dark keyboard on dark themes. resolves #588

src/iOS.Autofill/LoginSearchViewController.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using Bit.iOS.Autofill.Models;
 using Foundation;
 using UIKit;
@@ -27,6 +27,10 @@ namespace Bit.iOS.Autofill
             CancelBarButton.Title = AppResources.Cancel;
             SearchBar.Placeholder = AppResources.Search;
             SearchBar.BackgroundColor = SearchBar.BarTintColor = ThemeHelpers.ListHeaderBackgroundColor;
+            if(!ThemeHelpers.LightTheme)
+            {
+                SearchBar.KeyboardAppearance = UIKeyboardAppearance.Dark;
+            }
 
             TableView.RowHeight = UITableView.AutomaticDimension;
             TableView.EstimatedRowHeight = 44;

src/iOS.Core/Services/DeviceActionService.cs

@@ -8,6 +8,7 @@ using Bit.App.Resources;
 using Bit.Core.Abstractions;
 using Bit.Core.Enums;
 using Bit.Core.Models.View;
+using Bit.iOS.Core.Utilities;
 using Bit.iOS.Core.Views;
 using CoreGraphics;
 using Foundation;
@@ -203,6 +204,10 @@ namespace Bit.iOS.Core.Services
                 {
                     input.KeyboardType = UIKeyboardType.NumberPad;
                 }
+                if(!ThemeHelpers.LightTheme)
+                {
+                    input.KeyboardAppearance = UIKeyboardAppearance.Dark;
+                }
             });
             var vc = GetPresentedViewController();
             vc?.PresentViewController(alert, true, null);

src/iOS.Core/Views/FormEntryTableViewCell.cs

@@ -41,6 +41,11 @@ namespace Bit.iOS.Core.Views
                     BackgroundColor = ThemeHelpers.BackgroundColor
                 };
 
+                if(!ThemeHelpers.LightTheme)
+                {
+                    TextView.KeyboardAppearance = UIKeyboardAppearance.Dark;
+                }
+
                 ContentView.Add(TextView);
                 ContentView.AddConstraints(new NSLayoutConstraint[] {
                     NSLayoutConstraint.Create(TextView, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, ContentView, NSLayoutAttribute.Leading, 1f, 15f),
@@ -78,6 +83,11 @@ namespace Bit.iOS.Core.Views
                     BackgroundColor = ThemeHelpers.BackgroundColor
                 };
 
+                if(!ThemeHelpers.LightTheme)
+                {
+                    TextField.KeyboardAppearance = UIKeyboardAppearance.Dark;
+                }
+
                 if(useLabelAsPlaceholder)
                 {
                     TextField.Placeholder = labelName;

src/iOS.Core/Views/PickerTableViewCell.cs

@@ -41,6 +41,11 @@ namespace Bit.iOS.Core.Views
                 BackgroundColor = ThemeHelpers.BackgroundColor
             };
 
+            if(!ThemeHelpers.LightTheme)
+            {
+                TextField.KeyboardAppearance = UIKeyboardAppearance.Dark;
+            }
+
             var width = (float)UIScreen.MainScreen.Bounds.Width;
             var toolbar = new UIToolbar(new RectangleF(0, 0, width, 44))
             {

src/iOS/Renderers/CustomEditorRenderer.cs

@@ -20,6 +20,7 @@ namespace Bit.iOS.Renderers
                 Control.TextContainerInset = new UIEdgeInsets(0, 0, 0, 0);
                 Control.TextContainer.LineFragmentPadding = 0;
                 UpdateTintColor();
+                UpdateKeyboardAppearance();
             }
         }
 
@@ -36,5 +37,13 @@ namespace Bit.iOS.Renderers
         {
             Control.TintColor = Element.TextColor.ToUIColor();
         }
+
+        private void UpdateKeyboardAppearance()
+        {
+            if(!Core.Utilities.ThemeHelpers.LightTheme)
+            {
+                Control.KeyboardAppearance = UIKeyboardAppearance.Dark;
+            }
+        }
     }
 }

src/iOS/Renderers/CustomEntryRenderer.cs

@@ -18,6 +18,7 @@ namespace Bit.iOS.Renderers
                 Control.ClearButtonMode = UITextFieldViewMode.WhileEditing;
                 UpdateTintColor();
                 UpdateFontSize();
+                UpdateKeyboardAppearance();
                 iOSHelpers.SetBottomBorder(Control);
             }
         }
@@ -57,5 +58,13 @@ namespace Bit.iOS.Renderers
         {
             Control.TintColor = Element.TextColor.ToUIColor();
         }
+
+        private void UpdateKeyboardAppearance()
+        {
+            if(!Core.Utilities.ThemeHelpers.LightTheme)
+            {
+                Control.KeyboardAppearance = UIKeyboardAppearance.Dark;
+            }
+        }
     }
 }

src/iOS/Renderers/CustomPickerRenderer.cs

@@ -17,6 +17,15 @@ namespace Bit.iOS.Renderers
                 var descriptor = UIFontDescriptor.PreferredBody;
                 Control.Font = UIFont.FromDescriptor(descriptor, descriptor.PointSize);
                 iOSHelpers.SetBottomBorder(Control);
+                UpdateKeyboardAppearance();
+            }
+        }
+
+        private void UpdateKeyboardAppearance()
+        {
+            if(!Core.Utilities.ThemeHelpers.LightTheme)
+            {
+                Control.KeyboardAppearance = UIKeyboardAppearance.Dark;
             }
         }
     }

src/iOS/Renderers/CustomSearchBarRenderer.cs

@@ -0,0 +1,28 @@
+using Bit.iOS.Renderers;
+using UIKit;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.iOS;
+
+[assembly: ExportRenderer(typeof(SearchBar), typeof(CustomSearchBarRenderer))]
+namespace Bit.iOS.Renderers
+{
+    public class CustomSearchBarRenderer : SearchBarRenderer
+    {
+        protected override void OnElementChanged(ElementChangedEventArgs<SearchBar> e)
+        {
+            base.OnElementChanged(e);
+            if(e.NewElement is SearchBar)
+            {
+                UpdateKeyboardAppearance();
+            }
+        }
+
+        private void UpdateKeyboardAppearance()
+        {
+            if(!Core.Utilities.ThemeHelpers.LightTheme)
+            {
+                Control.KeyboardAppearance = UIKeyboardAppearance.Dark;
+            }
+        }
+    }
+}

src/iOS/iOS.csproj

@@ -137,6 +137,7 @@
     <Compile Include="Migration\KeyChainStorageService.cs" />
     <Compile Include="NFCReaderDelegate.cs" />
     <Compile Include="Renderers\CustomButtonRenderer.cs" />
+    <Compile Include="Renderers\CustomSearchBarRenderer.cs" />
     <Compile Include="Renderers\CustomTabbedRenderer.cs" />
     <Compile Include="Renderers\CustomPickerRenderer.cs" />
     <Compile Include="Renderers\CustomEntryRenderer.cs" />