From cf2b3de662527670149daef7defccded66d0fb4e Mon Sep 17 00:00:00 2001
From: vakrilov <alexander.vakrilov@telerik.com>
Date: Fri, 24 Feb 2017 13:52:19 +0200
Subject: [PATCH] Fix: Background not re-drawing on android

---
 tns-core-modules/ui/styling/background.android.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tns-core-modules/ui/styling/background.android.ts b/tns-core-modules/ui/styling/background.android.ts
index 90743cc9c..115494c1d 100644
--- a/tns-core-modules/ui/styling/background.android.ts
+++ b/tns-core-modules/ui/styling/background.android.ts
@@ -47,7 +47,9 @@ export module ad {
             && isNullOrUndefined(background.image)
             && !isNullOrUndefined(background.color)) {
             let backgroundColor = (<any>backgroundDrawable).backgroundColor = background.color.android;
+            backgroundDrawable.mutate();
             backgroundDrawable.setColorFilter(backgroundColor, android.graphics.PorterDuff.Mode.SRC_IN);
+            backgroundDrawable.invalidateSelf(); // Make sure the drawable is invalidated. Android forgets to invalidate it in some cases: toolbar
             (<any>backgroundDrawable).backgroundColor = backgroundColor;
         }
         else if (!background.isEmpty()) {