uitouch

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Objects on screen start blinking when dragging objects

I have an object that the user can drag around the screen in my app. But for some reason, when they start to drag it over another UIView, the items on screen start blinking. So part of the CAGradientL[详细]

2023-02-28 01:56 分类：问答
Applying speed and number of rotations for CABasicAnimation

I am trying to mimic the rotation of the bottle in Spin the Coke app and pie-chart in the RoambieApp. . I wanted to rotate a view as per the touches and swipes of the user on that view.[详细]

2023-02-26 09:47 分类：问答
Nested UITableViews: a way to scroll both the outer vertical UITableView and a child horizontal UITableView at the same time?

When you\'re working with an atypical nested UITableViews setup - where you have an outer vertical UITableView that hosts 90° rotated UITableViews (see: Looking for a UI library to present Data horiz[详细]

2023-02-24 06:00 分类：问答
Touch Event on image , achieved by using UIButton but show up delayed compare to UIImageView

Sorry for the messy title, I just don\'t know how to describe the problem in a delicate way. I\'m writing a album-like app to display a bunch of image in my scrollview and do something when a image i[详细]

2023-02-21 18:52 分类：问答
Limiting CGAffineTransform Scale

I am transforming a view with CGAffineTransformMake. It rotates, scales and translates. This works just fine. But I cannot figure out a way to limit the scale to a maximum size.[详细]

2023-02-18 21:02 分类：问答
how to make margin

in my app i want to move objects (from touch using the code below) inside the red rectangle how to make this[详细]

2023-02-18 15:47 分类：问答
Detecting Touch On UIView

Hello All I drawn Pie Chart on a UIView using CGContext of 10 Arcs (pieces or slice). But When I touch on the 1st arc and last arcof this piechart i dont get touch point from them..开发者_JAVA技巧.r[详细]

2023-02-18 11:12 分类：问答
Smooth rotation of UIView with touch

I\'m wondering how to smooth a UITouch in my code. I am able to detect the UItouch on my UIView, but when I try to rotate the view using CGAffineTransform, it does not rotate smoothly. I have to press[详细]

2023-02-17 11:58 分类：问答
UIButton crashes on uitouch event

I have a UIButton which sends the draginside event to: -(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {[详细]

2023-02-16 01:50 分类：问答
how identify touch in a particular view

How to get touch on a particular view. I am using CGPoint Location = [[touches anyObject] locationInView:s开发者_StackOverflowelf.view ];[详细]

2023-02-14 23:32 分类：问答