2019-12-11a few seconds read (About 66 words)

How to fix UIToolbar Auto Layout issues

Issue #538

Hierarchy

1	UIToolbar -> _UIToolbarContentView -> _UIButtonBarStackVie

1 2	_UIToolbarContentView's width should equal 0 _UIToolbarContentView's height should equal 0

Workaround that fixes 1 warning

1 2	toolbar.setItems(items, animated: false) toolbar.updateConstraintsIfNeeded()

###

Use a non .zero frame that is close to the view bounds width

let toolbar = UIToolbar(frame: CGRect(x: 0, y: 0, width: 375, height: 30))
DispatchQueue.main.async {
    self.toolbar.updateConstraintsIfNeeded()
}