UIPopoverController以模态方式呈现在iOS 5中不起作用 [英] UIPopoverController presented modally doesn't work in iOS 5

问题描述

首先，我们可以在这谈谈iOS 5吗？或者它仍然在NDA下？
如果我们不能谈论它，请忽略我的问题。

First of all, can we talk about iOS 5 here? Or is it still under NDA? If we can't talk about it, just ignore my question.

通过安装iOS 5的iPad测试我的应用程序我发现我的问题模态弹出：这可以通过点击它来关闭，换句话说，它不是模态！我不知道我做错了什么。

By testing my app with an iPad with iOS 5 installed I discovered a problem with my "modal" popover: This can be closed by tapping outside of it, in other words, it's not modal! I have no idea what I'm doing wrong.

视图控制器使用以下代码打开popover：

A view controller opens the popover with this code:

AddProjectViewController *addProjectViewController = [[AddProjectViewController alloc] initWithStyle:UITableViewStyleGrouped];
[addProjectViewController setDelegate:self];

UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:addProjectViewController];
[addProjectViewController release];

CGRect popoverFrame = [sender frame];

UIPopoverController *tempPopover = [[UIPopoverController alloc] initWithContentViewController:navController];
[tempPopover presentPopoverFromRect:popoverFrame inView:[self view] permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
self.currentPopover = tempPopover;
[tempPopover release];
[navController release];

popover内部的视图控制器在viewDidLoad中有这一行。

The view controller that's inside of the popover has this line in it's viewDidLoad.

- (void)viewDidLoad
{
    [self setModalInPopover:YES];

    // Do other stuff
}

有没有什么失踪？

推荐答案

我找到了。 setModalInPopover赋值必须位于嵌入式视图控制器的viewDidAppear方法内，以使popover为模态：

I found it. The setModalInPopover assignment must be inside of the viewDidAppear method of the embedded view controller for the popover to be modal:

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];

    [self setModalInPopover:YES];
}

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