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Objective C - 4 - 下载图片并且加载到View

时间:2014-05-30 20:29:18      阅读:500      评论:0      收藏:0      [点我收藏+]
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#import "LoadInternetImageViewController.h"
 
@interface LoadInternetImageViewController ()
@property (weak, nonatomic) IBOutlet UIImageView *imageView;
 
@end
 
@implementation LoadInternetImageViewController
 
 
- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
     
    [self loadImage];
}
 
- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
 
- (void)loadImage
{
 
    UIImage *downloadedImage = [self downloadImage:imageUrlString];
     
    if(downloadedImage)
    {
        NSLog(@"Setting downloaded image to imageView.");
//        self.imageView.contentMode = UIViewContentModeScaleAspectFit;
        self.imageView.image = downloadedImage;
    }
    else
    {
        NSLog(@"Unable to find downloaded image.");
    }
}
 
-(UIImage *)downloadImage:(NSString *)imageUrlString
{
    NSData *imageStream = [NSData dataWithContentsOfURL:[NSURL URLWithString:imageUrlString]];
     
    if (imageStream) {
     
        return [UIImage imageWithData:imageStream];
         
    }
     
    return nil;
}
 
@end

  

Objective C - 4 - 下载图片并且加载到View,布布扣,bubuko.com

Objective C - 4 - 下载图片并且加载到View

原文:http://www.cnblogs.com/sskset/p/3760154.html

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