IOS: Where is the top layout guide in Xib file Interface Builder

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I'm currently developing iOS apps with swift. I want to develop my apps without storyboard just with the xib files and Grouping my Views and Controllers with seperate groups. But i realized a missing thing in xib file. I can not see top layout guide and bottom layout guide in xib file. I want to arrange my UIControls according to the layout guides. But there is no one? Is there another way to set constraints with top layout guide with interface builder without using Storyboards?

Thanks in advance.

Best Answer

If you do not want the entire view of the ViewController to extend underneath UINavigationBar when one is present. Turn off the edgesForExtendedLayout property of the UIViewController.

self.edgesForExtendedLayout = []

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Ios – UIScrollView Scrollable Content Size Ambiguity

So I just sorted out in this way:

Inside the UIScrollView add a UIView (we can call that contentView);
In this contentView, set top, bottom, left and right margins to 0 (of course from the scrollView which is the superView); Set also align center horizontally and vertically;

Finished.

Now you can add all your views in that contentView, and the contentSize of the scrollView will be automatically resized according with the contentView.

Update:

Some special case is covered by this video posted by @Sergio in the comments below.

Ios – ny way to add constraint between a view and the top layout guide in a xib file

You should refer the following example, this will definitely help you for your problem. I got this from http://developer.apple.com .

[button setTranslatesAutoresizingMaskIntoConstraints: NO];
id topGuide = myViewController.topLayoutGuide;
NSDictionary *viewsDictionary = NSDictionaryOfVariableBindings (button, topGuide);

[myViewController.view addConstraints:
    [NSLayoutConstraint constraintsWithVisualFormat: @"V:[topGuide]-20-[button]"
    options: 0
    metrics: nil
    views: viewsDictionary]
];

Best Answer

Related Solutions

Ios – UIScrollView Scrollable Content Size Ambiguity

Ios – ny way to add constraint between a view and the top layout guide in a xib file

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