Well if your profiling shows 91% of the time spent in the GestureDectory, then you are probably doing something wrong.
> I don't do anything related to scrolling except for make it scrolldown > (scrollTo(x,y)) and detecting if Im trying to scroll up and set a > boolean which says dont make it scroll. Why do you call scrollTo() since ScrollView already handles that? > > On Mar 30, 10:45 pm, Romain Guy <[email protected]> wrote: >> Why are you using your own fling mechanism with GestureDetector? >> ScrollView already handles all of that. >> >> >> >> On Mon, Mar 30, 2009 at 2:18 PM, AlCapwn <[email protected]> wrote: >> >> > On Mar 30, 9:40 pm, Romain Guy <[email protected]> wrote: >> >> How is your scrolling implemented exactly? >> >> > It just uses a ScrollView. >> >> >> What is the view hierarchy? >> > ViewFlipper with children which have this layout: >> >> > RelativeLayout >> > -> Image Button >> > -> ImageButton >> > -> EditText >> > -> LinearLayout (used only for a context menu, not visible or >> > focusable) >> > -> Scrollview >> > -> TextView >> >> > The same onTouch and gesture listeners are used by the scrollview (for >> > trying to detect when to not autoscroll) and the textview (for fling >> > gestures). I've tried using only 1 view for this, but it didn't work. >> > Removing the listeners have no effect on the scrolling it seems. The >> > listeners themselves do nothing overly special, just try to detect a >> > gesture using the motion events and check if scrolling should be >> > stopped. >> >> >> Have you tried profiling? >> >> > Plenty of times. The trace shows 91% if spent in >> > GestureDetector#onTouchEvent and the rest in some small computations I >> > do. >> >> > I've also tried removing some text from the textview occasionally and >> > it helps but I dont see why the scrolling would be that badly affected >> > with 400 lines of text. >> >> > Thanks. >> >> >> On Mon, Mar 30, 2009 at 1:39 PM, Al <[email protected]> wrote: >> >> >> > Currently, attempting to scroll when the textview has large amount of >> >> > text makes the app completely unresponsive. It doesnt ANR, but it >> >> > doesn't respond either. I've tried occasionally removing some text >> >> > from the textview and removing some spans also, but it doesnt seem to >> >> > help much. Any idea how to improve scrolling? It takes ages to scroll >> >> > up or down. I also tried throttling touch events but it hasnt helped >> >> > either. >> >> >> -- >> >> Romain Guy >> >> Android framework engineer >> >> [email protected] >> >> >> Note: please don't send private questions to me, as I don't have time >> >> to provide private support. All such questions should be posted on >> >> public forums, where I and others can see and answer them >> >> -- >> Romain Guy >> Android framework engineer >> [email protected] >> >> Note: please don't send private questions to me, as I don't have time >> to provide private support. All such questions should be posted on >> public forums, where I and others can see and answer them > > > -- Romain Guy Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
