简单动画

1 // 加载旋转的菊花效果[UIActivityIndicatorView实现加载风火轮效果]
2 // 无需设置frame
3 UIActivityIndicatorView *indicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
4 indicatorView.center = self.view.center;
5 [self.view addSubview:indicatorView];
6 
7 // 将风火轮启动
8 [indicatorView startAnimating];

 1 // 创建显示图片的ImageView
 2     UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 100, 400, 200)];
 3     [self.view addSubview:imgView];
 4     // 创建一个存储图片的数组
 5     NSMutableArray *saveImageArray = [NSMutableArray array];
 6     for (int i = 1; i < 12; i++) {
 7         NSString *imageName = [NSString stringWithFormat:@"2288dce40fe3c6723acdba8bd7177c73－%d（被拖移）.tiff", i];
 8         UIImage *image = [UIImage imageNamed:imageName];
 9         [saveImageArray addObject:image];
10     }
11     // 设置GIF图片组
12     imgView.animationImages = saveImageArray;
13     // 设置播放速率
14     imgView.animationDuration = 1.0f;
15     // 设置播放次数(-1是无限播放)
16     imgView.animationRepeatCount = -1;
17     // 开启GIF动画
18     [imgView startAnimating];