Is UIScreen.main.bounds edge to edge?

Question

I have a relatively simple question but I can't seem to find the answer anywhere. When I use:

UIScreen.main.bounds.height

Does this give me the height from the bottom edge of the screen all the way to the top or only till the safe area? For eg. is the height only until the notch for the iPhone X or does it go all that way up past the notch.

It's worth noting that `bounds` is the screen-rect measured in _points_, taking into account the orientation, whereas `nativeBounds` returns the actual display dimensions in _pixels_, without taking into account the orientation. — Alladinian, May 28 '19 at 12:56
@Sh_Khan This doesn't look like a duplicate at all — the OP here already knows how to get the screen bounds (i.e. "resolution"), but is asking whether the returned rectangle represents the entire screen or just the safe area. The dupe you pointed to doesn't address that at all, being far older than the notion of a safe area. — Caleb, May 28 '19 at 13:30

Caleb · Accepted Answer · 2019-05-28T14:11:23.847

is the height only until the notch for the iPhone X or does it go all that way up past the notch

You can easily check this yourself. Set a breakpoint somewhere in any iOS project, and see what rectangles are returned by bounds or nativeBounds for the main screen when the app runs on the device you're interested in, e.g. iPhone X:

(lldb) po [[UIScreen mainScreen] bounds]
(origin = (x = 0, y = 0), size = (width = 375, height = 812))

(lldb) po [[UIScreen mainScreen] nativeBounds]
(origin = (x = 0, y = 0), size = (width = 1125, height = 2436))

You can check that against the dimensions reported for the screen in Apple's documentation:

I'd assume from that that the rectangle returned by bounds for the main screen represents the entire screen, not just the safe area. But if you're still not convinced, you could write a few lines of code that draws a rectangle with those dimensions, and you'll see that the notch and corners occlude parts of the rectangle:

Is UIScreen.main.bounds edge to edge?

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