我想像这个链接创建UIView动画
我已经在ViewDidLoad()中尝试了所有这些代码而无法正常工作
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(200, 200, 100, 100)];
view.backgroundColor = [UIColor blueColor];
CATransition *animation=[CATransition animation];
[animation setDelegate:self];
[animation setDuration:1.75];
[animation setTimingFunction:UIViewAnimationCurveEaseInOut];
[animation setType:@"rippleEffect"];
[animation setFillMode:kCAFillModeRemoved];
animation.endProgress=1;
[animation setRemovedOnCompletion:NO];
[view.layer addAnimation:animation forKey:nil];
[self.view addSubview:view];
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我想在iOS中创建相同的东西.请帮助我