LZProgressView

使用说明:

NSArray *colors = @[
                    [UIColor purpleColor],
                    [UIColor orangeColor],
                    [UIColor cyanColor],
                    [UIColor redColor],
                    [UIColor greenColor],
                    [UIColor blueColor],
                    [UIColor yellowColor]
                    ];
LZProgressView *progressView = [[LZProgressView alloc] initWithFrame:CGRectMake(0, 0, 26, 26) andLineWidth:3.0 andLineColor:colors];
progressView.center = self.view.center;
[self.view addSubview:progressView];