From 10f8cd4d2f30083c5f95793a1bb82222a3b5b311 Mon Sep 17 00:00:00 2001
From: Panayot Cankov <panayot.cankov@telerik.com>
Date: Tue, 4 Apr 2017 11:31:27 +0300
Subject: [PATCH] Fix android PathInterpolator

---
 tns-core-modules/ui/animation/animation.android.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tns-core-modules/ui/animation/animation.android.ts b/tns-core-modules/ui/animation/animation.android.ts
index 5126147b6..08e538cd4 100644
--- a/tns-core-modules/ui/animation/animation.android.ts
+++ b/tns-core-modules/ui/animation/animation.android.ts
@@ -70,10 +70,10 @@ export function _resolveAnimationCurve(curve: string | CubicBezierAnimationCurve
             }
             if (curve instanceof CubicBezierAnimationCurve) {
                 return (<any>android).support.v4.view.animation.PathInterpolatorCompat.create(curve.x1, curve.y1, curve.x2, curve.y2);
-            } else if (curve instanceof android.view.animation.Interpolator) {
-                return curve;
+            } else if (curve && (<any>curve).getInterpolation) {
+                return <android.view.animation.Interpolator>curve;
             } else if ((<any>curve) instanceof android.view.animation.LinearInterpolator) {
-                return <android.view.animation.Interpolator><any>curve;
+                return <android.view.animation.Interpolator>curve;
             } else {
                 throw new Error(`Invalid animation curve: ${curve}`);
             }