UIView.animateWithDuration(5, animations: {
myLabel.textColor = UIColor.redColor()
})
标签文本颜色立即改变
Try this
[UIView transitionWithView:myLabel duration:0.25 options:UIViewAnimationOptionTransitionCrossDissolve animations:^{
label.textColor = [UIColor redColor];
} completion:^(BOOL finished) {
}];
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