0108 点击时 大小图
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/**
* 大图功能
*/
- (IBAction)big {
// 1.添加阴影
UIButton *cover = [[UIButton alloc]init];
cover.frame = self.view.bounds;
[self.view addSubview:cover];
cover.backgroundColor = [UIColor blackColor];
cover.alpha = 0.0;
self.cover = cover;
// 1.1给阴影添加点击事件
[cover addTarget:self action:@selector(smallImage) forControlEvents:UIControlEventTouchUpInside];
// 2调整位置
[self.view bringSubviewToFront:self.head];//让head到最前边
// 3.修改head的frame
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:1.5];
cover.alpha = 0.6;
CGFloat headW = self.view.frame.size.width;
CGFloat headH = headW;
CGFloat headX = 0;
CGFloat headY = ( self.view.frame.size.height - headH)*0.5;
self.head.frame = CGRectMake(headX, headY, headW, headH);
[UIView commitAnimations];
}
/**
* 小图功能的点击
*/
- (void)smallImage{
//// 1.阴影移除
// [self.cover removeFromSuperview];
//// 2.修改头像frame
// self.head.frame = CGRectMake(97, 145, 180, 180);
[UIView animateWithDuration:1.5 animations:^{
self.cover.alpha = 0.0;
self.head.frame = CGRectMake(97, 145, 180, 180);
} completion:^(BOOL finished) {
[self.cover removeFromSuperview];
self.cover = nil;
}];
}
