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如何更改我的圖像顯示在UIImageview上的大小,我使用AFNETWORKING下載圖像,並且它適合UIImageView的大小。圖像比例AFnetworking
但我只想顯示圖像的一半,就像你看到的Facebook應用程序只有一部分圖像點擊圖像查看完整圖像。謝謝
UIImageView *posterImage = [[UIImageView alloc]init];
posterImage.frame = CGRectMake(index * showsScrollView.bounds.size.width + 50, 40, 225, 337);
[showsScrollView addSubview:posterImage];
// 6.5 - Asynchronously load the image
NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:posterUrl]];
[posterImage setImageWithURLRequest:request placeholderImage:[UIImage imageNamed:@"page.png"]
success:^(NSURLRequest *request, NSHTTPURLResponse *response, UIImage *image) {
[[AFNetworkActivityIndicatorManager sharedManager] decrementActivityCount];
} failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error) {
[[AFNetworkActivityIndicatorManager sharedManager] decrementActivityCount];
}];
[[AFNetworkActivityIndicatorManager sharedManager] incrementActivityCount];
謝謝。
我試圖在共享管理器中將isNetworkActivityIndicatorVisible設置爲yes,並且出現錯誤「賦值爲只讀屬性」? – minovsky
@minovsky我錯了。 'enabled'是正確的屬性。 – mattt
得到它的感謝! – minovsky