageSource GetOrCreateAvatar(string name, string email);
+    }
+
+    public class AvatarImageSourcePool : IAvatarImageSourcePool
+    {
+        private readonly ConcurrentDictionary<string, AvatarImageSource> _cache = new ConcurrentDictionary<string, AvatarImageSource>();
+
+        public AvatarImageSource GetOrCreateAvatar(string name, string email)
+        {
+            var key = $"{name}{email}";
+            if (!_cache.TryGetValue(key, out var avatar))
+            {
+                avatar = new AvatarImageSource(name, email);
+                if (!_cache.TryAdd(key, avatar)
+                    &&
+                    !_cache.TryGetValue(key, out avatar)) // If add fails another thread created the avatar in between the first try get and the try add.
+                {
+                    // if add and get after fails, then something wrong is going on with this method.
+                    throw new InvalidOperationException("Something is wrong creating the avatar image");
+                }
+            }
+            return avatar;
+        }
+    }
+}
+

src/App/Controls/DateTime/DateTimePicker.xaml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<Grid
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:controls="clr-namespace:Bit.App.Controls"
+    x:Class="Bit.App.Controls.DateTimePicker"
+    ColumnDefinitions="*,*">
+    <controls:ExtendedDatePicker
+        x:Name="_datePicker"
+        Grid.Column="0"
+        NullableDate="{Binding Date, Mode=TwoWay}"
+        Format="d"
+        AutomationProperties.IsInAccessibleTree="True" />
+    <controls:ExtendedTimePicker
+        x:Name="_timePicker"
+        Grid.Column="1"
+        NullableTime="{Binding Time, Mode=TwoWay}"
+        Format="t"
+        AutomationProperties.IsInAccessibleTree="True" />
+</Grid>

src/App/Controls/DateTime/DateTimePicker.xaml.cs

@@ -0,0 +1,34 @@
+using System.Runtime.CompilerServices;
+using Xamarin.CommunityToolkit.UI.Views;
+using Xamarin.Forms;
+
+namespace Bit.App.Controls
+{
+    public partial class DateTimePicker : Grid
+    {
+        public DateTimePicker()
+        {
+            InitializeComponent();
+        }
+
+        protected override void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        {
+            base.OnPropertyChanged(propertyName);
+
+            if (propertyName == nameof(BindingContext)
+                &&
+                BindingContext is DateTimeViewModel dateTimeViewModel)
+            {
+                AutomationProperties.SetName(_datePicker, dateTimeViewModel.DateName);
+                AutomationProperties.SetName(_timePicker, dateTimeViewModel.TimeName);
+
+                _datePicker.PlaceHolder = dateTimeViewModel.DatePlaceholder;
+                _timePicker.PlaceHolder = dateTimeViewModel.TimePlaceholder;
+            }
+        }
+    }
+
+    public class LazyDateTimePicker : LazyView<DateTimePicker>
+    {
+    }
+}

src/App/Controls/DateTime/DateTimeViewModel.cs

@@ -0,0 +1,70 @@
+using System;
+using Bit.Core.Utilities;
+
+namespace Bit.App.Controls
+{
+    public class DateTimeViewModel : ExtendedViewModel
+    {
+        DateTime? _date;
+        TimeSpan? _time;
+
+        public DateTimeViewModel(string dateName, string timeName)
+        {
+            DateName = dateName;
+            TimeName = timeName;
+        }
+
+        public Action<DateTime?> OnDateChanged { get; set; }
+        public Action<TimeSpan?> OnTimeChanged { get; set; }
+
+        public DateTime? Date
+        {
+            get => _date;
+            set
+            {
+                if (SetProperty(ref _date, value))
+                {
+                    OnDateChanged?.Invoke(value);
+                }
+            }
+        }
+        public TimeSpan? Time
+        {
+            get => _time;
+            set
+            {
+                if (SetProperty(ref _time, value))
+                {
+                    OnTimeChanged?.Invoke(value);
+                }
+            }
+        }
+
+        public string DateName { get; }
+        public string TimeName { get; }
+
+        public string DatePlaceholder { get; set; }
+        public string TimePlaceholder { get; set; }
+
+        public DateTime? DateTime
+        {
+            get
+            {
+                if (Date.HasValue)
+                {
+                    if (Time.HasValue)
+                    {
+                        return Date.Value.Add(Time.Value);
+                    }
+                    return Date;
+                }
+                return null;
+            }
+            set
+            {
+                Date = value?.Date;
+                Time = value?.Date.TimeOfDay;
+            }
+        }
+    }
+}

src/App/Pages/Send/SendAddEditPage.xaml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <pages:BaseContentPage
     xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
@@ -303,14 +303,14 @@
                                         <ColumnDefinition Width="*" />
                                     </Grid.ColumnDefinitions>
                                     <controls:ExtendedDatePicker
-                                        NullableDate="{Binding DeletionDate, Mode=TwoWay}"
+                                        NullableDate="{Binding DeletionDateTimeViewModel.Date, Mode=TwoWay}"
                                         Format="d"
                                         IsEnabled="{Binding SendEnabled}"
                                         AutomationProperties.IsInAccessibleTree="True"
                                         AutomationProperties.Name="{u:I18n DeletionDate}"
                                         Grid.Column="0" />
                                     <controls:ExtendedTimePicker
-                                        NullableTime="{Binding DeletionTime, Mode=TwoWay}"
+                                        NullableTime="{Binding DeletionDateTimeViewModel.Time, Mode=TwoWay}"
                                         Format="t"
                                         IsEnabled="{Binding SendEnabled}"
                                         AutomationProperties.IsInAccessibleTree="True"
@@ -343,7 +343,7 @@
                                         <ColumnDefinition Width="*" />
                                     </Grid.ColumnDefinitions>
                                     <controls:ExtendedDatePicker
-                                        NullableDate="{Binding ExpirationDate, Mode=TwoWay}"
+                                        NullableDate="{Binding ExpirationDateTimeViewModel.Date, Mode=TwoWay}"
                                         PlaceHolder="mm/dd/yyyy"
                                         Format="d"
                                         IsEnabled="{Binding SendEnabled}"
@@ -351,7 +351,7 @@
                                         AutomationProperties.Name="{u:I18n ExpirationDate}"
                                         Grid.Column="0" />
                                     <controls:ExtendedTimePicker
-                                        NullableTime="{Binding ExpirationTime, Mode=TwoWay}"
+                                        NullableTime="{Binding ExpirationDateTimeViewModel.Time, Mode=TwoWay}"
                                         PlaceHolder="--:-- --"
                                         Format="t"
                                         IsEnabled="{Binding SendEnabled}"

src/App/Pages/Send/SendAddEditPage.xaml.cs

@@ -23,7 +23,6 @@ namespace Bit.App.Pages
         private AppOptions _appOptions;
         private SendAddEditPageViewModel _vm;
 
-        public Action OnClose { get; set; }
         public Action AfterSubmit { get; set; }
 
         public SendAddEditPage(
@@ -135,16 +134,9 @@ namespace Bit.App.Pages
         }
 
         private async Task CloseAsync()
-        {
-            if (OnClose is null)
         {
             await Navigation.PopModalAsync();
         }
-            else
-            {
-                OnClose();
-            }
-        }
 
         protected override bool OnBackButtonPressed()
         {

src/App/Pages/Send/SendAddEditPageViewModel.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using Bit.App.Abstractions;
+using Bit.App.Controls;
 using Bit.App.Resources;
 using Bit.App.Utilities;
 using Bit.Core;
@@ -23,7 +24,7 @@ namespace Bit.App.Pages
         private readonly IStateService _stateService;
         private readonly ISendService _sendService;
         private readonly ILogger _logger;
-        private bool _sendEnabled;
+        private bool _sendEnabled = true;
         private bool _canAccessPremium;
         private bool _emailVerified;
         private SendView _send;
@@ -33,11 +34,7 @@ namespace Bit.App.Pages
         private int _deletionDateTypeSelectedIndex;
         private int _expirationDateTypeSelectedIndex;
         private DateTime _simpleDeletionDateTime;
-        private DateTime _deletionDate;
-        private TimeSpan _deletionTime;
         private DateTime? _simpleExpirationDateTime;
-        private DateTime? _expirationDate;
-        private TimeSpan? _expirationTime;
         private bool _isOverridingPickers;
         private int? _maxAccessCount;
         private string[] _additionalSendProperties = new[]
@@ -89,8 +86,34 @@ namespace Bit.App.Pages
                 new KeyValuePair<string, string>(AppResources.ThirtyDays, AppResources.ThirtyDays),
                 new KeyValuePair<string, string>(AppResources.Custom, AppResources.Custom),
             };
+
+            DeletionDateTimeViewModel = new DateTimeViewModel(AppResources.DeletionDate, AppResources.DeletionTime);
+            ExpirationDateTimeViewModel = new DateTimeViewModel(AppResources.ExpirationDate, AppResources.ExpirationTime)
+            {
+                OnDateChanged = date =>
+                {
+                    if (!_isOverridingPickers && !ExpirationDateTimeViewModel.Time.HasValue)
+                    {
+                        // auto-set time to current time upon setting date
+                        ExpirationDateTimeViewModel.Time = DateTimeNow().TimeOfDay;
+                    }
+                },
+                OnTimeChanged = time =>
+                {
+                    if (!_isOverridingPickers && !ExpirationDateTimeViewModel.Date.HasValue)
+                    {
+                        // auto-set date to current date upon setting time
+                        ExpirationDateTimeViewModel.Date = DateTime.Today;
+                    }
+                },
+                DatePlaceholder = "mm/dd/yyyy",
+                TimePlaceholder = "--:-- --"
+            };
+
+            AccountSwitchingOverlayViewModel = new AccountSwitchingOverlayViewModel(_stateService, _messagingService, _logger);
         }
 
+        public AccountSwitchingOverlayViewModel AccountSwitchingOverlayViewModel { get; }
         public Command TogglePasswordCommand { get; set; }
         public Command ToggleOptionsCommand { get; set; }
         public string SendId { get; set; }
@@ -126,23 +149,14 @@ namespace Bit.App.Pages
                 }
             }
         }
-        public DateTime DeletionDate
-        {
-            get => _deletionDate;
-            set => SetProperty(ref _deletionDate, value);
-        }
-        public TimeSpan DeletionTime
-        {
-            get => _deletionTime;
-            set => SetProperty(ref _deletionTime, value);
-        }
         public bool ShowOptions
         {
             get => _showOptions;
             set => SetProperty(ref _showOptions, value,
                 additionalPropertyNames: new[]
                 {
-                    nameof(OptionsAccessilibityText)
+                    nameof(OptionsAccessilibityText),
+                    nameof(OptionsShowHideIcon)
                 });
         }
         public int ExpirationDateTypeSelectedIndex
@@ -156,28 +170,7 @@ namespace Bit.App.Pages
                 }
             }
         }
-        public DateTime? ExpirationDate
-        {
-            get => _expirationDate;
-            set
-            {
-                if (SetProperty(ref _expirationDate, value))
-                {
-                    ExpirationDateChanged();
-                }
-            }
-        }
-        public TimeSpan? ExpirationTime
-        {
-            get => _expirationTime;
-            set
-            {
-                if (SetProperty(ref _expirationTime, value))
-                {
-                    ExpirationTimeChanged();
-                }
-            }
-        }
+
         public int? MaxAccessCount
         {
             get => _maxAccessCount;
@@ -205,7 +198,7 @@ namespace Bit.App.Pages
         }
         public string FileName
         {
-            get => _fileName;
+            get => _fileName ?? AppResources.NoFileChosen;
             set
             {
                 if (SetProperty(ref _fileName, value))
@@ -240,10 +233,13 @@ namespace Bit.App.Pages
         public bool IsFile => Send?.Type == SendType.File;
         public bool ShowDeletionCustomPickers => EditMode || DeletionDateTypeSelectedIndex == 6;
         public bool ShowExpirationCustomPickers => EditMode || ExpirationDateTypeSelectedIndex == 7;
+        public DateTimeViewModel DeletionDateTimeViewModel { get; }
+        public DateTimeViewModel ExpirationDateTimeViewModel { get; }
         public string ShowPasswordIcon => ShowPassword ? BitwardenIcons.EyeSlash : BitwardenIcons.Eye;
         public string PasswordVisibilityAccessibilityText => ShowPassword ? AppResources.PasswordIsVisibleTapToHide : AppResources.PasswordIsNotVisibleTapToShow;
         public string FileTypeAccessibilityLabel => IsFile ? AppResources.FileTypeIsSelected : AppResources.FileTypeIsNotSelected;
         public string TextTypeAccessibilityLabel => IsText ? AppResources.TextTypeIsSelected : AppResources.TextTypeIsNotSelected;
+        public string OptionsShowHideIcon => ShowOptions ? BitwardenIcons.ChevronUp : BitwardenIcons.AngleDown;
 
