Archive August 2010

Objective-C: obtain information from Latitude and Longitude

I answer to Mirko asking me how to make the opposite case proposed in Getting Latitude and Longitude in Objective-C .
Starting from the values ​​of Latitude and Longitude you can use the class MKReverseGeocoder to obtain a range of information, such as: city, state, address in full, chap!

More ...

UIWebView to intercept the opening of a Link

The object UIWebView component is a very useful and versatile, ideal for solving many problems. Not only is perfect to display an HTML page on the net, but you can use it for other useful purposes such as:

  • Quickly display PDF documents
  • View videos or pictures
  • Display content HTML / CSS Local
  • Fake content in the prototype phase ...

More ...

UIImage: useful snippets

, sono molto utilizzati nello sviluppo di applicazioni per Apple iPhone. The object UIImage , along with UIImageView , are widely used in developing applications for Apple iPhone. Here is some useful code-snippets to make a series of processing common:

Combine two (or more) images

1
2
3
4
5
6
7
8
9
10
11
12
UIImage * ) combineImage : ( UIImage * ) imageA imageB : ( UIImage * ) imageB { - (UIImage *) combineImage: (UIImage *) imageA imageB: (UIImage *) {imageB
; UIGraphicsBeginImageContext (imageA.size);

CGRectMake ( 0 , 0 , imageA.size.width, imageA.size.height ) ] ; [ImageA drawInRect: CGRectMake (0, 0, imageA.size.width, imageA.size.height)];
CGRectMake ( 0 , 0 , imageB.size.width, imageB.size.height ) ] ; [ImageB drawInRect: CGRectMake (0, 0, imageB.size.width, imageB.size.height)];

UIGraphicsGetImageFromCurrentImageContext ( ) ; UIImage * combinatedImage UIGraphicsGetImageFromCurrentImageContext = ();

UIGraphicsEndImageContext ();

combinatedImage return;
}

More ...

Very short snippet: Remove scroll from a UIWebView object

Documented or undocumented, a feature, sometimes, one is forced to implement by force! Useful in some circumstances, is to remove the scroll from an object UIWebView . : Interestingly, in general, see how you can access the components 'internal' part of the object in question: in this example retrieves the object pointer UIScrollView this object UIWebView :

More ...


Stop SOPA