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In most cases, either because we are used or because we have seen in tutorials and in some text to setAnimationDidStopSelector like this: PLAIN TEXT Objective-C: [UIView beginAnimations: nil context: NULL], [UIView setAnimationDuration: 1.5 ] [UIView setAnimationCurve: UIViewAnimationCurveEaseInOut] [UIView setAnimationDelegate: self], [UIView setAnimationDidStopSelector: @ selector (removeView)]; myView.alpha = 0; [UIView commitAnimations] / / - (void) (removeView [MyView removeFromSuperview] ;) The code above sets the setAnimationDelegate self as delegate and through [...]

In this last period I worked on three applications for Apple iPhone, almost simultaneously. Two have already been approved and are on Apple App Store: TheFirst and iMakeLove. Both applications have adopted the use of an object UIWebView to view the instructions. The object is UIWebView ELEVANCE really comfortable here. [...]

After explaining how to locate our strings in Xcode, as we see now is simple - using the same technique - locate images / views / interfaces built with Interface Builder. Locate graphics resources process, as mentioned, is the same, if we have a ' image already included in our resources, or places a new, and we want to "locate" - that is [...]

Create your own protocol may be useful in a host of cases

Perhaps I should have written "Very very very, short snippets," but it is an excellent and convenient "trick" that I am about to show. Doing the "two" lines of code shown below, you can get the output of any URL and manipulate it. PLAIN TEXT Objective-C: NSString * url = [NSString stringWithFormat: @ "http://www.appleside.it/ "]; NSString * result = [NSString stringWithContentsOfURL: [NSURL URLWithString: url] [...]

Execute a method in n seconds performSelector The whole family is really interesting and may be useful in a multitude of cases. Its application simplest and most common is this: PLAIN TEXT Objective-C: [self performSelector: @ selector (myMethod) withObject: nil afterDelay: 3] / / - (void) (myMethod NSLog (@ "Hello World!" );) however, that the "timer" is not precise. This procedure, therefore, must be used when there is [...]

I would like to show and discuss some examples on how to add and manipulate properties in a Class Objective-C. A classic example, precisely, is as follows: in the definition of our interface class defines two properties name: PLAIN TEXT Objective-C: / / MyClass.h <Foundation/Foundation.h> # import @ interface MyClass : NSObject (NSString * name; NSString * name;) @ property (retain) NSString * name; @ property (retain) NSString [...]

Our website is now shown only from worldwide PC. With the spread of mobile, thanks mostly to Apple's iPhone, access to the site or blog is increasingly being made from mobile devices of various kinds. Become a Web Developer so many need to be able to intercept and identify the different "agents", that means [...]

States UIControlStateSelected or UIControlStateHighlighted not work when a UIButton is set to work UIButtonTypeCustom! Or rather, do not work (because reserved for other types of buttons), for example to create a button in two states: toggle note. If we have created two images (stato1.png and stato2.png) for our button, we can proceed in this [...]

An alternative that easy to run a stream a mp3 file on the Apple iPhone could be: PLAIN TEXT Objective-C: / / Use AVFoundation Framework and the header file (. H) are added / / # import <AVFoundation / AVFoundation.h > / / In our implementation / / insert the url of the mp3 file NSString * soundFilePath = @ "http://www.server.com/test.mp3" NSURL * fileURL = [NSURL URLWithString: soundFilePath]; NSURLRequest * request = [NSURLRequest requestWithURL: fileURL]; NSData * DataRaw = [NSURLConnection sendSynchronousRequest: request returningResponse: nil error: nil]; AVAudioPlayer [...]