I am trying to do a very basic thing but I am new to this. Basically I have a screen with a 3 objects that can move around,
When creating a Draggable UIButton, the dragging events work as they should, however, I am unable to figure out why the UIControlEvents do not respond when the button is simply pressed and not dragged
how do I get the x/y co-ordinates of a UIView origin used within a UINavigationController? That is I have a UINavigationController iPhone app setup.I push a new view, call it CustomUIView, onto the s
I am working on an application in which I am adding the same image again and again on a button click on random positions and moving those images.
In my app I want to have the users tap on the left side of the screen to increase their speed and swipe on the right side to work a joystick. However, if the user keeps holding the left side, the joys
I\'m working on an important project at my job place, and having a problem which I\'m stack with: I have 2 views in a line (1 scroll view w开发者_开发技巧ith images, and the other is just a UIImageVi
I\'m writing an iPad application that needs to time the finger movement very precisely, so I am keen on getting the best performance and accuracy I can. I have two questions about this:
I want to get all the coordinates in touchesMoved. The problem I am facing is when you swipe fast on my view than touchesMoved is missing few coordinates from the swipe.
Why can I only see the \"y\" component of nowPoint changing, [\"x\" compone开发者_StackOverflow中文版nt is always \"0\"]??
Touchesmoved is not picking up the location of my cursor. I have this code: -(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
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