         public async Task InitAsync()
         {
@@ -268,10 +264,8 @@ namespace Bit.App.Pages
                         return false;
                     }
                     Send = await send.DecryptAsync();
-                    DeletionDate = Send.DeletionDate.ToLocalTime();
-                    DeletionTime = DeletionDate.TimeOfDay;
-                    ExpirationDate = Send.ExpirationDate?.ToLocalTime();
-                    ExpirationTime = ExpirationDate?.TimeOfDay;
+                    DeletionDateTimeViewModel.DateTime = Send.DeletionDate.ToLocalTime();
+                    ExpirationDateTimeViewModel.DateTime = Send.ExpirationDate?.ToLocalTime();
                 }
                 else
                 {
@@ -280,8 +274,7 @@ namespace Bit.App.Pages
                     {
                         Type = Type.GetValueOrDefault(defaultType),
                     };
-                    _deletionDate = DateTimeNow().AddDays(7);
-                    _deletionTime = DeletionDate.TimeOfDay;
+                    DeletionDateTimeViewModel.DateTime = DateTimeNow().AddDays(7);
                     DeletionDateTypeSelectedIndex = 4;
                     ExpirationDateTypeSelectedIndex = 0;
                 }
@@ -305,23 +298,22 @@ namespace Bit.App.Pages
         public void ClearExpirationDate()
         {
             _isOverridingPickers = true;
-            ExpirationDate = null;
-            ExpirationTime = null;
+            ExpirationDateTimeViewModel.DateTime = null;
             _isOverridingPickers = false;
         }
 
         private void UpdateSendData()
         {
             // filename
-            if (Send.File != null && FileName != null)
+            if (Send.File != null && _fileName != null)
             {
-                Send.File.FileName = FileName;
+                Send.File.FileName = _fileName;
             }
 
             // deletion date
             if (ShowDeletionCustomPickers)
             {
-                Send.DeletionDate = DeletionDate.Date.Add(DeletionTime).ToUniversalTime();
+                Send.DeletionDate = DeletionDateTimeViewModel.DateTime.Value.ToUniversalTime();
             }
             else
             {
@@ -329,9 +321,9 @@ namespace Bit.App.Pages
             }
 
             // expiration date
-            if (ShowExpirationCustomPickers && ExpirationDate.HasValue && ExpirationTime.HasValue)
+            if (ShowExpirationCustomPickers && ExpirationDateTimeViewModel.DateTime.HasValue)
             {
-                Send.ExpirationDate = ExpirationDate.Value.Date.Add(ExpirationTime.Value).ToUniversalTime();
+                Send.ExpirationDate = ExpirationDateTimeViewModel.DateTime.Value.ToUniversalTime();
             }
             else if (_simpleExpirationDateTime.HasValue)
             {
@@ -484,7 +476,7 @@ namespace Bit.App.Pages
                     return;
                 }
 
-                if (Page is SendAddEditPage sendPage && sendPage.OnClose != null)
+                if (Page is SendAddOnlyPage sendPage && sendPage.OnClose != null)
                 {
                     sendPage.OnClose();
                     return;
@@ -625,24 +617,6 @@ namespace Bit.App.Pages
             }
         }
 
-        private void ExpirationDateChanged()
-        {
-            if (!_isOverridingPickers && !ExpirationTime.HasValue)
-            {
-                // auto-set time to current time upon setting date
-                ExpirationTime = DateTimeNow().TimeOfDay;
-            }
-        }
-
-        private void ExpirationTimeChanged()
-        {
-            if (!_isOverridingPickers && !ExpirationDate.HasValue)
-            {
-                // auto-set date to current date upon setting time
-                ExpirationDate = DateTime.Today;
-            }
-        }
-
         private void MaxAccessCountChanged()
         {
             Send.MaxAccessCount = _maxAccessCount;
@@ -666,5 +640,10 @@ namespace Bit.App.Pages
                 DateTimeKind.Local
             );
         }
+
+        internal void TriggerSendTextPropertyChanged()
+        {
+            Device.BeginInvokeOnMainThread(() => TriggerPropertyChanged(nameof(Send)));
+        }
     }
 }

src/App/Pages/Send/SendAddOnlyOptionsView.xaml

@@ -0,0 +1,183 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<ContentView
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:pages="clr-namespace:Bit.App.Pages"
+    xmlns:u="clr-namespace:Bit.App.Utilities"
+    xmlns:controls="clr-namespace:Bit.App.Controls"
+    xmlns:effects="clr-namespace:Bit.App.Effects"
+    xmlns:ios="clr-namespace:Xamarin.Forms.PlatformConfiguration.iOSSpecific;assembly=Xamarin.Forms.Core"
+    x:DataType="pages:SendAddEditPageViewModel"
+    x:Class="Bit.App.Pages.SendAddOnlyOptionsView">
+    <ContentView.Resources>
+        <ResourceDictionary>
+            <u:InverseBoolConverter x:Key="inverseBool" />
+        </ResourceDictionary>
+    </ContentView.Resources>
+    <ContentView.Content>
+        <StackLayout>
+            <StackLayout
+                StyleClass="box-row"
+                Margin="0,10,0,0">
+                <Label
+                    Text="{u:I18n DeletionDate}"
+                    StyleClass="box-label" />
+                <Picker
+                    x:Name="_deletionDateTypePicker"
+                    ItemsSource="{Binding DeletionTypeOptions, Mode=OneTime}"
+                    SelectedIndex="{Binding DeletionDateTypeSelectedIndex}"
+                    IsEnabled="{Binding SendEnabled}"
+                    StyleClass="box-value"
+                    ItemDisplayBinding="{Binding Key}"
+                    ios:Picker.UpdateMode="WhenFinished"
+                    AutomationProperties.IsInAccessibleTree="True"
+                    AutomationProperties.Name="{u:I18n DeletionTime}" />
+                <controls:LazyDateTimePicker
+                    x:Name="_lazyDeletionDateTimePicker"
+                    BindingContext="{Binding DeletionDateTimeViewModel}"
+                    IsVisible="{Binding ShowDeletionCustomPickers}"
+                    Margin="0,5,0,0" />
+                <Label
+                    Text="{u:I18n DeletionDateInfo}"
+                    StyleClass="box-footer-label"
+                    Margin="0,5,0,0" />
+            </StackLayout>
+            <StackLayout StyleClass="box-row" Margin="0,5,0,0">
+                <Label
+                    Text="{u:I18n ExpirationDate}"
+                    StyleClass="box-label" />
+                <Picker
+                    x:Name="_expirationDateTypePicker"
+                    ItemsSource="{Binding ExpirationTypeOptions, Mode=OneTime}"
+                    SelectedIndex="{Binding ExpirationDateTypeSelectedIndex}"
+                    ItemDisplayBinding="{Binding Key}"
+                    ios:Picker.UpdateMode="WhenFinished"
+                    IsEnabled="{Binding SendEnabled}"
+                    StyleClass="box-value"
+                    AutomationProperties.IsInAccessibleTree="True"
+                    AutomationProperties.Name="{u:I18n ExpirationTime}" />
+                <controls:LazyDateTimePicker
+                    x:Name="_lazyExpirationDateTimePicker"
+                    BindingContext="{Binding ExpirationDateTimeViewModel}"
+                    IsVisible="{Binding ShowExpirationCustomPickers}"
+                    Margin="0,5,0,0" />
+                <Label
+                    Text="{u:I18n ExpirationDateInfo}"
+                    StyleClass="box-footer-label"
+                    HorizontalOptions="StartAndExpand"
+                    Margin="0,5,0,0" />
+            </StackLayout>
+            <StackLayout
+                StyleClass="box-row"
+                Margin="0,5,0,0">
+                <Label
+                    Text="{u:I18n MaximumAccessCount}"
+                    StyleClass="box-label" />
+                <StackLayout
+                    StyleClass="box-row"
+                    Orientation="Horizontal">
+                    <Entry
+                        Text="{Binding MaxAccessCount}"
+                        IsEnabled="{Binding SendEnabled}"
+                        StyleClass="box-value"
+                        Keyboard="Numeric"
+                        MaxLength="9"
+                        TextChanged="OnMaxAccessCountTextChanged"
+                        HorizontalOptions="FillAndExpand" />
+                    <controls:ExtendedStepper
+                        x:Name="_maxAccessCountStepper"
+                        Value="{Binding MaxAccessCount}"
+                        Maximum="999999999"
+                        IsEnabled="{Binding SendEnabled}"
+                        Margin="10,0,0,0" />
+                </StackLayout>
+                <Label
+                    Text="{u:I18n MaximumAccessCountInfo}"
+                    StyleClass="box-footer-label" />
+            </StackLayout>
+            <StackLayout
+                StyleClass="box-row"
+                Margin="0,5,0,0">
+                <Label
+                    Text="{u:I18n NewPassword}"
+                    StyleClass="box-label" />
+                <StackLayout Orientation="Horizontal">
+                    <Entry
+                        Text="{Binding NewPassword}"
+                        IsPassword="{Binding ShowPassword, Converter={StaticResource inverseBool}}"
+                        IsEnabled="{Binding SendEnabled}"
+                        StyleClass="box-value"
+                        IsSpellCheckEnabled="False"
+                        IsTextPredictionEnabled="False"
+                        HorizontalOptions="FillAndExpand" />
+                    <controls:IconButton
+                        IsEnabled="{Binding SendEnabled}"
+                        StyleClass="box-row-button, box-row-button-platform"
+                        Text="{Binding ShowPasswordIcon}"
+                        Command="{Binding TogglePasswordCommand}"
+                        Margin="10,0,0,0"
+                        AutomationProperties.IsInAccessibleTree="True"
+                        AutomationProperties.Name="{u:I18n ToggleVisibility}"
+                        AutomationProperties.HelpText="{Binding PasswordVisibilityAccessibilityText}" />
+                </StackLayout>
+                <Label
+                    Text="{u:I18n PasswordInfo}"
+                    StyleClass="box-footer-label"
+                    Margin="0,5,0,0" />
+            </StackLayout>
+            <StackLayout
+                StyleClass="box-row"
+                Margin="0,5,0,0">
+                <Label
+                    Text="{u:I18n Notes}"
+                    StyleClass="box-label" />
+                <Editor
+                    x:Name="_notesEditor"
+                    AutoSize="TextChanges"
+                    Text="{Binding Send.Notes}"
+                    IsEnabled="{Binding SendEnabled}"
+                    StyleClass="box-value"
+                    Margin="0,10,0,5"
+                    effects:ScrollEnabledEffect.IsScrollEnabled="false" >
+                    <Editor.Effects>
+                        <effects:ScrollEnabledEffect />
+                    </Editor.Effects>
+                </Editor>
+                <BoxView
+                    StyleClass="box-row-separator" />
+                <Label
+                    Text="{u:I18n NotesInfo}"
+                    StyleClass="box-footer-label"
+                    Margin="0,5,0,0" />
+            </StackLayout>
+            <StackLayout
+                StyleClass="box-row, box-row-switch"
+                Margin="0,5,0,0">
+                <Label
+                    Text="{u:I18n HideEmail}"
+                    StyleClass="box-label-regular"
+                    VerticalOptions="Center"
+                    HorizontalOptions="StartAndExpand" />
+                <Switch
+                    IsToggled="{Binding Send.HideEmail}"
+                    IsEnabled="{Binding DisableHideEmailControl, Converter={StaticResource inverseBool}}"
+                    HorizontalOptions="End"
+                    Margin="10,0,0,0" />
+            </StackLayout>
+            <StackLayout
+                StyleClass="box-row, box-row-switch"
+                Margin="0,5,0,0">
+                <Label
+                    Text="{u:I18n DisableSend}"
+                    StyleClass="box-label-regular"
+                    VerticalOptions="Center"
+                    HorizontalOptions="StartAndExpand" />
+                <Switch
+                    IsToggled="{Binding Send.Disabled}"
+                    IsEnabled="{Binding SendEnabled}"
+                    HorizontalOptions="End"
+                    Margin="10,0,0,0" />
+            </StackLayout>
+        </StackLayout>
+    </ContentView.Content>
+</ContentView>

