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开发中用到UIPickerView显示和隐藏的动画.随手记一下
第一步:写一个动画方法
- (void)ViewAnimation:(UIView*)view willHidden:(BOOL)hidden {
[UIView animateWithDuration:0.3 animations:^{
if (hidden) {
view.frame = CGRectMake(0, [UIScreen mainScreen].bounds.size.height, [UIScreen mainScreen].bounds.size.width, view.bounds.size.height);
} else {
[view setHidden:hidden];
view.frame = CGRectMake(0, [UIScreen mainScreen].bounds.size.height - view.bounds.size.height, [UIScreen mainScreen].bounds.size.width, view.bounds.size.height);
}
} completion:^(BOOL finished) {
[view setHidden:hidden];
}];
}
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原文地址:http://blog.csdn.net/broccoliii/article/details/44964383