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2014/10/15 ¤U¤È 10:13:47

iphone Programming Glossary: self.center

Dragging an UIView inside UIScrollView

http://stackoverflow.com/questions/1481826/dragging-an-uiview-inside-uiscrollview

touches withEvent UIEvent event UITouch touch touches anyObject CGPoint location touch locationInView self.superview self.center location This works but not fully correct the tile sometimes falls down during the drag process. More precisely it stops..

Car (Annotation) animation (like uber app) not working

http://stackoverflow.com/questions/19268080/car-annotation-animation-like-uber-app-not-working

animation CABasicAnimation animationWithKeyPath @ position animation.fromValue NSValue valueWithCGPoint self.center animation.toValue NSValue valueWithCGPoint toPos animation.duration 1.0 animation.delegate self animation.fillMode kCAFillModeForwards.. self.layer addAnimation animation forKey POSITIONKEY NSLog @ setPosition ANIMATED x from f f to f f self self.center.x self.center.y toPos.x toPos.y self.center toPos previousPoint mapPoint My goal is to move car same like in uber app. .. self.layer addAnimation animation forKey POSITIONKEY NSLog @ setPosition ANIMATED x from f f to f f self self.center.x self.center.y toPos.x toPos.y self.center toPos previousPoint mapPoint My goal is to move car same like in uber app. iphone ios objective..

Changing my CALayer's anchorPoint moves the view

http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view

I want to alter the anchorPoint but keep the view in the same place. I've tried NSLog ing self.layer.position and self.center and they both stay the same regardless of changes to the anchorPoint. Yet my view moves Any tips on how to do this self.layer.anchorPoint..

How to add a UIButton at runtime

http://stackoverflow.com/questions/307845/how-to-add-a-uibutton-at-runtime

btn addTarget self action @selector buttonClick forControlEvents UIControlEventTouchUpInside btn.center self.center self addSubview btn return self iphone cocoa touch share improve this question First make sure the initWithFrame method..

MKMapView ignores update of centerOffset in iOS 4

http://stackoverflow.com/questions/3136505/mkmapview-ignores-update-of-centeroffset-in-ios-4

the top left corner with the unselected view so you need to realign their centers. Here's my case Selected Unselected self.center CGPointMake self.center.x 56.0 self.center.y 130.0 self.centerOffset CGPointMake 5.0 14.0 Unselected Selected self.center.. the unselected view so you need to realign their centers. Here's my case Selected Unselected self.center CGPointMake self.center.x 56.0 self.center.y 130.0 self.centerOffset CGPointMake 5.0 14.0 Unselected Selected self.center CGPointMake self.center.x.. so you need to realign their centers. Here's my case Selected Unselected self.center CGPointMake self.center.x 56.0 self.center.y 130.0 self.centerOffset CGPointMake 5.0 14.0 Unselected Selected self.center CGPointMake self.center.x 56.0 self.center.y..

Why is my EAGLVIew not rendering anymore in iOS 4.2?

http://stackoverflow.com/questions/4270320/why-is-my-eaglview-not-rendering-anymore-in-ios-4-2

this it is a little UIVIew calling this method void animateToGrow DNSLog @ grow grow YES oldFrame self.frame oldCenter self.center UIView beginAnimations @ MoveAndStrech context nil UIView setAnimationDuration 0.5 UIView setAnimationBeginsFromCurrentState.. UIView setAnimationDuration 0.5 UIView setAnimationBeginsFromCurrentState YES self.frame CGRectMake 0 0 WIDTH HEIGHT self.center CGPointMake CENTER_X CENTER_Y UIView commitAnimations self setupGLPerspectiveNear 0.1 far 1000 and magically the model appears..

Setting anchor point for UIView layer

http://stackoverflow.com/questions/4822457/setting-anchor-point-for-uiview-layer

that I want to be able to move around within it's superview. When the user touches the UIView somewhere outside self.center but within self.bounds it jumps because I add the new location to self.center to achieve the actual move. To avoid this.. touches the UIView somewhere outside self.center but within self.bounds it jumps because I add the new location to self.center to achieve the actual move. To avoid this behavior I'm trying to set an anchor point that lets the user grab and drag the.. self.bounds.size.height Does work self.layer.anchorPoint CGPointMake 0.01 0.0181818 Move to new location self.center locationInSuperview iphone objective c uiview share improve this question As Kris Van Bael pointed out your going to..

iPhone drag/drop

http://stackoverflow.com/questions/979555/iphone-drag-drop

NSSet touches withEvent UIEvent event UITouch touch touches anyObject CGPoint location touch locationInView self self.center location This code has the result of a the touched UIView flickering while it follows the touch around. After playing around..