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`