1 files changed, 79 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.Android/ViewPool.cs b/Xamarin.Forms.Platform.Android/ViewPool.cs
new file mode 100644
index 00000000..b5c1ddc7
--- /dev/null
+++ b/Xamarin.Forms.Platform.Android/ViewPool.cs
@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using Android.Views;
+using AView = Android.Views.View;
+
+namespace Xamarin.Forms.Platform.Android
+{
+	public class ViewPool : IDisposable
+	{
+		readonly Dictionary<Type, Stack<AView>> _freeViews = new Dictionary<Type, Stack<AView>>();
+		readonly ViewGroup _viewGroup;
+
+		bool _disposed;
+
+		public ViewPool(ViewGroup viewGroup)
+		{
+			_viewGroup = viewGroup;
+		}
+
+		public void Dispose()
+		{
+			if (_disposed)
+				return;
+
+			foreach (Stack<AView> views in _freeViews.Values)
+			{
+				foreach (AView view in views)
+					view.Dispose();
+			}
+
+			_disposed = true;
+		}
+
+		public void ClearChildren()
+		{
+			if (_disposed)
+				throw new ObjectDisposedException(null);
+
+			ClearChildren(_viewGroup);
+		}
+
+		public TView GetFreeView<TView>() where TView : AView
+		{
+			if (_disposed)
+				throw new ObjectDisposedException(null);
+
+			Stack<AView> views;
+			if (_freeViews.TryGetValue(typeof(TView), out views) && views.Count > 0)
+				return (TView)views.Pop();
+
+			return null;
+		}
+
+		void ClearChildren(ViewGroup group)
+		{
+			if (group == null)
+				return;
+
+			int count = group.ChildCount;
+			for (var i = 0; i < count; i++)
+			{
+				AView child = group.GetChildAt(i);
+
+				var g = child as ViewGroup;
+				if (g != null)
+					ClearChildren(g);
+
+				Type childType = child.GetType();
+				Stack<AView> stack;
+				if (!_freeViews.TryGetValue(childType, out stack))
+					_freeViews[childType] = stack = new Stack<AView>();
+
+				stack.Push(child);
+			}
+
+			group.RemoveAllViews();
+		}
+	}
+}
+\ No newline at end of file