Unable to simultaneously satisfy constraints of InputAccessoryView - swift

Question

I have an InputAccessoryView with a single button in. However, I am getting the following output.
I have set up my InputAccessoryView in my ViewController as below;
lazy var customInputView: ButtonInputView = {
let frame = CGRect(x: 0, y: 0, width: view.frame.width, height: 50)
let view = ButtonInputView(frame: frame)
view.doneButton.addTarget(self, action: #selector(signIn), for: .touchUpInside)
return view
}()
override var inputAccessoryView: UIView? {
return customInputView
}
Xcode is breaking the height constraint of 50 set in the frame of my view. Any reason why??
CUSTOM ACCESSORY INPUT VIEW CLASS
class ButtonInputView: UIView {
override init(frame: CGRect) {
super.init(frame: frame)
setUpView()
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
lazy var doneButton: UIButton = {
let view = UIButton()
view.translatesAutoresizingMaskIntoConstraints = false
view.backgroundColor = Color.accent
view.setTitle("Done", for: .normal)
view.titleLabel?.font = Font.mainButton
view.layer.cornerRadius = 19
return view
}()
let separator: UIView = {
let view = UIView()
view.translatesAutoresizingMaskIntoConstraints = false
view.backgroundColor = .opaqueSeparator
return view
}()
private func setUpView() {
backgroundColor = Color.background
addSubview(doneButton)
addSubview(separator)
let separatorHeight = (1 / (UIScreen.main.scale))
if let titleLabelText = doneButton.titleLabel?.text {
doneButton.widthAnchor.constraint(equalToConstant: titleLabelText.width(usingFont: Font.mainButton) + 32).isActive = true
}
NSLayoutConstraint.activate([
separator.topAnchor.constraint(equalTo: topAnchor),
separator.leadingAnchor.constraint(equalTo: leadingAnchor),
separator.trailingAnchor.constraint(equalTo: trailingAnchor),
separator.heightAnchor.constraint(equalToConstant: separatorHeight),
doneButton.topAnchor.constraint(equalTo: separator.bottomAnchor, constant: 6),
doneButton.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -16),
doneButton.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -6),
])
}
override var intrinsicContentSize: CGSize {
return CGSize.zero
}
override func didMoveToWindow() {
super.didMoveToWindow()
if #available(iOS 11.0, *) {
if let window = window {
bottomAnchor.constraint(lessThanOrEqualToSystemSpacingBelow: window.safeAreaLayoutGuide.bottomAnchor,
multiplier: 1.0).isActive = true
}
}
}
}