[英]Update frame of DetailViewController in subclass of UISplitViewController
I wish to change the frame of DetailViewController
when splitViewController?.displayMode == .PrimaryOverlay
, such that the DetailViewController
view is never obscured by the MasterViewController
. 我希望在
splitViewController?.displayMode == .PrimaryOverlay
时更改DetailViewController
的框架,以使DetailViewController
视图不会被MasterViewController
遮盖。 I have managed to get this working when navigating from splitViewController?.displayMode == .PrimaryHidden
to splitViewController?.displayMode == .PrimaryOverlay
in iPad portrait orientation, using a custom UISplitViewController with overriden viewDidLayoutSubviews
method as described in jrc's answer here: Change the width of Master in UISplitViewController (see below). 在iPad纵向方向上,使用自定义UISplitViewController和重写的
viewDidLayoutSubviews
方法(如jrc的答案所述),从iPad纵向方向导航到splitViewController?.displayMode == .PrimaryHidden
到splitViewController?.displayMode == .PrimaryOverlay
splitViewController?.displayMode == .PrimaryHidden
时,我已经设法使此工作正常工作:如jrc的答案所述: 更改宽度UISplitViewController中的Master (请参见下文)。 I have linked the UISplitViewController in storyboard to SplitViewController
, and viewDidLayoutSubviews()
is called on initial app load with iPad. 我已经将情节提要中的UISplitViewController链接到
SplitViewController
,并且在iPad初始加载应用程序时调用了viewDidLayoutSubviews()
。
SplitViewController.swift SplitViewController.swift
override func viewDidLayoutSubviews() {
var masterViewController = (self.viewControllers[0] as! UINavigationController).topViewController
var detailViewController = (self.viewControllers[1] as! UINavigationController).topViewController
// Adjust the width of the detail view
var detailViewFrame = detailViewController!.view.frame
detailViewFrame.origin.x += masterViewController!.view.frame.width
detailViewFrame.size.width -= masterViewController!.view.frame.width
detailViewController!.view.frame = detailViewFrame
detailViewController!.view.setNeedsLayout()
}
However, when I am in splitViewController?.displayMode == .PrimaryOverlay
, and subsequently select a different item from MasterViewController
, the DetailViewController frame reverts back to the default frame size and position. 但是,当我处于
splitViewController?.displayMode == .PrimaryOverlay
并随后从MasterViewController
选择其他项目时,DetailViewController框架会恢复为默认的框架大小和位置。 I have tried to fix this using the following (although calling viewDidLayoutSubviews()
in this way is not recommended): 我尝试使用以下方法解决此问题(尽管不建议以这种方式调用
viewDidLayoutSubviews()
):
MasterViewController.swift MasterViewController.swift
override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
collapseDetailViewController = false
splitViewController?.viewDidLayoutSubviews()
}
Now when I select an item in MasterViewController.swift
splitViewController?.viewDidLayoutSubviews()
is being called, but I get strange readings when printing the DetailViewController's view.frame.origin.x
and view.frame.width
at the end of viewDidLayoutSubviews()
. 现在,当我在
MasterViewController.swift
选择一个项目时,将调用splitViewController?.viewDidLayoutSubviews()
,但是在viewDidLayoutSubviews()
末尾打印DetailViewController的view.frame.origin.x
和view.frame.width
时,会得到奇怪的读数。 And even with these changes to the frame which seem to have been made, the DetailViewController
view is still being obscured. 即使对框架进行了这些更改,但似乎仍然看
DetailViewController
视图。
Would appreciate if some help on how to fix the DetailViewController
frame so that it is never obscured even when selecting new items in a MasterViewController
. 如果对如何修复
DetailViewController
框架有所帮助,以便即使在MasterViewController
选择新项目也不会使其模糊,将不胜感激。 I have not had luck implementing any UISplitViewController
delegate methods for solving this, and I also tried reloading the SplitViewController
with loadView
at the end of didSelectRowAtIndexPath
but this caused a freeze of the iPad screen. 我还没有实现任何
UISplitViewController
委托方法来解决此问题,我还尝试在didSelectRowAtIndexPath
的末尾用loadView
重新加载SplitViewController
,但这导致iPad屏幕冻结。
For anyone else who wanted to know how to get the master and detail view controllers to go side by side without overlay when going onto an iPad, it's really easy! 对于想知道如何使主视图和局部视图控制器在iPad上不重叠的情况下并排显示的人来说,这真的很容易! Just add
preferredDisplayMode = .AllVisible
. 只需添加
preferredDisplayMode = .AllVisible
。 No need to use custom SplitViewControllers like MGSplitViewController
or alter the frame of the Split View Controller. 无需使用自定义的SplitViewControllers(例如
MGSplitViewController
或更改Split View Controller的框架。 :-) :-)
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