SDWebImageを使うと、簡単に画像を非同期でダウンロードできて、かつUIImageViewに設定することができます。 SDWebImage 参考 SDWebImageを初めて使う際の注意点 【iOS】SDWebImageでアプリ容量がどんどん増えていく件 ImageIO.frameworkとMapKit.frameworkの追加が必要です #import "UIImageView+WebCache.h" - (void)viewDidLoad { NSURL url = [NSURL URLWithString:@"http://hogehoge.com/hoge.png"]; [imageView setImageWithURL:url placeholderImage:nil options:SDWebImageCacheMemoryOnly]; } placeholderIma
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