How to get the count of array of images

i m parsing a json feed .using async image download I m downloading images (around 18 images) and storing it in UIImage.how to get the count of the images so that i can iterate in a loop.below is the 开发者_如何学JAVAcode

- (void)webImageManager:(SDWebImageManager *)imageManager didFinishWithImage:(UIImage    *)image
{   UIImage *boom=image;
//download the image and storing it in UIImage

}

In your delegate callback you should be adding the processed element to an NSMutableArray. Something like this:

// MainViewController.h
...
{
  NSMutableArray *synced;
}

@property (nonatomic, retain) NSMutableArray *synced;

And:

// MainViewController.m

@synthesize synced;

...

- (void)viewDidLoad
{
  [super viewDidLoad];
  self.synced = [NSMutableArray array];
}


- (void)webImageManager:(SDWebImageManager *)imageManager didFinishWithImage:(UIImage    *)image
{   
  [self.synced addObject:image];
  self.syncedLabel.text = [NSString stringWithFormat:@"%i images", [self.synced count]];
}