src/App/Pages/Send/SendAddOnlyOptionsView.xaml.cs

@@ -0,0 +1,91 @@
+using System.Runtime.CompilerServices;
+using System.Threading.Tasks;
+using Bit.App.Behaviors;
+using Xamarin.CommunityToolkit.UI.Views;
+using Xamarin.Forms;
+
+namespace Bit.App.Pages
+{
+    public partial class SendAddOnlyOptionsView : ContentView
+    {
+        public SendAddOnlyOptionsView()
+        {
+            InitializeComponent();
+        }
+
+        private SendAddEditPageViewModel ViewModel => BindingContext as SendAddEditPageViewModel;
+
+        public void SetMainScrollView(ScrollView scrollView)
+        {
+            _notesEditor.Behaviors.Add(new EditorPreventAutoBottomScrollingOnFocusedBehavior { ParentScrollView = scrollView });
+        }
+
+        private void OnMaxAccessCountTextChanged(object sender, TextChangedEventArgs e)
+        {
+            if (ViewModel is null)
+            {
+                return;
+            }
+
+            if (string.IsNullOrWhiteSpace(e.NewTextValue))
+            {
+                ViewModel.MaxAccessCount = null;
+                _maxAccessCountStepper.Value = 0;
+                return;
+            }
+            // accept only digits
+            if (!int.TryParse(e.NewTextValue, out int _))
+            {
+                ((Entry)sender).Text = e.OldTextValue;
+            }
+        }
+
+        protected override void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        {
+            base.OnPropertyChanged(propertyName);
+
+            if (propertyName == nameof(BindingContext)
+               &&
+               ViewModel != null)
+            {
+                ViewModel.PropertyChanged += ViewModel_PropertyChanged;
+            }
+        }
+
+        private void ViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
+        {
+            if (!_lazyDeletionDateTimePicker.IsLoaded
+                &&
+                e.PropertyName == nameof(SendAddEditPageViewModel.ShowDeletionCustomPickers)
+                &&
+                ViewModel.ShowDeletionCustomPickers)
+            {
+                _lazyDeletionDateTimePicker.LoadViewAsync();
+            }
+
+            if (!_lazyExpirationDateTimePicker.IsLoaded
+                &&
+                e.PropertyName == nameof(SendAddEditPageViewModel.ShowExpirationCustomPickers)
+                &&
+                ViewModel.ShowExpirationCustomPickers)
+            {
+                _lazyExpirationDateTimePicker.LoadViewAsync();
+            }
+        }
+    }
+
+    public class SendAddOnlyOptionsLazyView : LazyView<SendAddOnlyOptionsView>
+    {
+        public ScrollView MainScrollView { get; set; }
+
+        public override async ValueTask LoadViewAsync()
+        {
+            await base.LoadViewAsync();
+
+            if (Content is SendAddOnlyOptionsView optionsView)
+            {
+                optionsView.SetMainScrollView(MainScrollView);
+            }
+        }
+    }
+}

src/App/Pages/Send/SendAddOnlyPage.xaml

@@ -0,0 +1,190 @@
+<?xml version="1.0" encoding="utf-8"?>
+<pages:BaseContentPage
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    x:Class="Bit.App.Pages.SendAddOnlyPage"
+    xmlns:pages="clr-namespace:Bit.App.Pages"
+    xmlns:u="clr-namespace:Bit.App.Utilities"
+    xmlns:controls="clr-namespace:Bit.App.Controls"
+    xmlns:behaviors="clr-namespace:Bit.App.Behaviors"
+    xmlns:effects="clr-namespace:Bit.App.Effects"
+    x:DataType="pages:SendAddEditPageViewModel"
+    x:Name="_page"
+    Title="{Binding PageTitle}">
+    <ContentPage.BindingContext>
+        <pages:SendAddEditPageViewModel />
+    </ContentPage.BindingContext>
+
+    <ContentPage.ToolbarItems>
+        <!--Order matters here or the avatar's image won't be updated correctly, check iOS CustomNavigationRenderer for more info-->
+        <controls:ExtendedToolbarItem
+            x:Name="_accountAvatar"
+            IconImageSource="{Binding AvatarImageSource}"
+            Command="{Binding Source={x:Reference _accountListOverlay}, Path=ToggleVisibililtyCommand}"
+            Order="Primary"
+            Priority="-2"
+            UseOriginalImage="True"
+            AutomationProperties.IsInAccessibleTree="True"
+            AutomationProperties.Name="{u:I18n Account}" />
+        <ToolbarItem Text="{u:I18n Cancel}" Clicked="Close_Clicked" Order="Primary" Priority="-1" x:Name="_closeItem" />
+        <ToolbarItem Text="{u:I18n Save}" Clicked="Save_Clicked" Order="Primary" x:Name="_saveItem"/>
+    </ContentPage.ToolbarItems>
+
+    <ContentPage.Resources>
+        <ResourceDictionary>
+            <u:InverseBoolConverter x:Key="inverseBool" />
+        </ResourceDictionary>
+    </ContentPage.Resources>
+
+    <AbsoluteLayout>
+        <ScrollView
+            x:Name="_scrollView"
+            AbsoluteLayout.LayoutBounds="0, 0, 1, 1"
+            AbsoluteLayout.LayoutFlags="All">
+            <StackLayout x:Name="_mainContainer" StyleClass="box">
+                <Frame
+                    IsVisible="{Binding SendEnabled, Converter={StaticResource inverseBool}}"
+                    Padding="10"
+                    Margin="0, 12, 0, 0"
+                    HasShadow="False"
+                    BackgroundColor="Transparent"
+                    BorderColor="Accent">
+                    <Label
+                        Text="{u:I18n SendDisabledWarning}"
+                        StyleClass="text-muted, text-sm, text-bold"
+                        HorizontalTextAlignment="Center" />
+                </Frame>
+                <Frame
+                    IsVisible="{Binding SendOptionsPolicyInEffect}"
+                    Padding="10"
+                    Margin="0, 12, 0, 0"
+                    HasShadow="False"
+                    BackgroundColor="Transparent"
+                    BorderColor="Accent">
+                    <Label
+                        Text="{u:I18n SendOptionsPolicyInEffect}"
+                        StyleClass="text-muted, text-sm, text-bold"
+                        HorizontalTextAlignment="Center" />
+                </Frame>
+                <StackLayout StyleClass="box-row">
+                    <Label
+                        Text="{u:I18n Name}"
+                        StyleClass="box-label" />
+                    <Entry
+                        x:Name="_nameEntry"
+                        Text="{Binding Send.Name}"
+                        IsEnabled="{Binding SendEnabled}"
+                        StyleClass="box-value" />
+                    <Label
+                        Text="{u:I18n NameInfo}"
+                        StyleClass="box-footer-label"
+                        Margin="0,5,0,0" />
+                </StackLayout>
+                <StackLayout
+                    StyleClass="box-row"
+                    IsVisible="{Binding IsFile}">
+                    <Label
+                        Text="{u:I18n TypeFile}"
+                        StyleClass="box-label" />
+                    <StackLayout
+                        StyleClass="box-row">
+                        <Label
+                            Text="{Binding FileName}"
+                            LineBreakMode="CharacterWrap"
+                            StyleClass="text-sm, text-muted"
+                            HorizontalOptions="FillAndExpand"
+                            HorizontalTextAlignment="Center" />
+                        <Label
+                            Margin="0, 5, 0, 0"
+                            Text="{u:I18n MaxFileSize}"
+                            StyleClass="text-sm, text-muted"
+                            HorizontalOptions="FillAndExpand"
+                            HorizontalTextAlignment="Center" />
+                    </StackLayout>
+                </StackLayout>
+                <StackLayout
+                    StyleClass="box-row"
+                    IsVisible="{Binding IsText}">
+                    <Label
+                        Text="{u:I18n TypeText}"
+                        StyleClass="box-label" />
+                    <Editor
+                        x:Name="_textEditor"
+                        AutoSize="TextChanges"
+                        Text="{Binding Send.Text.Text}"
+                        IsEnabled="{Binding SendEnabled}"
+                        StyleClass="box-value"
+                        Margin="{Binding EditorMargins}" 
+                        effects:ScrollEnabledEffect.IsScrollEnabled="false" >
+                        <Editor.Behaviors>
+                            <behaviors:EditorPreventAutoBottomScrollingOnFocusedBehavior ParentScrollView="{x:Reference _scrollView}" />
+                        </Editor.Behaviors>
+                        <Editor.Effects>
+                            <effects:ScrollEnabledEffect />
+                        </Editor.Effects>
+                    </Editor>
+                    <BoxView
+                        StyleClass="box-row-separator" />
+                    <Label
+                        Text="{u:I18n TypeTextInfo}"
+                        StyleClass="box-footer-label"
+                        Margin="0,5,0,10" />
+                    <StackLayout
+                        StyleClass="box-row, box-row-switch"
+                        Margin="0,10,0,0">
+                        <Label
+                            Text="{u:I18n HideTextByDefault}"
+                            StyleClass="box-label-regular"
+                            VerticalOptions="Center"
+                            HorizontalOptions="StartAndExpand" />
+                        <Switch
+                            IsToggled="{Binding Send.Text.Hidden}"
+                            IsEnabled="{Binding SendEnabled}"
+                            HorizontalOptions="End"
+                            Margin="10,0,0,0" />
+                    </StackLayout>
+                </StackLayout>
+                <StackLayout
+                    StyleClass="box-row, box-row-switch">
+                    <Label
+                        Text="{Binding ShareOnSaveText}"
+                        StyleClass="box-label-regular"
+                        VerticalOptions="Center"
+                        HorizontalOptions="StartAndExpand" />
+                    <Switch
+                        IsToggled="{Binding ShareOnSave}"
+                        IsEnabled="{Binding SendEnabled}"
+                        HorizontalOptions="End"
+                        Margin="10,0,0,0" />
+                </StackLayout>
+                <StackLayout
+                    Orientation="Horizontal"
+                    Spacing="0"
+                    AutomationProperties.IsInAccessibleTree="True"
+                    AutomationProperties.Name="{Binding OptionsAccessilibityText}">
+                    <StackLayout.GestureRecognizers>
+                        <TapGestureRecognizer Tapped="OptionsHeader_Tapped" />
+                    </StackLayout.GestureRecognizers>
+                    <Label
+                        Text="{u:I18n Options}"
+                        TextColor="{DynamicResource PrimaryColor}"
+                        Margin="0,0,5,0"
+                        AutomationProperties.IsInAccessibleTree="False"/>
+                    <controls:IconLabel
+                        Text="{Binding OptionsShowHideIcon}"
+                        TextColor="{DynamicResource PrimaryColor}"
+                        AutomationProperties.IsInAccessibleTree="False"/>
+                </StackLayout>
+                <pages:SendAddOnlyOptionsLazyView x:Name="_lazyOptionsView" IsVisible="{Binding ShowOptions}" />
+            </StackLayout>
+        </ScrollView>
+        
+        <controls:AccountSwitchingOverlayView
+            x:Name="_accountListOverlay"
+            AbsoluteLayout.LayoutBounds="0, 0, 1, 1"
+            AbsoluteLayout.LayoutFlags="All"
+            LongPressAccountEnabled="False"
+            BindingContext="{Binding AccountSwitchingOverlayViewModel}"/>
+    </AbsoluteLayout>
+    
+</pages:BaseContentPage>

