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2014/10/15 ¤U¤È 10:12:20
iphone Programming Glossary: offset.yiPhone - How do you make a resizable rectangle for cropping images? http://stackoverflow.com/questions/1971542/iphone-how-do-you-make-a-resizable-rectangle-for-cropping-images code if self.image nil return CGPoint offset scrollView.contentOffset clipRect CGRectOffset self.frame offset.x offset.y UIImage croppedImage image croppedImage clipRect CGContextRef ctx UIGraphicsGetCurrentContext croppedImage drawAtPoint CGPointMake..
How can I programmatically force-stop scrolling in a UIScrollView? http://stackoverflow.com/questions/3410777/how-can-i-programmatically-force-stop-scrolling-in-a-uiscrollview solution for any scrolling action is this void killScroll CGPoint offset scrollView.contentOffset offset.x 1.0 offset.y 1.0 scrollView setContentOffset offset animated NO offset.x 1.0 offset.y 1.0 scrollView setContentOffset offset animated.. offset scrollView.contentOffset offset.x 1.0 offset.y 1.0 scrollView setContentOffset offset animated NO offset.x 1.0 offset.y 1.0 scrollView setContentOffset offset animated NO Edit As of iOS 4.3 and possibly earlier this also appears to work void..
Keep uitableview static when inserting rows at the top http://stackoverflow.com/questions/4279730/keep-uitableview-static-when-inserting-rows-at-the-top self.contentSize CGSizeZero if contentSize.height self.contentSize.height CGPoint offset self.contentOffset offset.y contentSize.height self.contentSize.height self.contentOffset offset super setContentSize contentSize @end share improve..
how do I calculate heightForRowAtIndexPath when the cell is not even constructed yet? http://stackoverflow.com/questions/5294356/how-do-i-calculate-heightforrowatindexpath-when-the-cell-is-not-even-constructed
Unwanted scrolling when animating zoomScale in UIScrollView http://stackoverflow.com/questions/7301744/unwanted-scrolling-when-animating-zoomscale-in-uiscrollview
How to build parallax scroll on an iOS device http://stackoverflow.com/questions/9592788/how-to-build-parallax-scroll-on-an-ios-device offset by changing some css properties of your parallax elements parallaxElement.css 'transform' 'translate offset.x offset.y 0.8 ' anotherParallaxElement.css 'transform' 'translate offset.x offset.y 0.1 ' scrollView.setDelegate controller This delegate.. 'transform' 'translate offset.x offset.y 0.8 ' anotherParallaxElement.css 'transform' 'translate offset.x offset.y 0.1 ' scrollView.setDelegate controller This delegate pattern is heavily influenced by UIKit as I feel it provides a cleaner..
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