iOS 6.0限制导航控制器内的自动旋转？ [英] iOS 6.0 restrict auto rotation within a navigation controller?

问题描述

我还应该做什么？

-(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation) toInterfaceOrientation
{
    return (toInterfaceOrientation == UIInterfaceOrientationPortrait);
}

- (NSUInteger)supportedInterfaceOrientations
{
    return UIInterfaceOrientationMaskPortrait;
}

-(BOOL)shouldAutoRotate
{
    return NO;
}

我的viewController仍在旋转。

My viewController still rotates.

它嵌入在导航堆栈中。
如果我是UINavigationController的子类，并在那里实现相同的只有纵向模板，并且我将viewController嵌入到调整后的navigationController中，而不是它的工作原理，但我无意在UINavigationController出现的任何地方重写我的代码。

It is embedded in a navigation stack. If I subclass UINavigationController, and implement the same portrait-only templates there, and I embed my viewController in that tweaked navigationController, than it works, but I have no intention to rewrite my code everywhere a UINavigationController appears.

这里的最佳做法是什么？

What is the best practice here?

推荐答案

原始答案：无需子类 - 只需像我在我的解决方案中描述的那样进行类别：
iOS6模拟器中的顶级主页按钮纵向无法工作

ORIGINAL ANSWER: No need to subclass - just do a category like I described in my solution here: Top-home button portrait orientation in iOS6 simulator not working

基本上，对于iPhone，UINavigationController允许旋转一切除了顶级主页按钮肖像，对于iPad，它允许一切。

Basically, for iPhone the UINavigationController allows rotation for everything except "top home button portrait", for iPad it allows everything.

因此，您要么将类别转发给当前活动的视图控制器或静态像

So either you do a category forwarding the decision to the currently active view controller or something static like

U. INavigationController-Rotation.h：

UINavigationController-Rotation.h:

@interface UINavigationController (Rotation)
@end

UINavigationController-Rotation.m：

UINavigationController-Rotation.m:

#import "UINavigationController-Rotation.h"

@implementation UINavigationController (Rotation)

#pragma From UINavigationController

- (BOOL)shouldAutorotate {

    return NO;
}

- (NSUInteger)supportedInterfaceOrientations {

    return UIInterfaceOrientationMaskPortrait;
}

#pragma -

@end

更新：正如Javier Soto指出的那样，如果第二个类别做同样的事情，这可能会导致未定义的行为。在这种情况下，子类化可能是一个更好的解决方案。

UPDATE: As Javier Soto pointed out, this might lead to undefined behavior if there is a second category doing the same. In that case, subclassing might be a better solution.

在你知道没有其他类别做同样事情的情况下，我仍然认为这是一个有效的工作，本地务实的解决方案。我对此并不信任。决定你自己。

In a situation where you know there is no other category doing the same I still consider this a working, low effort, local and pragmatic solution. I am not religious about that. Decide yourself.

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