src/App/Pages/Send/SendAddOnlyPage.xaml.cs

@@ -0,0 +1,178 @@
+using System;
+using System.Threading.Tasks;
+using Bit.App.Models;
+using Bit.App.Utilities;
+using Bit.Core.Abstractions;
+using Bit.Core.Enums;
+using Bit.Core.Utilities;
+using Xamarin.Forms;
+
+namespace Bit.App.Pages
+{
+    /// <summary>
+    /// This is a version of <see cref="SendAddEditPage"/> that is reduced for adding only and adapted
+    /// for performance for iOS Share extension.
+    /// </summary>
+    /// <remarks>
+    /// This should NOT be used in Android.
+    /// </remarks>
+    public partial class SendAddOnlyPage : BaseContentPage
+    {
+        private readonly IVaultTimeoutService _vaultTimeoutService;
+        private readonly LazyResolve<ILogger> _logger = new LazyResolve<ILogger>("logger");
+
+        private AppOptions _appOptions;
+        private SendAddEditPageViewModel _vm;
+
+        public Action OnClose { get; set; }
+        public Action AfterSubmit { get; set; }
+
+        public SendAddOnlyPage(
+            AppOptions appOptions = null,
+            string sendId = null,
+            SendType? type = null)
+        {
+            if (appOptions?.IosExtension != true)
+            {
+                throw new InvalidOperationException(nameof(SendAddOnlyPage) + " is only prepared to be used in iOS share extension");
+            }
+
+            _vaultTimeoutService = ServiceContainer.Resolve<IVaultTimeoutService>("vaultTimeoutService");
+            _appOptions = appOptions;
+            InitializeComponent();
+            _vm = BindingContext as SendAddEditPageViewModel;
+            _vm.Page = this;
+            _vm.SendId = sendId;
+            _vm.Type = appOptions?.CreateSend?.Item1 ?? type;
+
+            if (_vm.IsText)
+            {
+                _nameEntry.ReturnType = ReturnType.Next;
+                _nameEntry.ReturnCommand = new Command(() => _textEditor.Focus());
+            }
+        }
+
+        protected override async void OnAppearing()
+        {
+            base.OnAppearing();
+
+            try
+            {
+                if (!await AppHelpers.IsVaultTimeoutImmediateAsync())
+                {
+                    await _vaultTimeoutService.CheckVaultTimeoutAsync();
+                }
+                if (await _vaultTimeoutService.IsLockedAsync())
+                {
+                    return;
+                }
+                await _vm.InitAsync();
+
+                if (!await _vm.LoadAsync())
+                {
+                    await CloseAsync();
+                    return;
+                }
+
+                _accountAvatar?.OnAppearing();
+                await Device.InvokeOnMainThreadAsync(async () => _vm.AvatarImageSource = await GetAvatarImageSourceAsync());
+
+                await HandleCreateRequest();
+                if (string.IsNullOrWhiteSpace(_vm.Send?.Name))
+                {
+                    RequestFocus(_nameEntry);
+                }
+                AdjustToolbar();
+            }
+            catch (Exception ex)
+            {
+                _logger.Value.Exception(ex);
+                await CloseAsync();
+            }
+        }
+
+        protected override void OnDisappearing()
+        {
+            base.OnDisappearing();
+            _accountAvatar?.OnDisappearing();
+        }
+
+        private async Task CloseAsync()
+        {
+            if (OnClose is null)
+            {
+                await Navigation.PopModalAsync();
+            }
+            else
+            {
+                OnClose();
+            }
+        }
+
+        private async void Save_Clicked(object sender, EventArgs e)
+        {
+            if (DoOnce())
+            {
+                var submitted = await _vm.SubmitAsync();
+                if (submitted)
+                {
+                    AfterSubmit?.Invoke();
+                }
+            }
+        }
+
+        private async void Close_Clicked(object sender, EventArgs e)
+        {
+            if (DoOnce())
+            {
+                await CloseAsync();
+            }
+        }
+
+        private void AdjustToolbar()
+        {
+            _saveItem.IsEnabled = _vm.SendEnabled;
+        }
+
+        private Task HandleCreateRequest()
+        {
+            if (_appOptions?.CreateSend == null)
+            {
+                return Task.CompletedTask;
+            }
+
+            _vm.IsAddFromShare = true;
+            _vm.CopyInsteadOfShareAfterSaving = _appOptions.CopyInsteadOfShareAfterSaving;
+
+            var name = _appOptions.CreateSend.Item2;
+            _vm.Send.Name = name;
+
+            var type = _appOptions.CreateSend.Item1;
+            if (type == SendType.File)
+            {
+                _vm.FileData = _appOptions.CreateSend.Item3;
+                _vm.FileName = name;
+            }
+            else
+            {
+                var text = _appOptions.CreateSend.Item4;
+                _vm.Send.Text.Text = text;
+                _vm.TriggerSendTextPropertyChanged();
+            }
+            _appOptions.CreateSend = null;
+
+            return Task.CompletedTask;
+        }
+
+        void OptionsHeader_Tapped(object sender, EventArgs e)
+        {
+            _vm.ToggleOptionsCommand.Execute(null);
+
+            if (!_lazyOptionsView.IsLoaded)
+            {
+                _lazyOptionsView.MainScrollView = _scrollView;
+                _lazyOptionsView.LoadViewAsync();
+            }
+        }
+    }
+}

src/App/Utilities/AccountManagement/AccountsManager.cs

@@ -19,6 +19,7 @@ namespace Bit.App.Utilities.AccountManagement
         private readonly IStateService _stateService;
         private readonly IPlatformUtilsService _platformUtilsService;
         private readonly IAuthService _authService;
+        private readonly ILogger _logger;
 
         Func<AppOptions> _getOptionsFunc;
         private IAccountsManagerHost _accountsManagerHost;
@@ -28,7 +29,8 @@ namespace Bit.App.Utilities.AccountManagement
                                IStorageService secureStorageService,
                                IStateService stateService,
                                IPlatformUtilsService platformUtilsService,
-                               IAuthService authService)
+                               IAuthService authService,
+                               ILogger logger)
         {
             _broadcasterService = broadcasterService;
             _vaultTimeoutService = vaultTimeoutService;
@@ -36,6 +38,7 @@ namespace Bit.App.Utilities.AccountManagement
             _stateService = stateService;
             _platformUtilsService = platformUtilsService;
             _authService = authService;
+            _logger = logger;
         }
 
         private AppOptions Options => _getOptionsFunc?.Invoke() ?? new AppOptions { IosExtension = true };
@@ -108,24 +111,26 @@ namespace Bit.App.Utilities.AccountManagement
         }
 
         private async void OnMessage(Message message)
+        {
+            try
             {
                 switch (message.Command)
                 {
                     case AccountsManagerMessageCommands.LOCKED:
-                    Locked(message.Data as Tuple<string, bool>);
+                        await Device.InvokeOnMainThreadAsync(() => LockedAsync(message.Data as Tuple<string, bool>));
                         break;
                     case AccountsManagerMessageCommands.LOCK_VAULT:
                         await _vaultTimeoutService.LockAsync(true);
                         break;
                     case AccountsManagerMessageCommands.LOGOUT:
-                    LogOut(message.Data as Tuple<string, bool, bool>);
+                        await Device.InvokeOnMainThreadAsync(() => LogOutAsync(message.Data as Tuple<string, bool, bool>));
                         break;
                     case AccountsManagerMessageCommands.LOGGED_OUT:
                         // Clean up old migrated key if they ever log out.
                         await _secureStorageService.RemoveAsync("oldKey");
                         break;
                     case AccountsManagerMessageCommands.ADD_ACCOUNT:
-                    AddAccount();
+                        await AddAccountAsync();
                         break;
                     case AccountsManagerMessageCommands.ACCOUNT_ADDED:
                         await _accountsManagerHost.UpdateThemeAsync();
@@ -135,16 +140,17 @@ namespace Bit.App.Utilities.AccountManagement
                         break;
                 }
             }
+            catch (Exception ex)
+            {
+                _logger.Exception(ex);
+            }
+        }
 
-        private void Locked(Tuple<string, bool> extras)
+        private async Task LockedAsync(Tuple<string, bool> extras)
         {
             var userId = extras?.Item1;
             var userInitiated = extras?.Item2 ?? false;
-            Device.BeginInvokeOnMainThread(async () => await LockedAsync(userId, userInitiated));
-        }
 
-        private async Task LockedAsync(string userId, bool userInitiated)
-        {
             if (!await _stateService.IsActiveAccountAsync(userId))
             {
                 _platformUtilsService.ShowToast("info", null, AppResources.AccountLockedSuccessfully);
@@ -163,28 +169,24 @@ namespace Bit.App.Utilities.AccountManagement
 
             await _accountsManagerHost.SetPreviousPageInfoAsync();
 
-            Device.BeginInvokeOnMainThread(() => _accountsManagerHost.Navigate(NavigationTarget.Lock, new LockNavigationParams(autoPromptBiometric)));
+            await Device.InvokeOnMainThreadAsync(() => _accountsManagerHost.Navigate(NavigationTarget.Lock, new LockNavigationParams(autoPromptBiometric)));
         }
 
-        private void AddAccount()
+        private async Task AddAccountAsync()
         {
-            Device.BeginInvokeOnMainThread(() =>
+            await Device.InvokeOnMainThreadAsync(() =>
             {
                 Options.HideAccountSwitcher = false;
                 _accountsManagerHost.Navigate(NavigationTarget.HomeLogin);
             });
         }
 
-        private void LogOut(Tuple<string, bool, bool> extras)
+        private async Task LogOutAsync(Tuple<string, bool, bool> extras)
         {
             var userId = extras?.Item1;
             var userInitiated = extras?.Item2 ?? true;
             var expired = extras?.Item3 ?? false;
-            Device.BeginInvokeOnMainThread(async () => await LogOutAsync(userId, userInitiated, expired));
-        }
 
-        private async Task LogOutAsync(string userId, bool userInitiated, bool expired)
-        {
             await AppHelpers.LogOutAsync(userId, userInitiated);
             await NavigateOnAccountChangeAsync();
             _authService.LogOut(() =>

src/iOS.Core/Controllers/BaseLockPasswordViewController.cs

@@ -1,20 +1,20 @@
 using System;
-using UIKit;
-using Foundation;
-using Bit.iOS.Core.Views;
-using Bit.App.Resources;
-using Bit.iOS.Core.Utilities;
-using Bit.App.Abstractions;
-using Bit.Core.Abstractions;
-using Bit.Core.Utilities;
 using System.Threading.Tasks;
-using Bit.App.Utilities;
-using Bit.Core.Models.Domain;
-using Bit.Core.Enums;
-using Bit.App.Pages;
+using Bit.App.Abstractions;
 using Bit.App.Models;
-using Xamarin.Forms;
+using Bit.App.Pages;
+using Bit.App.Resources;
+using Bit.App.Utilities;
 using Bit.Core;
+using Bit.Core.Abstractions;
+using Bit.Core.Enums;
+using Bit.Core.Models.Domain;
+using Bit.Core.Utilities;
+using Bit.iOS.Core.Utilities;
+using Bit.iOS.Core.Views;
+using Foundation;
+using UIKit;
+using Xamarin.Forms;
 
 namespace Bit.iOS.Core.Controllers
 {
@@ -39,6 +39,10 @@ namespace Bit.iOS.Core.Controllers
 
         protected bool autofillExtension = false;
 
+        public BaseLockPasswordViewController()
+        {
+        }
+
         public BaseLockPasswordViewController(IntPtr handle)
             : base(handle)
         { }
@@ -168,12 +172,11 @@ namespace Bit.iOS.Core.Controllers
             {
                 TableView.BackgroundColor = ThemeHelpers.BackgroundColor;
                 TableView.SeparatorColor = ThemeHelpers.SeparatorColor;
-            }
-
                 TableView.RowHeight = UITableView.AutomaticDimension;
                 TableView.EstimatedRowHeight = 70;
                 TableView.Source = new TableSource(this);
                 TableView.AllowsSelection = true;
+            }
 
             base.ViewDidLoad();
 
@@ -191,7 +194,7 @@ namespace Bit.iOS.Core.Controllers
             }
         }
 
-        public override async void ViewDidAppear(bool animated)
+        public override void ViewDidAppear(bool animated)
         {
             base.ViewDidAppear(animated);
 
@@ -402,28 +405,43 @@ namespace Bit.iOS.Core.Controllers
             });
         }
 
+        protected override void Dispose(bool disposing)
+        {
+            base.Dispose(disposing);
+
+            MasterPasswordCell?.Dispose();
+            MasterPasswordCell = null;
+
+            TableView?.Dispose();
+        }
+
         public class TableSource : ExtendedUITableViewSource
         {
-            private readonly BaseLockPasswordViewController _controller;
+            private readonly WeakReference<BaseLockPasswordViewController> _controller;
 
             public TableSource(BaseLockPasswordViewController controller)
             {
-                _controller = controller;
+                _controller = new WeakReference<BaseLockPasswordViewController>(controller);
             }
 
             public override UITableViewCell GetCell(UITableView tableView, NSIndexPath indexPath)
             {
+                if (!_controller.TryGetTarget(out var controller))
+                {
+                    return new ExtendedUITableViewCell();
+                }
+
                 if (indexPath.Section == 0)
                 {
                     if (indexPath.Row == 0)
                     {
-                        if (_controller._biometricUnlockOnly)
+                        if (controller._biometricUnlockOnly)
                         {
-                            return _controller.BiometricCell;
+                            return controller.BiometricCell;
                         }
                         else
                         {
-                            return _controller.MasterPasswordCell;
+                            return controller.MasterPasswordCell;
                         }
                     }
                 }
@@ -431,7 +449,7 @@ namespace Bit.iOS.Core.Controllers
                 {
                     if (indexPath.Row == 0)
                     {
-                        if (_controller._passwordReprompt)
+                        if (controller._passwordReprompt)
                         {
                             var cell = new ExtendedUITableViewCell();
                             cell.TextLabel.TextColor = ThemeHelpers.DangerColor;
@@ -441,9 +459,9 @@ namespace Bit.iOS.Core.Controllers
                             cell.TextLabel.Text = AppResources.PasswordConfirmationDesc;
                             return cell;
                         }
-                        else if (!_controller._biometricUnlockOnly)
+                        else if (!controller._biometricUnlockOnly)
                         {
-                            return _controller.BiometricCell;
+                            return controller.BiometricCell;
                         }
                     }
                 }
@@ -457,8 +475,13 @@ namespace Bit.iOS.Core.Controllers
 
             public override nint NumberOfSections(UITableView tableView)
             {
-                return (!_controller._biometricUnlockOnly && _controller._biometricLock) ||
-                    _controller._passwordReprompt
+                if (!_controller.TryGetTarget(out var controller))
+                {
+                    return 0;
+                }
+
+                return (!controller._biometricUnlockOnly && controller._biometricLock) ||
+                    controller._passwordReprompt
                     ? 2
                     : 1;
             }
@@ -484,13 +507,18 @@ namespace Bit.iOS.Core.Controllers
 
             public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
             {
+                if (!_controller.TryGetTarget(out var controller))
+                {
+                    return;
+                }
+
                 tableView.DeselectRow(indexPath, true);
                 tableView.EndEditing(true);
                 if (indexPath.Row == 0 &&
-                    ((_controller._biometricUnlockOnly && indexPath.Section == 0) ||
+                    ((controller._biometricUnlockOnly && indexPath.Section == 0) ||
                     indexPath.Section == 1))
                 {
-                    var task = _controller.PromptBiometricAsync();
+                    var task = controller.PromptBiometricAsync();
                     return;
                 }
                 var cell = tableView.CellAt(indexPath);

src/iOS.Core/Controllers/ExtendedUIViewController.cs

@@ -8,6 +8,10 @@ namespace Bit.iOS.Core.Controllers
     {
         public Action DismissModalAction { get; set; }
 
