• Core Image Tutorial in Swift

    It allows developers to filter images in their apps. Advantages Core Image supplies 90+ filters. Powerful image filtering capabilities Core Image includes APIs for face detection Automatic image enhancements Custom effects through “chained” filters. You can get all kinds of […]

     
  • Advantages of NSURLSession over NSURLConnection in iOS and Sample Demo Code

    In an application we usually works with Data tasks – Data tasks are used for requesting data from a server, such as JSON data. These data are usually stored in memory and never touches the File System We can use […]

     
  • How to download an image from a URL in Objective C iPhone?

    This method downloads the image from the specified URL and stores in the documents directory and then shown in an ImageView. Make sure you have an imageview linked with the outlet in the UserInterface. Please leave your comments if you […]

     
  • How to animate a series of images in iphone? A simple Example.

    The following code shows animation of 5 images. -(void)viewDidLoad { NSArray *images = [NSArray arrayWithObjects: [UIImage imageNamed:@”pic1.jpeg”], [UIImage imageNamed:@”pic2.jpeg”], [UIImage imageNamed:@”pic3.jpg”], [UIImage imageNamed:@”pic4.jpeg”], [UIImage imageNamed:@”pic5.jpeg”], nil]; CGRect frame = CGRectMake(0,0,320,460); UIImageView *imageView = [[UIImageView alloc] initWithFrame:frame]; imageView.animationImages = images; imageView.contentMode […]

     
 

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