vladimir-kit

UIKit+AFNetworking

#import "UIImageView+AFNetworking.h"

    /** Запускаете индикатор активности. */
    [[self activitiIndicator] startAnimating];

    NSURLRequest *request = [[NSURLRequest alloc] initWithURL:[NSURL URLWithString:@"http://"]];
    [[self imageView] setImageWithURLRequest:request placeholderImage:nil success:^(NSURLRequest *request, NSHTTPURLResponse *response, UIImage *image) {
        [[self imageView] setImage:image];
        /** Останавливаете индикатор активности. */
        [[self activitiIndicator] stopAnimating];
        
    } failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error) {
      /** Если возникла ошибка при загрузке. */
    }];