1、UIActivityIndicatorView
HUD 指示器
UIActivityIndicatorView * indicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
//暂停时隐藏
indicatorView.hidesWhenStopped = YES;
indicatorView.center = self.view.center;
//设置风火轮的颜色
indicatorView.color = [UIColor redColor];
- (IBAction)startActity:(id)sender {
//开始动画
[self.indicatorView startAnimating];
}
- (IBAction)stopActity:(id)sender {
//结束动画
[self.indicatorView stopAnimating];
}