uitouch

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Use a UIScrollView with 3 touches not one

I wanted to know If there is some way I could use three touches with a UIScrollView. What I want in the end is to have the UIScrollView only be passed one UITouch (or at least think it it has only one[详细]

2022-12-19 05:15 分类：问答
Get all touches without UIEvent

I\'m looking for a way to get all the current touches even if no event has occurred. I know about [UIEvent allTouches] but I need to be able to see \"these are all the touches on the screen\" even if[详细]

2022-12-17 09:52 分类：问答
Is there any way at all that I can tell how hard the screen is being pressed

I want to find the pressure of the touch. I just don\'t know how to accomplish that result with out jailbreaking it and getting the raw touch data. Does anyone know How 开发者_运维知识库I would do thi[详细]

2022-12-16 20:38 分类：问答
What is the touches canceled event, and how is it different from touches ended

I just don\'t understand what apple means by the开发者_运维问答 touches canceled event and how is it called.I\'m not really sure Tim addressed your question so I\'ll take a shot at it.[详细]

2022-12-15 22:21 分类：问答
How do I access only one of my touches in my touches began event

I have: UITouch *touch = [touches anyObject]; if ([touches count] == 2) { //preforming actions } What I wa开发者_StackOverflow社区nt to do Is ask it inside of the ifstatement where the two touches[详细]

2022-12-14 21:20 分类：问答
Is there a way to retrieve every responder that has handled a UITouch?

I\'m trying to debug some touchesBegan/Moved/Ended related slowdown in my game; I think that some of my touch responders are not unloading properly, and so as the game runs on more and more of them st[详细]

2022-12-14 14:38 分类：问答
Creating a UITouch object

In my iPhone app I\'m overriding the touchesBegan:withEvent method in my view and what I want to do开发者_如何学JAVA is make some tweaks to the UITouch object found in the NSSet and send it to another[详细]

2022-12-14 10:01 分类：问答
How to tell if a subview was tapped twice

I have a UIImag开发者_Python百科eView that I allocated inside of a UIView. I want to double tap that subview using the TOUCHESENDED or TOUCHESBEGAN and send a callback or at least a log. I would appre[详细]

2022-12-13 20:58 分类：问答
UIControlEventTouch...?

I have a grid of images/buttons, and I want the user to be able to drag their finger over the images/buttons such that when their finger touches each image/butt开发者_Go百科on an event is called.[详细]

2022-12-09 00:31 分类：问答