Android - Fix for losing focus in Editor when Table View's Table Section Changes

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue9618.cs

@@ -0,0 +1,60 @@
+using System.Threading.Tasks;
+using Xamarin.Forms.CustomAttributes;
+using Xamarin.Forms.Internals;
+
+#if UITEST
+using Xamarin.Forms.Core.UITests;
+using Xamarin.UITest;
+using NUnit.Framework;
+#endif
+
+namespace Xamarin.Forms.Controls.Issues
+{
+	[Preserve(AllMembers = true)]
+	[Issue(IssueTracker.Github, 9618, "[Bug] Changing Text of TableSection changes focus.", PlatformAffected.All)]
+	public class Issue9618 : TestContentPage 
+	{
+		public TableSection TableSectionToChange { get; set; }
+		public Editor EditorToFocus { get; set; }
+
+		protected override void Init()
+		{
+
+			var tableView = new TableView();
+			var tableRoot = new TableRoot();
+
+			TableSectionToChange = new TableSection() { Title = "Change me" };
+			var firstViewCell = new ViewCell();
+			firstViewCell.View = new Label() { Text = "Hello" };
+
+			TableSectionToChange.Add(firstViewCell);
+
+			var editorTableSection = new TableSection() { Title = "Editor Title" };
+			var editorViewCell = new ViewCell();
+			EditorToFocus = new Editor();
+
+			editorViewCell.View = EditorToFocus;
+			editorTableSection.Add(editorViewCell);
+
+			tableRoot.Add(TableSectionToChange);
+			tableRoot.Add(editorTableSection);
+			tableView.Root = tableRoot;
+
+			Content = tableView;
+		}
+
+		protected override void OnAppearing()
+		{
+			base.OnAppearing();
+
+			Device.BeginInvokeOnMainThread(async () =>
+			{
+				EditorToFocus.Focus();
+
+				await Task.Delay(4000);
+
+				TableSectionToChange.Title = "Did I really lose focus?";
+			});
+		}
+	}
+}

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems

@@ -1635,6 +1635,8 @@
     <Compile Include="$(MSBuildThisFileDirectory)Issue11291.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue11244.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue11272.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Issue9618.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Issue11333.xaml.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue11333.xaml.cs">
       <DependentUpon>Issue11333.xaml</DependentUpon>
     </Compile>

Xamarin.Forms.Platform.Android/Renderers/TableViewModelRenderer.cs

@@ -160,8 +160,6 @@ public override AView GetView(int position, AView convertView, ViewGroup parent)
 
 				_restoreFocus = null;
 			}
-			else if (aview.HasFocus)
-				aview.ClearFocus();
 
 			return layout;
 		}