Support for UILayoutSupports (topLayoutGuide & bottomLayoutGuide) about masonry HOT 8 CLOSED

Oh, awesome. Nice find! Even with the casting, that's much cleaner than having to step outside masonry to create the constraint :)

In case someone finds this issue via search, here's the relevant part of the example:

[topView makeConstraints:^(MASConstraintMaker *make) {
    UIView *topLayoutGuide = (id)self.topLayoutGuide;
    make.top.equalTo(topLayoutGuide.bottom);
    make.left.equalTo(self.view);
    make.right.equalTo(self.view);
    make.height.equalTo(@40);
}];

Thanks @cloudkite! Feel free to close this issue. (I'm just leaving it open in case you wanted to track any additional changes you might make)

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It was on the todo list, thanks for reminding me! I'll have a think and come back with some suggestions. In meantime I need to fix the tests as they no longer run due to the travis upgrade.

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So I started looking into this and surprisingly it already works without any changes!
As topLayoutGuide and bottomLayoutGuides are UIView subclasses. However I might make some changes to Masonry in order to support layout guide in a cleaner way.

If you look at the latest examples project it now has a example for using top and bottom layout guides

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That topLayoutGuide.bottom should be topLayoutGuide.mas_bottom, right? The example doesn't look updated.

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@huyz If you add #define MAS_SHORTHAND before importing Masonry.h then you can use the shorthand expressions ie view.bottom instead of view.mas_bottom

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Just in case, if someone wants to do the same on Swift, just cast topLayoutGuide to AnyObject:

topView.makeConstraints({ (make: MASConstraintMaker!) -> Void in
    let topLayoutGuide : AnyObject = self.topLayoutGuide
    make.top.equalTo()(topLayoutGuide.mas_bottom)
...

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With iOS9 they replaced the layout guides from _UILayoutGuide (internal class which is a subclass of UIView) to UILayoutGuide which is not a UIView anymore. Do you guys intend to support the new layout guides in the Masonry?

I opened an issue for that: Issue #207 .

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The length of topLayoutGuide is difference between viewDidLoad and viewWillAppear

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