¡@
2014/10/15 ¤U¤È 10:15:05
iphone Programming Glossary: translatedpointHow to use UIPanGestureRecognizer to move object? iPhone/iPad http://stackoverflow.com/questions/6672677/how-to-use-uipangesturerecognizer-to-move-object-iphone-ipad panRecognizer release void move id sender self.view bringSubviewToFront UIPanGestureRecognizer sender view CGPoint translatedPoint UIPanGestureRecognizer sender translationInView self.view if UIPanGestureRecognizer sender state UIGestureRecognizerStateBegan.. sender state UIGestureRecognizerStateBegan firstX sender view center .x firstY sender view center .y translatedPoint CGPointMake firstX translatedPoint.x firstY sender view setCenter translatedPoint if UIPanGestureRecognizer sender state.. firstX sender view center .x firstY sender view center .y translatedPoint CGPointMake firstX translatedPoint.x firstY sender view setCenter translatedPoint if UIPanGestureRecognizer sender state UIGestureRecognizerStateEnded CGFloat..
How to stop UIPanGestureRecognizer when object moved to certain frame http://stackoverflow.com/questions/8078780/how-to-stop-uipangesturerecognizer-when-object-moved-to-certain-frame addGestureRecognizer panRecognizer void move UIPanGestureRecognizer gestureRecognizer CGPoint translatedPoint gestureRecognizer translationInView templatePhotoPlaceholderView if gestureRecognizer state UIGestureRecognizerStateBegan.. if gestureRecognizer state UIGestureRecognizerStateBegan _firstX imageview center .x _firstY imageview center .y translatedPoint CGPointMake _firstX translatedPoint.x _firstY translatedPoint.y NSLog @ Move center point @ NSStringFromCGPoint translatedPoint.. _firstX imageview center .x _firstY imageview center .y translatedPoint CGPointMake _firstX translatedPoint.x _firstY translatedPoint.y NSLog @ Move center point @ NSStringFromCGPoint translatedPoint imageview setCenter translatedPoint..
|