NativeScript
diff --git a/‎tns-core-modules/ui/gestures/gestures.ios.ts‎
Lines changed: 6 additions & 2 deletions b/‎tns-core-modules/ui/gestures/gestures.ios.ts‎
Lines changed: 6 additions & 2 deletions
@@ -197,8 +197,12 @@ export class GesturesObserver extends GesturesObserverBase {
     }
 
     public _executeCallback(args: GestureEventData) {
-        if (this.callback) {
-            this.callback.call(this.context, args);
+        try {
+            if (this.callback && this.context) {
+                this.callback.call(this.context, args);
+            }
+        } catch (e) {
+            // TODO
         }
     }
Original file line number	Diff line number	Diff line change
@@ -197,8 +197,12 @@ export class GesturesObserver extends GesturesObserverBase {
197	197	}
198	198
199	199	public _executeCallback(args: GestureEventData) {
200		- if (this.callback) {
201		- this.callback.call(this.context, args);
	200	+ try {
	201	+ if (this.callback && this.context) {
	202	+ this.callback.call(this.context, args);
	203	+ }
	204	+ } catch (e) {
	205	+ // TODO
202	206	}
203	207	}
204	208