一个有渐变动画效果的 loading 附带一个GCD定时器
[TCLoadingView setLineWide:1.0f];
[TCLoadingView setStartColor:[UIColor redColor]];
[TCLoadingView setEndColor:[UIColor yellowColor]];
[TCLoadingView setAnimationDuration:0.5f];
[TCLoadingView showWithView:self.view];
或者
[TCLoadingView showloadWithFrame:CGRectMake(100, 100, 100, 100)
lineWide:6.0f
startColor:[UIColor blueColor]
endColor:[UIColor whiteColor]
duration:1.0f
view:self.view];