From e18c33b9197906f2c18b104ff5b4eaad8304effd Mon Sep 17 00:00:00 2001
From: Rui Marinho <me@ruimarinho.net>
Date: Tue, 25 Sep 2018 11:06:29 +0100
Subject: [PATCH] [Android] Convert  corner radius with correct pixel density
 fixes #3884

---
 .../Renderers/BoxRenderer.cs                  | 25 +++++++++++--------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/Xamarin.Forms.Platform.Android/Renderers/BoxRenderer.cs b/Xamarin.Forms.Platform.Android/Renderers/BoxRenderer.cs
index 8415db59207..05ca281c669 100644
--- a/Xamarin.Forms.Platform.Android/Renderers/BoxRenderer.cs
+++ b/Xamarin.Forms.Platform.Android/Renderers/BoxRenderer.cs
@@ -106,25 +106,28 @@ protected override void Dispose(bool disposing)
 		void UpdateCornerRadius()
 		{
 			var cornerRadius = Element.CornerRadius;
-			if (cornerRadius == new CornerRadius(0d)) {
+			if (cornerRadius == new CornerRadius(0d))
+			{
 				_backgroundDrawable?.Dispose();
 				_backgroundDrawable = null;
 			}
-			else {
+			else
+			{
 				this.SetBackground(_backgroundDrawable = new GradientDrawable());
-				if (Background is GradientDrawable backgroundGradient) {
+				if (Background is GradientDrawable backgroundGradient)
+				{
 					var cornerRadii = new[] {
-						(float)(cornerRadius.TopLeft),
-						(float)(cornerRadius.TopLeft),
+						(float)(Context.ToPixels(cornerRadius.TopLeft)),
+						(float)(Context.ToPixels(cornerRadius.TopLeft)),
 
-						(float)(cornerRadius.TopRight),
-						(float)(cornerRadius.TopRight),
+						(float)(Context.ToPixels(cornerRadius.TopRight)),
+						(float)(Context.ToPixels(cornerRadius.TopRight)),
 
-						(float)(cornerRadius.BottomRight),
-						(float)(cornerRadius.BottomRight),
+						(float)(Context.ToPixels(cornerRadius.BottomRight)),
+						(float)(Context.ToPixels(cornerRadius.BottomRight)),
 
-						(float)(cornerRadius.BottomLeft),
-						(float)(cornerRadius.BottomLeft)
+						(float)(Context.ToPixels(cornerRadius.BottomLeft)),
+						(float)(Context.ToPixels(cornerRadius.BottomLeft))
 					};
 
 					backgroundGradient.SetCornerRadii(cornerRadii);