我有一个 UIViewController
详细视图,它是从 UINavigationController
中的 UITableView
推送的.在 UIViewController
我添加了一些子视图(例如 UITextView
、UIImageView
).
I have a UIViewController
detail view which is pushed from a UITableView
in a UINavigationController
. In the UIViewController
I add a number of subviews (e.g a UITextView
, UIImageView
).
在 iOS5
中,如果我的图片视图被放大,我使用此代码停止自动旋转:
In iOS5
I used this code to stop autorotation if my picture view was enlarged :
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
if (scrollView.isZoomed) {
return NO;
}
else {
return YES;
}
}
我正在尝试在 iOS6
下使用:
I am trying to achieve the same thing under iOS6
using :
- (BOOL)shouldAutorotate {
return FALSE;
}
然而,这个方法永远不会被调用,并且应用会继续旋转.
However this method is never called and the app continues rotating.
谁能帮忙?
如果您有管理这些视图的导航控制器,则不会调用 shouldAutorotate 方法.您必须继承 UINavigationController 并覆盖方法 shouldAutorotate 和 supportedIntervalOrientations.
If you have a Navigation Controller managing these views, the shouldAutorotate method won't be called. You would have to subclass UINavigationController and override methods shouldAutorotate and supportedIntervalOrientations.
来自文档:
现在,iOS 容器(例如 UINavigationController)不会咨询它们的子容器来确定它们是否应该自动旋转
Now, iOS containers (such as UINavigationController) do not consult their children to determine whether they should autorotate
编辑-----
正如 Lomax 下面提到的,Apple 不鼓励子类化 UINavigationController.您应该尝试一个类别(this SO question解释得很好):
As mentioned below by Lomax, subclassing UINavigationController is discouraged by Apple. You should try a category instead (this SO question explains it well):
@implementation UINavigationController
-(BOOL)shouldAutorotate
{
// your code
}
-(NSUInteger)supportedInterfaceOrientations
{
(...)
}
@end
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