2014/10/15 下午 10:13:51

iphone Programming Glossary: sender.state

http://stackoverflow.com/questions/12704984/warning-about-window-hierarchy

1 self.view addGestureRecognizer tapGesture void handleTapGesture UITapGestureRecognizer sender if sender.state UIGestureRecognizerStateEnded UIImageView loadingView UIImageView alloc initWithFrame CGRectMake 0 0 1024 768 loadingView.image..

Iphone SDK dismissing Modal ViewControllers on ipad by clicking outside of it

http://stackoverflow.com/questions/2623417/iphone-sdk-dismissing-modal-viewcontrollers-on-ipad-by-clicking-outside-of-it

recognizer recognizer release The handling code void handleTapBehind UITapGestureRecognizer sender if sender.state UIGestureRecognizerStateEnded CGPoint location sender locationInView nil Passing nil gives us coordinates in the window..

How can I use pinch zoom(UIPinchGestureRecognizer) to change width of a UITextView?

http://stackoverflow.com/questions/2691369/how-can-i-use-pinch-zoomuipinchgesturerecognizer-to-change-width-of-a-uitextvi

UIView IBAction handlePinchGesture UIGestureRecognizer sender static CGRect initialBounds UIView _view sender.view if sender.state UIGestureRecognizerStateBegan initialBounds _view.bounds CGFloat factor UIPinchGestureRecognizer sender scale CGAffineTransform..

UILongPressGestureRecognizer gets called twice when pressing down

http://stackoverflow.com/questions/3319591/uilongpressgesturerecognizer-gets-called-twice-when-pressing-down

fingers are lifted. Now You Can Track The State Like This void handleLongPress UILongPressGestureRecognizer sender if sender.state UIGestureRecognizerStateEnded NSLog @ UIGestureRecognizerStateEnded Do Whatever You want on End of Gesture else if sender.state.. UIGestureRecognizerStateEnded NSLog @ UIGestureRecognizerStateEnded Do Whatever You want on End of Gesture else if sender.state UIGestureRecognizerStateBegan NSLog @ UIGestureRecognizerStateBegan. Do Whatever You want on Began of Gesture share improve..

UIImageView Gestures (Zoom, Rotate) Question

http://stackoverflow.com/questions/3448614/uiimageview-gestures-zoom-rotate-question

1 else zooming out sender.view.transform CGAffineTransformMakeScale lastScaleFactor factor lastScaleFactor factor if sender.state UIGestureRecognizerStateEnded if factor 1 lastScaleFactor factor 1 else lastScaleFactor factor handle rotate gesture IBAction.. CGAffineTransform transform CGAffineTransformMakeRotation rotation netRotation sender.view.transform transform if sender.state UIGestureRecognizerStateEnded netRotation rotation Thanks iphone uiimageview zoom rotation pinch share improve this..

UISwipeGestureRecognizer Swipe length

http://stackoverflow.com/questions/4828833/uiswipegesturerecognizer-swipe-length

point of the pan and if the pan has ended calculate the distance. void panGesture UIPanGestureRecognizer sender if sender.state UIGestureRecognizerStateBegan startLocation sender locationInView self.view else if sender.state UIGestureRecognizerStateEnded.. sender if sender.state UIGestureRecognizerStateBegan startLocation sender locationInView self.view else if sender.state UIGestureRecognizerStateEnded CGPoint stopLocation sender locationInView self.view CGFloat dx stopLocation.x startLocation.x..

UIPinchGestureRecognizer for zooming and panning an image in xcode

http://stackoverflow.com/questions/9954582/uipinchgesturerecognizer-for-zooming-and-panning-an-image-in-xcode

sender NSLog @ latscale f mLastScale mCurrentScale sender scale mLastScale mLastScale sender scale if sender.state UIGestureRecognizerStateEnded mLastScale 1.0 CGAffineTransform currentTransform CGAffineTransformIdentity CGAffineTransform..