Well, what I am experiencing is that it would take some time (seconds) until I even get into scrollerInstance_creationCompleteHandler.
On Wed, Dec 18, 2013 at 1:42 PM, jude <[email protected]> wrote: > I was looking into this a few days ago. I was comparing the scrolling in > Flex container scrolling in a page in the browser. The browsers scrolling > was much smoother and faster (for me - Firefox, Mac). I found an example > online to increase the page scroll size and it's an improvement but it's > not as smooth: > > protected function > scrollerInstance_creationCompleteHandler(event:FlexEvent):void { > scrollerInstance.addEventListener(MouseEvent.MOUSE_WHEEL, > scroller_mouseWheel, true); > } > > protected function scroller_mouseWheel(e:MouseEvent):void { > e.preventDefault(); > e.stopImmediatePropagation(); > scrollerInstance.viewport.verticalScrollPosition -= e.delta * 10; > } > > > I realized the Scroller class already has smooth scrolling support as of > Flex 4.5 on mobile but it's disabled on the desktop. You can enable it on > desktop by setting the interaction mode to touch but it has a few major > issues. > > • the Scroller UI is invisible until it's used and then it fades out the UI > components (track and thumb buttons) > • it interferes with normal mouse interactions (adds dragging the screen on > mouse down and mouse move like the hand cursor in Acrobat) > • it ignores common mouse interactions (mouse wheel scrolling). > • it reverses the scroll direction > > This might be something we can enable in the Scroller class through a > property such as "enableSmoothScrolling" but it would require some work to > work on desktop. > > > On Wed, Dec 18, 2013 at 11:10 AM, mark goldin <[email protected]> > wrote: > > > I have a screen with a number of TileGroups positioned vetically. Each > > TileGroup has a number of controls too. Yes, this screen is very busy. > All > > these Tilegroups are placed inside of Scroller in order to scroll the > > screen. I am listening to updateComplete on the Scroller. I see that it > > takes time before I get into the listener. What kind of recommendations > > anyone has to improve scroller's performance? > > > > Thanks > > >