+        public ExtendedUIViewController()
+        {
+        }
+
         public ExtendedUIViewController(IntPtr handle)
             : base(handle)
         {
@@ -28,16 +32,28 @@ namespace Bit.iOS.Core.Controllers
             {
                 View.BackgroundColor = ThemeHelpers.BackgroundColor;
             }
-            if (NavigationController?.NavigationBar != null)
+            UpdateNavigationBarTheme();
+        }
+
+        protected virtual void UpdateNavigationBarTheme()
         {
-                NavigationController.NavigationBar.BarTintColor = ThemeHelpers.NavBarBackgroundColor;
-                NavigationController.NavigationBar.BackgroundColor = ThemeHelpers.NavBarBackgroundColor;
-                NavigationController.NavigationBar.TintColor = ThemeHelpers.NavBarTextColor;
-                NavigationController.NavigationBar.TitleTextAttributes = new UIStringAttributes
+            UpdateNavigationBarTheme(NavigationController?.NavigationBar);
+        }
+
+        protected void UpdateNavigationBarTheme(UINavigationBar navBar)
+        {
+            if (navBar is null)
+            {
+                return;
+            }
+
+            navBar.BarTintColor = ThemeHelpers.NavBarBackgroundColor;
+            navBar.BackgroundColor = ThemeHelpers.NavBarBackgroundColor;
+            navBar.TintColor = ThemeHelpers.NavBarTextColor;
+            navBar.TitleTextAttributes = new UIStringAttributes
             {
                 ForegroundColor = ThemeHelpers.NavBarTextColor
             };
         }
     }
 }
-}

src/iOS.Core/Controllers/LockPasswordViewController.cs

@@ -184,7 +184,7 @@ namespace Bit.iOS.Core.Controllers
             }
         }
 
-        public override async void ViewDidAppear(bool animated)
+        public override void ViewDidAppear(bool animated)
         {
             base.ViewDidAppear(animated);
 

src/iOS.Core/Utilities/AccountSwitchingOverlayHelper.cs

@@ -13,9 +13,9 @@ namespace Bit.iOS.Core.Utilities
     {
         const string DEFAULT_SYSTEM_AVATAR_IMAGE = "person.2";
         
-        IStateService _stateService;
-        IMessagingService _messagingService;
-        ILogger _logger;
+        readonly IStateService _stateService;
+        readonly IMessagingService _messagingService;
+        readonly ILogger _logger;
 
         public AccountSwitchingOverlayHelper()
         {
@@ -34,9 +34,11 @@ namespace Bit.iOS.Core.Utilities
                 }
                 
                 var avatarImageSource = new AvatarImageSource(await _stateService.GetNameAsync(), await _stateService.GetEmailAsync());
-                var avatarUIImage = await avatarImageSource.GetNativeImageAsync();
+                using (var avatarUIImage = await avatarImageSource.GetNativeImageAsync())
+                {
                     return avatarUIImage?.ImageWithRenderingMode(UIImageRenderingMode.AlwaysOriginal) ?? UIImage.GetSystemImage(DEFAULT_SYSTEM_AVATAR_IMAGE);
                 }
+            }
             catch (Exception ex)
             {
                 _logger.Exception(ex);

src/iOS.Core/Utilities/iOSCoreHelpers.cs

@@ -2,6 +2,7 @@
 using System.IO;
 using System.Threading.Tasks;
 using Bit.App.Abstractions;
+using Bit.App.Controls;
 using Bit.App.Models;
 using Bit.App.Pages;
 using Bit.App.Resources;
@@ -15,6 +16,7 @@ using Bit.iOS.Core.Services;
 using CoreNFC;
 using Foundation;
 using UIKit;
+using Xamarin.Forms;
 
 namespace Bit.iOS.Core.Utilities
 {
@@ -26,6 +28,42 @@ namespace Bit.iOS.Core.Utilities
         public static string AppGroupId = "group.com.8bit.bitwarden";
         public static string AccessGroup = "LTZ2PFU5D6.com.8bit.bitwarden";
 
+        public static void InitApp<T>(T rootController,
+            string clearCipherCacheKey,
+            NFCNdefReaderSession nfcSession,
+            out NFCReaderDelegate nfcDelegate,
+            out IAccountsManager accountsManager)
+            where T : UIViewController, IAccountsManagerHost
+        {
+            Forms.Init();
+
+            if (ServiceContainer.RegisteredServices.Count > 0)
+            {
+                ServiceContainer.Reset();
+            }
+            RegisterLocalServices();
+            var deviceActionService = ServiceContainer.Resolve<IDeviceActionService>("deviceActionService");
+            var messagingService = ServiceContainer.Resolve<IMessagingService>("messagingService");
+            ServiceContainer.Init(deviceActionService.DeviceUserAgent,
+                                  clearCipherCacheKey,
+                                  Bit.Core.Constants.iOSAllClearCipherCacheKeys);   
+            InitLogger();
+            Bootstrap();
+
+            var appOptions = new AppOptions { IosExtension = true };
+            var app = new App.App(appOptions);
+            ThemeManager.SetTheme(app.Resources);
+
+            AppearanceAdjustments();
+
+            nfcDelegate = new Core.NFCReaderDelegate((success, message) =>
+                messagingService.Send("gotYubiKeyOTP", message));
+            SubscribeBroadcastReceiver(rootController, nfcSession, nfcDelegate);
+
+            accountsManager = ServiceContainer.Resolve<IAccountsManager>("accountsManager");
+            accountsManager.Init(() => appOptions, rootController);
+        }
+
         public static void InitLogger()
         {
             ServiceContainer.Resolve<ILogger>("logger").InitAsync();
@@ -89,6 +127,7 @@ namespace Bit.iOS.Core.Utilities
             ServiceContainer.Register<ICryptoFunctionService>("cryptoFunctionService", cryptoFunctionService);
             ServiceContainer.Register<ICryptoService>("cryptoService", cryptoService);
             ServiceContainer.Register<IPasswordRepromptService>("passwordRepromptService", passwordRepromptService);
+            ServiceContainer.Register<IAvatarImageSourcePool>("avatarImageSourcePool", new AvatarImageSourcePool());
         }
 
         public static void Bootstrap(Func<Task> postBootstrapFunc = null)
@@ -181,7 +220,8 @@ namespace Bit.iOS.Core.Utilities
                 ServiceContainer.Resolve<IStorageService>("secureStorageService"),
                 ServiceContainer.Resolve<IStateService>("stateService"),
                 ServiceContainer.Resolve<IPlatformUtilsService>("platformUtilsService"),
-                ServiceContainer.Resolve<IAuthService>("authService"));
+                ServiceContainer.Resolve<IAuthService>("authService"),
+                ServiceContainer.Resolve<ILogger>("logger"));
             ServiceContainer.Register<IAccountsManager>("accountsManager", accountsManager);
 
             if (postBootstrapFunc != null)

src/iOS.ShareExtension/ExtensionNavigationController.cs

@@ -0,0 +1,27 @@
+// This file has been autogenerated from a class added in the UI designer.
+
+using System;
+using UIKit;
+
+namespace Bit.iOS.ShareExtension
+{
+    public partial class ExtensionNavigationController : UINavigationController
+	{
+		public ExtensionNavigationController (IntPtr handle) : base (handle)
+		{
+		}
+
+        public override UIViewController PopViewController(bool animated)
+        {
+            TopViewController?.Dispose();
+            return base.PopViewController(animated);
+
+        }
+
+        public override void DismissModalViewController(bool animated)
+        {
+            ModalViewController?.Dispose();
+            base.DismissModalViewController(animated);
+        }
+    }
+}

src/iOS.ShareExtension/ExtensionNavigationController.designer.cs

@@ -0,0 +1,20 @@
+// WARNING
+//
+// This file has been generated automatically by Visual Studio to store outlets and
+// actions made in the UI designer. If it is removed, they will be lost.
+// Manual changes to this file may not be handled correctly.
+//
+using Foundation;
+using System.CodeDom.Compiler;
+
+namespace Bit.iOS.ShareExtension
+{
+	[Register ("ExtensionNavigationController")]
+	partial class ExtensionNavigationController
+	{
+		
+		void ReleaseDesignerOutlets ()
+		{
+		}
+	}
+}

src/iOS.ShareExtension/LoadingViewController.cs

@@ -7,11 +7,11 @@ using Bit.App.Abstractions;
 using Bit.App.Models;
 using Bit.App.Pages;
 using Bit.App.Utilities;
+using Bit.App.Utilities.AccountManagement;
 using Bit.Core.Abstractions;
 using Bit.Core.Enums;
 using Bit.Core.Services;
 using Bit.Core.Utilities;
-using Bit.iOS.Core;
 using Bit.iOS.Core.Controllers;
 using Bit.iOS.Core.Utilities;
 using Bit.iOS.Core.Views;
@@ -24,16 +24,33 @@ using Xamarin.Forms;
 
 namespace Bit.iOS.ShareExtension
 {
-    public partial class LoadingViewController : ExtendedUIViewController
+    public partial class LoadingViewController : ExtendedUIViewController, IAccountsManagerHost
     {
+        const string STORYBOARD_NAME = "MainInterface";
+
         private Context _context = new Context();
         private NFCNdefReaderSession _nfcSession = null;
         private Core.NFCReaderDelegate _nfcDelegate = null;
+        private IAccountsManager _accountsManager;
 
         readonly LazyResolve<IStateService> _stateService = new LazyResolve<IStateService>("stateService");
         readonly LazyResolve<IVaultTimeoutService> _vaultTimeoutService = new LazyResolve<IVaultTimeoutService>("vaultTimeoutService");
-        readonly LazyResolve<IDeviceActionService> _deviceActionService = new LazyResolve<IDeviceActionService>("deviceActionService");
-        readonly LazyResolve<IEventService> _eventService = new LazyResolve<IEventService>("eventService");
+
+        Lazy<UIStoryboard> _storyboard = new Lazy<UIStoryboard>(() => UIStoryboard.FromName(STORYBOARD_NAME, null));
+
+        private App.App _app = null;
+        private UIViewController _currentModalController;
+        private bool _presentingOnNavigationPage;
+
+        private ExtensionNavigationController ExtNavigationController
+        {
+            get
+            {
+                NavigationController.PresentationController.Delegate =
+                    new CustomPresentationControllerDelegate(CompleteRequest);
+                return NavigationController as ExtensionNavigationController;
+            }
+        }
 
         public LoadingViewController(IntPtr handle)
             : base(handle)
@@ -41,39 +58,38 @@ namespace Bit.iOS.ShareExtension
 
         public override void ViewDidLoad()
         {
-            InitApp();
+            iOSCoreHelpers.InitApp(this, Bit.Core.Constants.iOSShareExtensionClearCiphersCacheKey,
+                _nfcSession, out _nfcDelegate, out _accountsManager);
 
             base.ViewDidLoad();
 
             Logo.Image = new UIImage(ThemeHelpers.LightTheme ? "logo.png" : "logo_white.png");
             View.BackgroundColor = ThemeHelpers.SplashBackgroundColor;
             _context.ExtensionContext = ExtensionContext;
+            _context.ProviderType = GetProviderTypeFromExtensionInputItems();
+        }
 
