# Add constraints to lock the vertical and horizontal dimensions
private fun native_add_constraints(root_view: UIView, nested_view: UIView)
in "ObjC" `{
[root_view addConstraints:[NSLayoutConstraint
constraintsWithVisualFormat: @"V:|-0-[nested_view]-0-|"
options: NSLayoutFormatAlignAllCenterX metrics: nil views: @{@"nested_view": nested_view}]];
[root_view addConstraints:[NSLayoutConstraint
constraintsWithVisualFormat: @"H:|-0-[nested_view]-0-|"
options: NSLayoutFormatAlignAllCenterX metrics: nil views: @{@"nested_view": nested_view}]];
`}
lib/ios/ui/ui.nit:471,2--480,3