我想要,那个 searchField 变形为targetFrame
.
#1 这不是结果:
- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)bar
{
UITextField *searchField = [bar valueForKey:@"_searchField"];
CGRect targetFrame = CGRectMake(-50, 0, 200, 30);
searchField.frame = targetFrame; //not result
return YES;
}
#2 不正确,但转换:
- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)bar
{
UITextField *searchField = [bar valueForKey:@"_searchField"];
searchField.frame = CGRectMake (10, 0, 200, 50); //must differ from CGRectZero
[UIView animateWithDuration: 3.0
animations: ^{
CGRect targetFrame = CGRectMake(-50, 0, 200, 30);
searchField.frame = targetFrame;
}];
return YES;
}
然后使用#2,searchField 开始动画,但默认大小(不是targetFrame
)。
我想要,那个 searchField 转换为targetFrame
.
附言
searchField.autoresizingMask = UIViewAutoresizingNone;
不是结果