+        /// <summary>
+        /// Gets the provider <see cref="UTType"/> given the input items
+        /// </summary>
+        private string GetProviderTypeFromExtensionInputItems()
+        {
             foreach (var item in ExtensionContext.InputItems)
             {
-                var processed = false;
                 foreach (var itemProvider in item.Attachments)
                 {
                     if (itemProvider.HasItemConformingTo(UTType.PlainText))
                     {
-                        _context.ProviderType = UTType.PlainText;
+                        return UTType.PlainText;
+                    }
 
-                        processed = true;
-                        break;
-                    }
-                    else if (itemProvider.HasItemConformingTo(UTType.Data))
+                    if (itemProvider.HasItemConformingTo(UTType.Data))
                     {
-                        _context.ProviderType = UTType.Data;
-
-                        processed = true;
-                        break;
+                        return UTType.Data;
                     }
                 }
-                if (processed)
-                {
-                    break;
-                }
             }
+            return null;
         }
 
         public override async void ViewDidAppear(bool animated)
@@ -84,12 +100,12 @@ namespace Bit.iOS.ShareExtension
             {
                 if (!await IsAuthed())
                 {
-                    LaunchHomePage();
+                    await _accountsManager.NavigateOnAccountChangeAsync(false);
                     return;
                 }
                 else if (await IsLocked())
                 {
-                    PerformSegue("lockPasswordSegue", this);
+                    NavigateToLockViewController();
                 }
                 else
                 {
@@ -102,24 +118,52 @@ namespace Bit.iOS.ShareExtension
             }
         }
 
-        public override void PrepareForSegue(UIStoryboardSegue segue, NSObject sender)
+        void NavigateToLockViewController()
         {
-            if (segue.DestinationViewController is UINavigationController navController
-                &&
-                navController.TopViewController is LockPasswordViewController passwordViewController)
+            var viewController = _storyboard.Value.InstantiateViewController("lockVC") as LockPasswordViewController;
+            viewController.LoadingController = this;
+            viewController.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
+
+            if (_presentingOnNavigationPage)
             {
-                passwordViewController.LoadingController = this;
-                segue.DestinationViewController.PresentationController.Delegate =
-                    new CustomPresentationControllerDelegate(passwordViewController.DismissModalAction);
+                _presentingOnNavigationPage = false;
+                DismissViewController(true, () => ExtNavigationController.PushViewController(viewController, true));
+            }
+            else
+            {
+                ExtNavigationController.PushViewController(viewController, true);
             }
         }
 
         public void DismissLockAndContinue()
         {
             Debug.WriteLine("BW Log, Dismissing lock controller.");
+
+            ClearBeforeNavigating();
+
             DismissViewController(false, () => ContinueOnAsync().FireAndForget());
         }
 
+        private void DismissAndLaunch(Action pageToLaunch)
+        {
+            ClearBeforeNavigating();
+
+            DismissViewController(false, pageToLaunch);
+        }
+
+        void ClearBeforeNavigating()
+        {
+            _currentModalController?.Dispose();
+            _currentModalController = null;
+
+            if (_storyboard.IsValueCreated)
+            {
+                _storyboard.Value.Dispose();
+                _storyboard = null;
+                _storyboard = new Lazy<UIStoryboard>(() => UIStoryboard.FromName(STORYBOARD_NAME, null));
+            }
+        }
+
         private async Task ContinueOnAsync()
         {
             Tuple<SendType, string, byte[], string> createSend = null;
@@ -140,20 +184,24 @@ namespace Bit.iOS.ShareExtension
                 CreateSend = createSend,
                 CopyInsteadOfShareAfterSaving = true
             };
-            var sendAddEditPage = new SendAddEditPage(appOptions)
+            var sendPage = new SendAddOnlyPage(appOptions)
             {
                 OnClose = () => CompleteRequest(),
                 AfterSubmit = () => CompleteRequest()
             };
 
-            var app = new App.App(appOptions);
-            ThemeManager.SetTheme(app.Resources);
-            ThemeManager.ApplyResourcesToPage(sendAddEditPage);
+            SetupAppAndApplyResources(sendPage);
 
-            var navigationPage = new NavigationPage(sendAddEditPage);
-            var sendAddEditController = navigationPage.CreateViewController();
-            sendAddEditController.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
-            PresentViewController(sendAddEditController, true, null);
+            NavigateToPage(sendPage);
+        }
+
+        private void NavigateToPage(ContentPage page)
+        {
+            var navigationPage = new NavigationPage(page);
+            _currentModalController = navigationPage.CreateViewController();
+            _currentModalController.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
+            _presentingOnNavigationPage = true;
+            PresentViewController(_currentModalController, true, null);
         }
 
         private async Task<(string, byte[])> LoadDataBytesAsync()
@@ -202,31 +250,6 @@ namespace Bit.iOS.ShareExtension
             });
         }
 
-        private void InitApp()
-        {
-            // Init Xamarin Forms
-            Forms.Init();
-
-            if (ServiceContainer.RegisteredServices.Count > 0)
-            {
-                ServiceContainer.Reset();
-            }
-            iOSCoreHelpers.RegisterLocalServices();
-            var messagingService = ServiceContainer.Resolve<IMessagingService>("messagingService");
-            ServiceContainer.Init(_deviceActionService.Value.DeviceUserAgent,
-                Bit.Core.Constants.iOSShareExtensionClearCiphersCacheKey, Bit.Core.Constants.iOSAllClearCipherCacheKeys);
-            iOSCoreHelpers.InitLogger();
-            iOSCoreHelpers.Bootstrap();
-
-            var app = new App.App(new AppOptions { IosExtension = true });
-            ThemeManager.SetTheme(app.Resources);
-
-            iOSCoreHelpers.AppearanceAdjustments();
-            _nfcDelegate = new NFCReaderDelegate((success, message) =>
-                messagingService.Send("gotYubiKeyOTP", message));
-            iOSCoreHelpers.SubscribeBroadcastReceiver(this, _nfcSession, _nfcDelegate);
-        }
-
         private Task<bool> IsLocked()
         {
             return _vaultTimeoutService.Value.IsLockedAsync();
@@ -244,7 +267,7 @@ namespace Bit.iOS.ShareExtension
                 if (await IsAuthed())
                 {
                     await AppHelpers.LogOutAsync(await _stateService.Value.GetActiveUserIdAsync());
-                    if (_deviceActionService.Value.SystemMajorVersion() >= 12)
+                    if (UIDevice.CurrentDevice.CheckSystemVersion(12, 0))
                     {
                         await ASCredentialIdentityStore.SharedStore?.RemoveAllCredentialIdentitiesAsync();
                     }
@@ -252,83 +275,75 @@ namespace Bit.iOS.ShareExtension
             });
         }
 
+        private App.App SetupAppAndApplyResources(ContentPage page)
+        {
+            if (_app is null)
+            {
+                var app = new App.App(new AppOptions { IosExtension = true });
+                ThemeManager.SetTheme(app.Resources);
+            }
+            ThemeManager.ApplyResourcesToPage(page);
+            return _app;
+        }
+
         private void LaunchHomePage()
         {
             var homePage = new HomePage();
-            var app = new App.App(new AppOptions { IosExtension = true });
-            ThemeManager.SetTheme(app.Resources);
-            ThemeManager.ApplyResourcesToPage(homePage);
+            SetupAppAndApplyResources(homePage);
             if (homePage.BindingContext is HomeViewModel vm)
             {
-                vm.StartLoginAction = () => DismissViewController(false, () => LaunchLoginFlow());
-                vm.StartRegisterAction = () => DismissViewController(false, () => LaunchRegisterFlow());
-                vm.StartSsoLoginAction = () => DismissViewController(false, () => LaunchLoginSsoFlow());
-                vm.StartEnvironmentAction = () => DismissViewController(false, () => LaunchEnvironmentFlow());
+                vm.StartLoginAction = () => DismissAndLaunch(() => LaunchLoginFlow());
+                vm.StartRegisterAction = () => DismissAndLaunch(() => LaunchRegisterFlow());
+                vm.StartSsoLoginAction = () => DismissAndLaunch(() => LaunchLoginSsoFlow());
+                vm.StartEnvironmentAction = () => DismissAndLaunch(() => LaunchEnvironmentFlow());
                 vm.CloseAction = () => CompleteRequest();
             }
 
-            var navigationPage = new NavigationPage(homePage);
-            var loginController = navigationPage.CreateViewController();
-            loginController.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
-            PresentViewController(loginController, true, null);
-
+            NavigateToPage(homePage);
             LogoutIfAuthed();
         }
 
         private void LaunchEnvironmentFlow()
         {
             var environmentPage = new EnvironmentPage();
-            var app = new App.App(new AppOptions { IosExtension = true });
-            ThemeManager.SetTheme(app.Resources);
+            SetupAppAndApplyResources(environmentPage);
             ThemeManager.ApplyResourcesToPage(environmentPage);
             if (environmentPage.BindingContext is EnvironmentPageViewModel vm)
             {
-                vm.SubmitSuccessAction = () => DismissViewController(false, () => LaunchHomePage());
-                vm.CloseAction = () => DismissViewController(false, () => LaunchHomePage());
+                vm.SubmitSuccessAction = () => DismissAndLaunch(() => LaunchHomePage());
+                vm.CloseAction = () => DismissAndLaunch(() => LaunchHomePage());
             }
 
-            var navigationPage = new NavigationPage(environmentPage);
-            var loginController = navigationPage.CreateViewController();
-            loginController.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
-            PresentViewController(loginController, true, null);
+            NavigateToPage(environmentPage);
         }
 
         private void LaunchRegisterFlow()
         {
             var registerPage = new RegisterPage(null);
-            var app = new App.App(new AppOptions { IosExtension = true });
-            ThemeManager.SetTheme(app.Resources);
-            ThemeManager.ApplyResourcesToPage(registerPage);
+            SetupAppAndApplyResources(registerPage);
             if (registerPage.BindingContext is RegisterPageViewModel vm)
             {
-                vm.RegistrationSuccess = () => DismissViewController(false, () => LaunchLoginFlow(vm.Email));
-                vm.CloseAction = () => DismissViewController(false, () => LaunchHomePage());
+                vm.RegistrationSuccess = () => DismissAndLaunch(() => LaunchLoginFlow(vm.Email));
+                vm.CloseAction = () => DismissAndLaunch(() => LaunchHomePage());
             }
-
-            var navigationPage = new NavigationPage(registerPage);
-            var loginController = navigationPage.CreateViewController();
-            loginController.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
-            PresentViewController(loginController, true, null);
+            NavigateToPage(registerPage);
         }
 
         private void LaunchLoginFlow(string email = null)
         {
             var loginPage = new LoginPage(email);
-            var app = new App.App(new AppOptions { IosExtension = true });
-            ThemeManager.SetTheme(app.Resources);
-            ThemeManager.ApplyResourcesToPage(loginPage);
+            SetupAppAndApplyResources(loginPage);
             if (loginPage.BindingContext is LoginPageViewModel vm)
             {
-                vm.StartTwoFactorAction = () => DismissViewController(false, () => LaunchTwoFactorFlow(false));
-                vm.UpdateTempPasswordAction = () => DismissViewController(false, () => LaunchUpdateTempPasswordFlow());
-                vm.LogInSuccessAction = () => DismissLockAndContinue();
+                vm.StartTwoFactorAction = () => DismissAndLaunch(() => LaunchTwoFactorFlow(false));
+                vm.UpdateTempPasswordAction = () => DismissAndLaunch(() => LaunchUpdateTempPasswordFlow());
+                vm.LogInSuccessAction = () =>
+                {
+                    DismissLockAndContinue();
+                };
                 vm.CloseAction = () => CompleteRequest();
             }
-
-            var navigationPage = new NavigationPage(loginPage);
-            var loginController = navigationPage.CreateViewController();
-            loginController.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
-            PresentViewController(loginController, true, null);
+            NavigateToPage(loginPage);
 
