ios View 淡入淡出效果
- (void)TheAnimation{
CATransition *animation = [CATransition animation];
animation.delegate = self;
animation.duration = 0.7 ; // 动画持续时间(秒)
animation.timingFunction = UIViewAnimationCurveEaseInOut;
animation.type = kCATransitionFade;//淡入淡出效果
NSUInteger f = [[rView subviews] indexOfObject:fView];
NSUInteger z = [[rView subviews] indexOfObject:zView];
[rView exchangeSubviewAtIndex:z withSubviewAtIndex:f];
[[rView layer] addAnimation:animation forKey:@"animation"];
[self performSelector:@selector(ToUpSide) withObject:nil afterDelay:2];//2秒后执行TheAnimation
}
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