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2014/10/15 ¤U¤È 10:14:18
iphone Programming Glossary: someviewHow can I enforce an specific direction (i.e. clockwise) of rotation in Core Animation? http://stackoverflow.com/questions/1149635/how-can-i-enforce-an-specific-direction-i-e-clockwise-of-rotation-in-core-ani iphone cocoa touch uikit core animation share improve this question The following snippet rotates a view called someView by using key framed animation. The animation consists of 3 frames spread over 1 second with the view rotated to 0º 180º.. with the view rotated to 0º 180º and 360º in the first second and last frames respectively. Code follows CALayer layer someView.layer CAKeyframeAnimation animation animation CAKeyframeAnimation animationWithKeyPath @ transform.rotation.z animation.duration.. you should use negative values. For a slightly more basic animation you can use CABasicAnimation CALayer layer someView.layer CABasicAnimation animation animation CABasicAnimation animationWithKeyPath @ transform.rotation.z animation.fromValue..
Just how to you use TTStyledTextLabel? http://stackoverflow.com/questions/1172070/just-how-to-you-use-ttstyledtextlabel @ This should a href custom uri some url work a label.text TTStyledText textFromXHTML labelText lineBreaks NO URLs YES someView addSubview label You can then use TTNavigator and TTURLMap to map custom uri some url to a particular controller in your..
How to Use UIView transitionWithView? http://stackoverflow.com/questions/12144929/how-to-use-uiview-transitionwithview be done using UIView transitionWithView iphone share improve this question Consider your view to be animated as someView. Initial frame of someView be bottomRect i.e. bottom of the view. final position be topRect. set initial frame someView... iphone share improve this question Consider your view to be animated as someView. Initial frame of someView be bottomRect i.e. bottom of the view. final position be topRect. set initial frame someView. frame bottomRect initially.. Initial frame of someView be bottomRect i.e. bottom of the view. final position be topRect. set initial frame someView. frame bottomRect initially it will be completely transparent SomeView. alpha 0.0 animationTime is time to complete animation..
Save UIView's representation to file http://stackoverflow.com/questions/3051630/save-uiviews-representation-to-file to file What is the easiest way to save UIView's representation to file My solution is UIGraphicsBeginImageContext someView.frame.size someView drawRect someView.frame UIImage image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext.. the easiest way to save UIView's representation to file My solution is UIGraphicsBeginImageContext someView.frame.size someView drawRect someView.frame UIImage image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext NSString pathToCreate.. save UIView's representation to file My solution is UIGraphicsBeginImageContext someView.frame.size someView drawRect someView.frame UIImage image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext NSString pathToCreate @ sample.png..
Android's viewDidLoad and viewDidAppear equivalent http://stackoverflow.com/questions/3513420/androids-viewdidload-and-viewdidappear-equivalent first access to the view hierarchy. Here is a sample of how you can use the ViewTreeObserver to achieve this. View someView findViewById R.id.someView final ViewTreeObserver obs someView.getViewTreeObserver obs.addOnPreDrawListener new OnPreDrawListener.. hierarchy. Here is a sample of how you can use the ViewTreeObserver to achieve this. View someView findViewById R.id.someView final ViewTreeObserver obs someView.getViewTreeObserver obs.addOnPreDrawListener new OnPreDrawListener public boolean onPreDraw.. you can use the ViewTreeObserver to achieve this. View someView findViewById R.id.someView final ViewTreeObserver obs someView.getViewTreeObserver obs.addOnPreDrawListener new OnPreDrawListener public boolean onPreDraw obs.removeOnPreDrawListener..
resizing a UITableViewCell frame issue http://stackoverflow.com/questions/5996775/resizing-a-uitableviewcell-frame-issue i UIView thisSubview thisCell.contentView.subviews objectAtIndex i thisSubview removeFromSuperview else UIView someView UIView alloc initWithFrame someFrame thisCell.contentView addSubview someView someView release subviewAdded YES NSMutableArray.. removeFromSuperview else UIView someView UIView alloc initWithFrame someFrame thisCell.contentView addSubview someView someView release subviewAdded YES NSMutableArray array NSMutableArray array array addObject indexPath tableView reloadRowsAtIndexPaths.. else UIView someView UIView alloc initWithFrame someFrame thisCell.contentView addSubview someView someView release subviewAdded YES NSMutableArray array NSMutableArray array array addObject indexPath tableView reloadRowsAtIndexPaths..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown methodForSelector selector CGRect func id SEL CGRect UIView void imp CGRect result func _controller selector someRect someView Reasoning for Warning The reason for this warning is that with ARC the runtime needs to know what to do with the result..
http://stackoverflow.com/questions/8302593/iphone-open-in-in-sdk interactionControllerWithURL someFileURL Then you can present it controller presentOpenInMenuFromRect someRect inView someView animated YES Note that on iPad you'll need to retain the controller otherwise it will be deallocated making your application..
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