             LogoutIfAuthed();
         }
@@ -336,22 +351,16 @@ namespace Bit.iOS.ShareExtension
         private void LaunchLoginSsoFlow()
         {
             var loginPage = new LoginSsoPage();
-            var app = new App.App(new AppOptions { IosExtension = true });
-            ThemeManager.SetTheme(app.Resources);
-            ThemeManager.ApplyResourcesToPage(loginPage);
+            SetupAppAndApplyResources(loginPage);
             if (loginPage.BindingContext is LoginSsoPageViewModel vm)
             {
-                vm.StartTwoFactorAction = () => DismissViewController(false, () => LaunchTwoFactorFlow(true));
-                vm.StartSetPasswordAction = () => DismissViewController(false, () => LaunchSetPasswordFlow());
-                vm.UpdateTempPasswordAction = () => DismissViewController(false, () => LaunchUpdateTempPasswordFlow());
+                vm.StartTwoFactorAction = () => DismissAndLaunch(() => LaunchTwoFactorFlow(true));
+                vm.StartSetPasswordAction = () => DismissAndLaunch(() => LaunchSetPasswordFlow());
+                vm.UpdateTempPasswordAction = () => DismissAndLaunch(() => LaunchUpdateTempPasswordFlow());
                 vm.SsoAuthSuccessAction = () => DismissLockAndContinue();
-                vm.CloseAction = () => DismissViewController(false, () => LaunchHomePage());
+                vm.CloseAction = () => DismissAndLaunch(() => LaunchHomePage());
             }
-
-            var navigationPage = new NavigationPage(loginPage);
-            var loginController = navigationPage.CreateViewController();
-            loginController.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
-            PresentViewController(loginController, true, null);
+            NavigateToPage(loginPage);
 
             LogoutIfAuthed();
         }
@@ -359,65 +368,97 @@ namespace Bit.iOS.ShareExtension
         private void LaunchTwoFactorFlow(bool authingWithSso)
         {
             var twoFactorPage = new TwoFactorPage();
-            var app = new App.App(new AppOptions { IosExtension = true });
-            ThemeManager.SetTheme(app.Resources);
-            ThemeManager.ApplyResourcesToPage(twoFactorPage);
+            SetupAppAndApplyResources(twoFactorPage);
             if (twoFactorPage.BindingContext is TwoFactorPageViewModel vm)
             {
                 vm.TwoFactorAuthSuccessAction = () => DismissLockAndContinue();
-                vm.StartSetPasswordAction = () => DismissViewController(false, () => LaunchSetPasswordFlow());
+                vm.StartSetPasswordAction = () => DismissAndLaunch(() => LaunchSetPasswordFlow());
                 if (authingWithSso)
                 {
-                    vm.CloseAction = () => DismissViewController(false, () => LaunchLoginSsoFlow());
+                    vm.CloseAction = () => DismissAndLaunch(() => LaunchLoginSsoFlow());
                 }
                 else
                 {
-                    vm.CloseAction = () => DismissViewController(false, () => LaunchLoginFlow());
+                    vm.CloseAction = () => DismissAndLaunch(() => LaunchLoginFlow());
                 }
-                vm.UpdateTempPasswordAction = () => DismissViewController(false, () => LaunchUpdateTempPasswordFlow());
+                vm.UpdateTempPasswordAction = () => DismissAndLaunch(() => LaunchUpdateTempPasswordFlow());
             }
-
-            var navigationPage = new NavigationPage(twoFactorPage);
-            var twoFactorController = navigationPage.CreateViewController();
-            twoFactorController.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
-            PresentViewController(twoFactorController, true, null);
+            NavigateToPage(twoFactorPage);
         }
 
         private void LaunchSetPasswordFlow()
         {
             var setPasswordPage = new SetPasswordPage();
-            var app = new App.App(new AppOptions { IosExtension = true });
-            ThemeManager.SetTheme(app.Resources);
-            ThemeManager.ApplyResourcesToPage(setPasswordPage);
+            SetupAppAndApplyResources(setPasswordPage);
             if (setPasswordPage.BindingContext is SetPasswordPageViewModel vm)
             {
-                vm.UpdateTempPasswordAction = () => DismissViewController(false, () => LaunchUpdateTempPasswordFlow());
+                vm.UpdateTempPasswordAction = () => DismissAndLaunch(() => LaunchUpdateTempPasswordFlow());
                 vm.SetPasswordSuccessAction = () => DismissLockAndContinue();
-                vm.CloseAction = () => DismissViewController(false, () => LaunchHomePage());
+                vm.CloseAction = () => DismissAndLaunch(() => LaunchHomePage());
             }
-
-            var navigationPage = new NavigationPage(setPasswordPage);
-            var setPasswordController = navigationPage.CreateViewController();
-            setPasswordController.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
-            PresentViewController(setPasswordController, true, null);
+            NavigateToPage(setPasswordPage);
         }
 
         private void LaunchUpdateTempPasswordFlow()
         {
             var updateTempPasswordPage = new UpdateTempPasswordPage();
-            var app = new App.App(new AppOptions { IosExtension = true });
-            ThemeManager.SetTheme(app.Resources);
-            ThemeManager.ApplyResourcesToPage(updateTempPasswordPage);
+            SetupAppAndApplyResources(updateTempPasswordPage);
             if (updateTempPasswordPage.BindingContext is UpdateTempPasswordPageViewModel vm)
             {
-                vm.UpdateTempPasswordSuccessAction = () => DismissViewController(false, () => LaunchHomePage());
-                vm.LogOutAction = () => DismissViewController(false, () => LaunchHomePage());
+                vm.UpdateTempPasswordSuccessAction = () => DismissAndLaunch(() => LaunchHomePage());
+                vm.LogOutAction = () => DismissAndLaunch(() => LaunchHomePage());
+            }
+            NavigateToPage(updateTempPasswordPage);
         }
 
-            var navigationPage = new NavigationPage(updateTempPasswordPage);
-            var updateTempPasswordController = navigationPage.CreateViewController();
-            updateTempPasswordController.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
-            PresentViewController(updateTempPasswordController, true, null);
+        public void Navigate(NavigationTarget navTarget, INavigationParams navParams = null)
+        {
+            if (ExtNavigationController?.ViewControllers?.Any() ?? false)
+            {
+                ExtNavigationController.PopViewController(false);
+            }
+            else if (ExtNavigationController?.ModalViewController != null)
+            {
+                ExtNavigationController.DismissModalViewController(false);
+            }
+
+            switch (navTarget)
+            {
+                case NavigationTarget.HomeLogin:
+                    ExecuteLaunch(LaunchHomePage);
+                    break;
+                case NavigationTarget.Login:
+                    if (navParams is LoginNavigationParams loginParams)
+                    {
+                        ExecuteLaunch(() => LaunchLoginFlow(loginParams.Email));
+                    }
+                    else
+                    {
+                        ExecuteLaunch(() => LaunchLoginFlow());
+                    }
+                    break;
+                case NavigationTarget.Lock:
+                    NavigateToLockViewController();
+                    break;
+                case NavigationTarget.Home:
+                    DismissLockAndContinue();
+                    break;
             }
         }
+
+        private void ExecuteLaunch(Action launchAction)
+        {
+            if (_presentingOnNavigationPage)
+            {
+                DismissAndLaunch(launchAction);
+            }
+            else
+            {
+                launchAction();
+            }
+        }
+
+        public Task SetPreviousPageInfoAsync() => Task.CompletedTask;
+        public Task UpdateThemeAsync() => Task.CompletedTask;
+    }
 }

src/iOS.ShareExtension/LockPasswordViewController.cs

@@ -1,11 +1,22 @@
+using Bit.App.Controls;
+using Bit.Core.Utilities;
 using Bit.iOS.Core.Utilities;
 using System;
 using UIKit;
 
 namespace Bit.iOS.ShareExtension
 {
-    public partial class LockPasswordViewController : Core.Controllers.LockPasswordViewController
+    public partial class LockPasswordViewController : Core.Controllers.BaseLockPasswordViewController
     {
+        AccountSwitchingOverlayView _accountSwitchingOverlayView;
+        AccountSwitchingOverlayHelper _accountSwitchingOverlayHelper;
+
+        public LockPasswordViewController()
+        {
+            BiometricIntegrityKey = Bit.Core.Constants.iOSShareExtensionBiometricIntegrityKey;
+            DismissModalAction = Cancel;
+        }
+
         public LockPasswordViewController(IntPtr handle)
             : base(handle)
         {
@@ -17,24 +28,80 @@ namespace Bit.iOS.ShareExtension
         public override UINavigationItem BaseNavItem => _navItem;
         public override UIBarButtonItem BaseCancelButton => _cancelButton;
         public override UIBarButtonItem BaseSubmitButton => _submitButton;
-        public override Action Success => () => LoadingController.DismissLockAndContinue();
-        public override Action Cancel => () => LoadingController.CompleteRequest();
+        public override Action Success => () =>
+        {
+            LoadingController?.Navigate(Bit.Core.Enums.NavigationTarget.Home);
+            LoadingController = null;
+        };
+        public override Action Cancel => () =>
+        {
+            LoadingController?.CompleteRequest();
+            LoadingController = null;
+        };
 
-        public override void ViewDidLoad()
+        public override UITableView TableView => _mainTableView;
+
+        public override async void ViewDidLoad()
         {
             base.ViewDidLoad();
+
             _cancelButton.TintColor = ThemeHelpers.NavBarTextColor;
             _submitButton.TintColor = ThemeHelpers.NavBarTextColor;
+
+            _accountSwitchingOverlayHelper = new AccountSwitchingOverlayHelper();
+            _accountSwitchingButton.Image = await _accountSwitchingOverlayHelper.CreateAvatarImageAsync();
+
+            _accountSwitchingOverlayView = _accountSwitchingOverlayHelper.CreateAccountSwitchingOverlayView(_overlayView);
+        }
+
+        protected override void UpdateNavigationBarTheme()
+        {
+            UpdateNavigationBarTheme(_navBar);
+        }
+
+        partial void AccountSwitchingButton_Activated(UIBarButtonItem sender)
+        {
+            _accountSwitchingOverlayHelper.OnToolbarItemActivated(_accountSwitchingOverlayView, _overlayView);
         }
 
         partial void SubmitButton_Activated(UIBarButtonItem sender)
         {
-            var task = CheckPasswordAsync();
+            CheckPasswordAsync().FireAndForget();
         }
 
         partial void CancelButton_Activated(UIBarButtonItem sender)
         {
             Cancel();
         }
+
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                if (TableView != null)
+                {
+                    TableView.Source?.Dispose();
+                }
+                if (_accountSwitchingButton?.Image != null)
+                {
+                    var img = _accountSwitchingButton.Image;
+                    _accountSwitchingButton.Image = null;
+                    img.Dispose();
+                }
+                if (_accountSwitchingOverlayView != null && _overlayView?.Subviews != null)
+                {
+                    foreach (var subView in _overlayView.Subviews)
+                    {
+                        subView.RemoveFromSuperview();
+                        subView.Dispose();
+                    }
+                    _accountSwitchingOverlayView = null;
+                    _overlayView.RemoveFromSuperview();
+                }
+                _accountSwitchingOverlayHelper = null;
+            }   
+
+            base.Dispose(disposing);
+        }
     }
 }

src/iOS.ShareExtension/LockPasswordViewController.designer.cs

@@ -12,18 +12,30 @@ namespace Bit.iOS.ShareExtension
 	[Register ("LockPasswordViewController")]
 	partial class LockPasswordViewController
 	{
+		[Outlet]
+		UIKit.UIBarButtonItem _accountSwitchingButton { get; set; }
+
 		[Outlet]
 		UIKit.UIBarButtonItem _cancelButton { get; set; }
 
 		[Outlet]
 		UIKit.UITableView _mainTableView { get; set; }
 
+		[Outlet]
+		UIKit.UINavigationBar _navBar { get; set; }
+
 		[Outlet]
 		UIKit.UINavigationItem _navItem { get; set; }
 
+		[Outlet]
+		UIKit.UIView _overlayView { get; set; }
+
 		[Outlet]
 		UIKit.UIBarButtonItem _submitButton { get; set; }
 
+		[Action ("AccountSwitchingButton_Activated:")]
+		partial void AccountSwitchingButton_Activated (UIKit.UIBarButtonItem sender);
+
 		[Action ("CancelButton_Activated:")]
 		partial void CancelButton_Activated (UIKit.UIBarButtonItem sender);
 
@@ -32,6 +44,11 @@ namespace Bit.iOS.ShareExtension
 		
 		void ReleaseDesignerOutlets ()
 		{
+			if (_accountSwitchingButton != null) {
+				_accountSwitchingButton.Dispose ();
+				_accountSwitchingButton = null;
+			}
+
 			if (_cancelButton != null) {
 				_cancelButton.Dispose ();
 				_cancelButton = null;
@@ -47,10 +64,20 @@ namespace Bit.iOS.ShareExtension
 				_navItem = null;
 			}
 
