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I'm developing a multitouch application. One touch is expected to move, and I need to track its position. For all other touches, I need to track their beginnings and endings, but their movement is less critical.
Sometimes, when 3 or more touches are active, my UIView does not receive touchesMoved:…
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Hi Everyone,
Is there a way to increase the frequency calls of touchesMoved than the default? I need more calls of it to draw a smooth circle. It gets called not too frequent by default and so I get an edgy circle. Is there a way to tweek the frequency of touchesMoved calls?
Thanks
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I have a UIScrollView with only horizontal scrolling allowed, and I would like to know which direction (left, right) the user scrolls. What I did was to subclass the UIScrollView and override the touchesMoved method:
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
[super…
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I have a UIScrollView that I use to display PDF pages in.
I don't want to use paging (yet). I want to display content based on touchesmoved event (so after horizontal swipe).
This works (sort of), but instead of catching a single swipe and showing 1 page, the swipe seems to gets broken into 100s…
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this may sound funny, but i spent hours trying to recreate a knob with a realistic rotation using UIView and some trig. I achieved the goal, but now i can not figure out how to know if the knob is rotating left or right. The most pertinent part of the math is here:
- (void)touchesMoved:(NSSet *)touches…
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