Added listview renderer that implements margins as contentinset. Added margin to vault listview.

src/App/Pages/VaultListSitesPage.cs

@@ -44,6 +44,7 @@ namespace Bit.App.Pages
 
             var listView = new ListView
             {
+                Margin = new Thickness(0, 0, -15, 0),
                 IsGroupingEnabled = true,
                 ItemsSource = Folders,
                 HasUnevenRows = true,

src/iOS/Controls/ExtendedTextCellRenderer.cs

@@ -35,8 +35,7 @@ namespace Bit.iOS.Controls
                             detailDisclosureButton.SetImage(UIImage.FromBundle(extendedCell.DisclousureImage), UIControlState.Selected);
                         }
 
-                        detailDisclosureButton.Frame = new CGRect(0f, 0f, 40f, 40f);
-                        detailDisclosureButton.HorizontalAlignment = UIControlContentHorizontalAlignment.Right;
+                        detailDisclosureButton.Frame = new CGRect(0f, 0f, 50f, 40f);
                         detailDisclosureButton.TouchUpInside += (sender, e) =>
                         {
                             extendedCell.OnDisclousureTapped();

src/iOS/Controls/ListViewRenderer.cs

@@ -0,0 +1,41 @@
+using System;
+using System.ComponentModel;
+using UIKit;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.iOS;
+
+[assembly: ExportRenderer(typeof(ListView), typeof(Bit.iOS.Controls.ListViewRenderer))]
+namespace Bit.iOS.Controls
+{
+    public class ListViewRenderer : Xamarin.Forms.Platform.iOS.ListViewRenderer
+    {
+        protected override void OnElementChanged(ElementChangedEventArgs<ListView> e)
+        {
+            base.OnElementChanged(e);
+
+            var view = e.NewElement as ListView;
+            if(view != null)
+            {
+                SetMargin(view);
+            }
+        }
+
+        protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+        {
+            base.OnElementPropertyChanged(sender, e);
+            if(e.PropertyName == View.MarginProperty.PropertyName)
+            {
+                SetMargin(Element);
+            }
+        }
+
+        private void SetMargin(ListView view)
+        {
+            Control.ContentInset = new UIEdgeInsets(
+                new nfloat(view.Margin.Top),
+                new nfloat(view.Margin.Left),
+                new nfloat(view.Margin.Bottom),
+                new nfloat(view.Margin.Right));
+        }
+    }
+}

src/iOS/iOS.csproj

@@ -109,6 +109,7 @@
   <ItemGroup>
     <Compile Include="Controls\ContentPageRenderer.cs" />
     <Compile Include="Controls\ExtendedSwitchCellRenderer.cs" />
+    <Compile Include="Controls\ListViewRenderer.cs" />
     <Compile Include="Controls\ExtendedViewCellRenderer.cs" />
     <Compile Include="Controls\ExtendedTextCellRenderer.cs" />
     <Compile Include="Controls\ExtendedTableViewRenderer.cs" />