【推荐】iOS带有加载网络图片进度的UIImageView

　　UCZProgressView 是一个带有通用的圆形图片进度下载控件。动画效果不错

　　特性

• Customizable indicator (line width, radius, and color)
• Display a label with the current progress.
• Customizable progress text label (color, size and font)
• Customizable background view (blur style)
• Fully support interface builder (IB_DESIGNABLE and IBInspectable)
• Fully support UI_APPEARANCE_SELECTOR

　　

　　

　　用法

self.progressView = [[UCZProgressView alloc] initWithFrame:self.view.bounds];
self.progressView.translatesAutoresizingMaskIntoConstraints = NO;
[self.view addSubview:self.progressView];

NSDictionary *views = NSDictionaryOfVariableBindings(_progressView);
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|-0-[_progressView]-0-|" options:0 metrics:nil views:views]];
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-0-[_progressView]-0-|" options:0 metrics:nil views:views]];

Show indeterminate state (default value is YES)

self.progressView.indeterminate = YES;

Show progress

self.progressView.progress = 0.7;

Show indicator text label

self.progressView.showsText = YES;

Indicator and indicator text color

self.progressView.showsText = YES;
self.progressView.tintColor = [UIColor blueColor];

Text color

self.progressView.showsText = YES;
self.progressView.tintColor = [UIColor blueColor];
self.progressView.textColor = [UIColor redColor];

Radius

self.progressView.radius = 40.0;

Line width

self.progressView.lineWidth = 6.0;

Blur background view

self.progressView.blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleExtraLight];

Animation did stop block

 progressView.animationDidStopBlock = ^{
    [self presentViewController:_photoGallery animated:YES completion:nil];
};

代码库下载