Mobile Flex: Fast Zoom Crash

[MattSheehan]

We are seeing an issue on mobiles with fast zooms crashing the app. See the following example:

http://webmapsolutions.com/demos/iPadMobileCrash/iPadMobileCrash.html

We thought it might have something to do with dropshadows so we put in place:

(layer as FeatureLayer).filters = [new spark.filters.DropShadowFilter(1,90,0xffffff)];
(layer as FeatureLayer).filters = [new flash.filters.DropShadowFilter(1,90,0xffffff)];

But no joy. This may have something to do with the underlying technology, but we wondered if there might be any work arounds to get past this problem?

Thanks

--Matt

[YannCabon]

Hi Matt,

Yes the Flash Player is dealing really badly with filters and scaling display objects at the same time.
There is nothing we can do about it.

Yann

[JoachimPetersen]

attach a timer(delay) on it, that might prevent it from crashing?
http://resources.esri.com/help/9.3/arcgisserver/apis/flex/apiref/com/esri/ags/events/ZoomEvent.html

public function init():void {
    map.addEventListener(ZoomEvent.ZOOM_END, logZoomEvent);
   }

   public function logZoomEvent(event:ZoomEvent):void {
                                 //some delay here, like disable zoom function until a timer has finished?
   }

[MattSheehan]

Thanks Yann. Hope Adobe update the player in the near future to fix this issue. Avoiding finger pinches is a way around the problem. The crash is more rare with a single finger double tap (zoom in) and simultaneous double finger tap (zoom out).

--Matt