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2014/10/15 ¤U¤È 10:14:44
iphone Programming Glossary: tapcountHow can I detect a double tap on a certain cell in UITableView? http://stackoverflow.com/questions/1031254/how-can-i-detect-a-double-tap-on-a-certain-cell-in-uitableview void tableView UITableView tableView didSelectRowAtIndexPath NSIndexPath indexPath checking for double taps here if tapCount 1 tapTimer nil tappedRow indexPath.row double tap Put your double tap code here tapTimer invalidate self setTapTimer nil.. double tapped the row delegate self cancelButtonTitle nil otherButtonTitles @ OK nil alert show alert release else if tapCount 0 This is the first tap. If there is no tap till tapTimer is fired it is a single tap tapCount tapCount 1 tappedRow indexPath.row.. alert release else if tapCount 0 This is the first tap. If there is no tap till tapTimer is fired it is a single tap tapCount tapCount 1 tappedRow indexPath.row self setTapTimer NSTimer scheduledTimerWithTimeInterval 0.2 target self selector @selector..
How to erase finger paint on Custom UIView in iPhone http://stackoverflow.com/questions/11132546/how-to-erase-finger-paint-on-custom-uiview-in-iphone void touchesBegan NSSet touches withEvent UIEvent event UITouch touch touches anyObject NSLog @ Touch Began d touch tapCount if touch tapCount 1 NSLog @ Paint Start path CGPathCreateMutable previousPoint lastPoint self setNeedsDisplay self.backgroundColor.. NSSet touches withEvent UIEvent event UITouch touch touches anyObject NSLog @ Touch Began d touch tapCount if touch tapCount 1 NSLog @ Paint Start path CGPathCreateMutable previousPoint lastPoint self setNeedsDisplay self.backgroundColor UIColor..
What's the trick to pass an event to the next responder in the responder chain? http://stackoverflow.com/questions/1207287/whats-the-trick-to-pass-an-event-to-the-next-responder-in-the-responder-chain works void touchesBegan NSSet touches withEvent UIEvent event UITouch touch touches anyObject NSUInteger numTaps touch tapCount if numTaps 2 self.nextResponder touchesBegan touches withEvent event else self handleDoubleTap touch I have a View Controller...
Observing pinch multi-touch gestures in a UITableView http://stackoverflow.com/questions/2003201/observing-pinch-multi-touch-gestures-in-a-uitableview event allTouches UITouch oneTouch touches anyObject UIView touchView oneTouch view NSLog @ tap count d oneTouch tapCount check for taps on the web view which really end up being dispatched to a scroll view if touchView touchView isDescendantOfView.. a scroll view if touchView touchView isDescendantOfView webView touches oneTouch.phase UITouchPhaseBegan if oneTouch tapCount 2 self toggleScreenDecorations return YES return NO Related info here http iphoneincubator.com blog windows views 360idev..
http://stackoverflow.com/questions/2135744/iphone-uiimageview-pinch-zoom void touchesEnded NSSet touches withEvent UIEvent event if zooming NSLog @ end zoom zooming NO if touches anyObject tapCount 2 UITouch thisTouch touches anyObject CGPoint thisPoint thisTouch locationInView self void touchesMoved NSSet touches withEvent..
http://stackoverflow.com/questions/2926914/navigation-bar-show-hide by measuring the time between two consecutive taps perhaps with timeIntervalSinceDate . Or test the result from touch tapCount . If you get two taps your subclassed view issues an NSNotification that your view controller has registered to listen for...
http://stackoverflow.com/questions/4109582/double-touch-on-uibutton Add an target action for the control event UIControlEventTouchDownRepeat and do action only when the touch's tapCount is 2. button addTarget self action @selector multipleTap withEvent forControlEvents UIControlEventTouchDownRepeat ... IBAction.. ... IBAction multipleTap id sender withEvent UIEvent event UITouch touch event allTouches anyObject if touch.tapCount 2 do action. As @Gavin commented double tap on a button is an unusual gesture. On the iPhone OS double tap is mostly used..
http://stackoverflow.com/questions/4132877/iphone-signature-capture touches withEvent UIEvent event mouseSwiped NO UITouch touch touches anyObject Clear Signature on Double Tap if touch tapCount 2 signatureImageView.image nil return lastPoint touch locationInView signatureImageView void touchesMoved NSSet touches.. NSSet touches withEvent UIEvent event UITouch touch touches anyObject Clear Signature on Double Tap if touch tapCount 2 signatureImageView.image nil return if mouseSwiped UIGraphicsBeginImageContext signatureImageView.frame.size signatureImageView.image..
Is there an SDK to draw lines on iOS with touch? http://stackoverflow.com/questions/6774352/is-there-an-sdk-to-draw-lines-on-ios-with-touch self void touchesBegan NSSet touches withEvent UIEvent event mouseSwiped NO UITouch touch touches anyObject if touch tapCount 2 drawImage.image nil return lastPoint touch locationInView self lastPoint.y 20 NSLog @ touches begin void touchesMoved.. 10 mouseMoved 0 void touchesEnded NSSet touches withEvent UIEvent event UITouch touch touches anyObject if touch tapCount 2 drawImage.image nil return if mouseSwiped UIGraphicsBeginImageContext self.bounds.size drawImage.image drawInRect CGRectMake..
how to create an application which allows user to free hand drawing? [closed] http://stackoverflow.com/questions/8207913/how-to-create-an-application-which-allows-user-to-free-hand-drawing void touchesBegan NSSet touches withEvent UIEvent event mouseSwiped NO UITouch touch touches anyObject if touch tapCount 2 drawImage setImage UIImage imageWithContentsOfFile NSBundle mainBundle pathForResource @ white ofType @ png return lastPoint..
draw line between two points in iphone? http://stackoverflow.com/questions/8208469/draw-line-between-two-points-in-iphone UIEvent event void touchesEnded NSSet touches withEvent UIEvent event UITouch touch touches anyObject if touch tapCount 2 imageView.image nil return if mouseSwiped UIGraphicsBeginImageContext self.view.frame.size imageView.image drawInRect.. work void touchesBegan NSSet touches withEvent UIEvent event mouseSwiped NO UITouch touch touches anyObject if touch tapCount 2 drawImage setImage UIImage imageWithContentsOfFile NSBundle mainBundle pathForResource @ white ofType @ png return lastPoint..
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