+			if (_overlayView != null) {
+				_overlayView.Dispose ();
+				_overlayView = null;
+			}
+
 			if (_submitButton != null) {
 				_submitButton.Dispose ();
 				_submitButton = null;
 			}
+
+			if (_navBar != null) {
+				_navBar.Dispose ();
+				_navBar = null;
+			}
 		}
 	}
 }

src/iOS.ShareExtension/MainInterface.storyboard

@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="19455" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="2vH-Do-uhk">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="20037" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="2vH-Do-uhk">
     <device id="retina6_1" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="19454"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="20020"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
@@ -11,10 +13,6 @@
         <scene sceneID="kFr-IN-5GS">
             <objects>
                 <viewController id="bHU-LX-EpF" customClass="LoadingViewController" sceneMemberID="viewController">
-                    <layoutGuides>
-                        <viewControllerLayoutGuide type="top" id="8LE-gl-yDT"/>
-                        <viewControllerLayoutGuide type="bottom" id="MuK-nA-9iu"/>
-                    </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="z2O-Vp-jY9">
                         <rect key="frame" x="0.0" y="0.0" width="414" height="808"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
@@ -23,25 +21,25 @@
                                 <rect key="frame" x="66" y="352" width="282" height="44"/>
                             </imageView>
                         </subviews>
+                        <viewLayoutGuide key="safeArea" id="jNx-Vd-K6U"/>
                         <constraints>
-                            <constraint firstItem="Zdy-yw-n0p" firstAttribute="centerX" secondItem="z2O-Vp-jY9" secondAttribute="centerX" id="6DT-HB-vS5"/>
+                            <constraint firstItem="Zdy-yw-n0p" firstAttribute="centerX" secondItem="jNx-Vd-K6U" secondAttribute="centerX" id="6DT-HB-vS5"/>
                             <constraint firstItem="Zdy-yw-n0p" firstAttribute="centerY" secondItem="z2O-Vp-jY9" secondAttribute="centerY" constant="-30" id="o9N-Tv-Iwq"/>
                         </constraints>
                     </view>
                     <navigationItem key="navigationItem" id="74l-Va-Vqa"/>
                     <connections>
                         <outlet property="Logo" destination="Zdy-yw-n0p" id="1Qk-EK-0BO"/>
-                        <segue destination="rh6-Mf-4Ja" kind="presentation" identifier="lockPasswordSegue" id="ZUl-jv-5se"/>
                     </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="yJx-cc-wzs" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>
             <point key="canvasLocation" x="-374" y="560"/>
         </scene>
-        <!--Navigation Controller-->
+        <!--Extension Navigation Controller-->
         <scene sceneID="Wgx-vz-XqL">
             <objects>
-                <navigationController definesPresentationContext="YES" id="2vH-Do-uhk" sceneMemberID="viewController">
+                <navigationController definesPresentationContext="YES" id="2vH-Do-uhk" customClass="ExtensionNavigationController" sceneMemberID="viewController">
                     <navigationBar key="navigationBar" hidden="YES" contentMode="scaleToFill" translucent="NO" id="JoO-jQ-16M">
                         <rect key="frame" x="0.0" y="44" width="414" height="44"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMaxY="YES"/>
@@ -54,60 +52,89 @@
             </objects>
             <point key="canvasLocation" x="-1097" y="564"/>
         </scene>
-        <!--Navigation Controller-->
-        <scene sceneID="Tzp-2o-9k7">
+        <!--Lock Password View Controller-->
+        <scene sceneID="vQB-cT-8IC">
             <objects>
-                <navigationController definesPresentationContext="YES" id="rh6-Mf-4Ja" sceneMemberID="viewController">
-                    <navigationBar key="navigationBar" contentMode="scaleToFill" translucent="NO" id="UDq-kw-Ue7">
-                        <rect key="frame" x="0.0" y="0.0" width="414" height="56"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMaxY="YES"/>
-                    </navigationBar>
-                    <connections>
-                        <segue destination="85y-W9-d8q" kind="relationship" relationship="rootViewController" id="TeA-GE-A22"/>
-                    </connections>
-                </navigationController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="BVV-5B-aim" userLabel="First Responder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="-375" y="1262"/>
-        </scene>
-        <!--Verify Master Password-->
-        <scene sceneID="OEb-ak-BVc">
-            <objects>
-                <tableViewController id="85y-W9-d8q" customClass="LockPasswordViewController" sceneMemberID="viewController">
-                    <tableView key="view" opaque="NO" clipsSubviews="YES" clearsContextBeforeDrawing="NO" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="static" style="grouped" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" id="9on-wf-zdb">
-                        <rect key="frame" x="0.0" y="0.0" width="414" height="786"/>
+                <viewController storyboardIdentifier="lockVC" id="Vi7-LV-nWW" customClass="LockPasswordViewController" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="Vfd-7B-19G">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" red="0.94901960784313721" green="0.94901960784313721" blue="0.96862745098039216" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <connections>
-                            <outlet property="dataSource" destination="85y-W9-d8q" id="3il-RO-S3K"/>
-                            <outlet property="delegate" destination="85y-W9-d8q" id="bLb-h4-pr3"/>
-                        </connections>
+                        <subviews>
+                            <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="grouped" separatorStyle="default" rowHeight="-1" estimatedRowHeight="-1" sectionHeaderHeight="18" estimatedSectionHeaderHeight="-1" sectionFooterHeight="18" estimatedSectionFooterHeight="-1" translatesAutoresizingMaskIntoConstraints="NO" id="M1A-84-x5l">
+                                <rect key="frame" x="0.0" y="88" width="414" height="774"/>
+                                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                             </tableView>
-                    <navigationItem key="navigationItem" title="Verify Master Password" id="qL3-iV-6Ld">
-                        <barButtonItem key="leftBarButtonItem" title="Cancel" id="d8j-HZ-erD">
+                            <view userInteractionEnabled="NO" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="ijE-Pa-OBq" userLabel="OverlayView">
+                                <rect key="frame" x="0.0" y="88" width="414" height="774"/>
+                                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                            </view>
+                            <navigationBar contentMode="scaleToFill" translucent="NO" translatesAutoresizingMaskIntoConstraints="NO" id="fav-Fz-6ZK">
+                                <rect key="frame" x="0.0" y="44" width="414" height="44"/>
+                                <items>
+                                    <navigationItem title="Verify Master Password" id="aka-In-IYk">
+                                        <leftBarButtonItems>
+                                            <barButtonItem title="Cancel" id="LrG-Qx-w4Q">
                                                 <connections>
-                                <action selector="CancelButton_Activated:" destination="85y-W9-d8q" id="p54-B0-Vyf"/>
+                                                    <action selector="CancelButton_Activated:" destination="Vi7-LV-nWW" id="qyZ-i9-Dwz"/>
                                                 </connections>
                                             </barButtonItem>
-                        <barButtonItem key="rightBarButtonItem" title="Submit" id="8a7-Vz-SJA">
+                                            <barButtonItem title="Item" image="person.2" catalog="system" style="plain" id="nlD-Xn-HtM" userLabel="Account Switching Button">
+                                                <color key="tintColor" systemColor="systemBackgroundColor"/>
                                                 <connections>
-                                <action selector="SubmitButton_Activated:" destination="85y-W9-d8q" id="P8A-7O-lpY"/>
+                                                    <action selector="AccountSwitchingButton_Activated:" destination="Vi7-LV-nWW" id="G3U-rv-UOl"/>
+                                                </connections>
+                                            </barButtonItem>
+                                        </leftBarButtonItems>
+                                        <barButtonItem key="rightBarButtonItem" title="Submit" id="oQD-QK-YPB">
+                                            <connections>
+                                                <action selector="SubmitButton_Activated:" destination="Vi7-LV-nWW" id="DgO-TS-MPf"/>
                                             </connections>
                                         </barButtonItem>
                                     </navigationItem>
+                                </items>
+                                <userDefinedRuntimeAttributes>
+                                    <userDefinedRuntimeAttribute type="number" keyPath="barPosition">
+                                        <integer key="value" value="3"/>
+                                    </userDefinedRuntimeAttribute>
+                                </userDefinedRuntimeAttributes>
+                            </navigationBar>
+                        </subviews>
+                        <viewLayoutGuide key="safeArea" id="SSW-s3-JwL"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                        <constraints>
+                            <constraint firstItem="M1A-84-x5l" firstAttribute="leading" secondItem="SSW-s3-JwL" secondAttribute="leading" id="3Es-aL-5Og"/>
+                            <constraint firstItem="ijE-Pa-OBq" firstAttribute="leading" secondItem="SSW-s3-JwL" secondAttribute="leading" id="6Lj-CR-OFz"/>
+                            <constraint firstItem="fav-Fz-6ZK" firstAttribute="leading" secondItem="SSW-s3-JwL" secondAttribute="leading" id="BEJ-gh-NAq"/>
+                            <constraint firstItem="fav-Fz-6ZK" firstAttribute="top" secondItem="SSW-s3-JwL" secondAttribute="top" id="CLE-2p-LI3"/>
+                            <constraint firstItem="SSW-s3-JwL" firstAttribute="trailing" secondItem="M1A-84-x5l" secondAttribute="trailing" id="GaL-B0-2Lg"/>
+                            <constraint firstItem="SSW-s3-JwL" firstAttribute="bottom" secondItem="M1A-84-x5l" secondAttribute="bottom" id="LG1-vj-VhW"/>
+                            <constraint firstItem="SSW-s3-JwL" firstAttribute="trailing" secondItem="ijE-Pa-OBq" secondAttribute="trailing" id="Q3J-Wa-mnY"/>
+                            <constraint firstItem="ijE-Pa-OBq" firstAttribute="top" secondItem="fav-Fz-6ZK" secondAttribute="bottom" id="h8T-rn-ZPU"/>
+                            <constraint firstItem="SSW-s3-JwL" firstAttribute="trailing" secondItem="fav-Fz-6ZK" secondAttribute="trailing" id="tux-AN-Z92"/>
+                            <constraint firstItem="SSW-s3-JwL" firstAttribute="bottom" secondItem="ijE-Pa-OBq" secondAttribute="bottom" id="zLh-RX-eSc"/>
+                            <constraint firstItem="M1A-84-x5l" firstAttribute="top" secondItem="fav-Fz-6ZK" secondAttribute="bottom" id="zgM-he-DYl"/>
+                        </constraints>
+                    </view>
                     <connections>
-                        <outlet property="_cancelButton" destination="d8j-HZ-erD" id="wlI-el-Snh"/>
-                        <outlet property="_mainTableView" destination="9on-wf-zdb" id="ltj-yY-5ue"/>
-                        <outlet property="_navItem" destination="qL3-iV-6Ld" id="Grb-Ta-NCF"/>
-                        <outlet property="_submitButton" destination="8a7-Vz-SJA" id="LS8-6Y-Wkp"/>
+                        <outlet property="_accountSwitchingButton" destination="nlD-Xn-HtM" id="SSG-zv-bAc"/>
+                        <outlet property="_cancelButton" destination="LrG-Qx-w4Q" id="aag-ZZ-Ifs"/>
+                        <outlet property="_mainTableView" destination="M1A-84-x5l" id="pA4-ao-Fhu"/>
+                        <outlet property="_navBar" destination="fav-Fz-6ZK" id="Q9p-Dw-ipx"/>
+                        <outlet property="_navItem" destination="aka-In-IYk" id="www-Lt-x1g"/>
+                        <outlet property="_overlayView" destination="ijE-Pa-OBq" id="n9e-Lg-4WO"/>
+                        <outlet property="_submitButton" destination="oQD-QK-YPB" id="SEp-KK-YeP"/>
                     </connections>
-                </tableViewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="5by-Sa-d9m" userLabel="First Responder" sceneMemberID="firstResponder"/>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="Czu-9n-yKC" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="335" y="1260"/>
+            <point key="canvasLocation" x="403" y="560"/>
         </scene>
     </scenes>
     <resources>
         <image name="logo.png" width="282" height="44"/>
+        <image name="person.2" catalog="system" width="128" height="81"/>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
     </resources>
 </document>

src/iOS.ShareExtension/iOS.ShareExtension.csproj

@@ -26,7 +26,6 @@
     <MtouchLink>None</MtouchLink>
     <MtouchArch>x86_64</MtouchArch>
     <MtouchHttpClientHandler>NSUrlSessionHandler</MtouchHttpClientHandler>
-    <DeviceSpecificBuild>false</DeviceSpecificBuild>
     <MtouchVerbosity></MtouchVerbosity>
     <CodesignEntitlements>Entitlements.plist</CodesignEntitlements>
     <AssemblyName>BitwardeniOSShareExtension</AssemblyName>
@@ -193,6 +192,10 @@
     <Compile Include="LockPasswordViewController.designer.cs">
       <DependentUpon>LockPasswordViewController.cs</DependentUpon>
     </Compile>
+    <Compile Include="ExtensionNavigationController.cs" />
+    <Compile Include="ExtensionNavigationController.designer.cs">
+      <DependentUpon>ExtensionNavigationController.cs</DependentUpon>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\App\App.csproj">