NSInteralInconsistencyException - UIKeyboardLayoutAlignmentView

在iOS开发中，我们经常会遇到各种异常情况。其中一种常见的异常是 NSInteralInconsistencyException - UIKeyboardLayoutAlignmentView。这个异常通常在使用键盘布局时出现，给开发者带来了不小的困扰。本文将为大家介绍这个异常的原因和解决方法，并附上相关的案例代码。

swift
class ViewController: UIViewController {
    @IBOutlet weak var textField: UITextField!
    @IBOutlet weak var bottomConstraint: NSLayoutConstraint!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // 监听键盘状态的变化
        NotificationCenter.default.addObserver(self, selector: #selector(adjustKeyboardLayout(notification:)), name: UIResponder.keyboardWillChangeFrameNotification, object: nil)
    }
    
    @objc func adjustKeyboardLayout(notification: Notification) {
        guard let userInfo = notification.userInfo else { return }
        guard let keyboardFrame = (userInfo[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue)?.cgRectValue else { return }
        
        // 更新键盘布局的约束条件
        bottomConstraint.constant = view.bounds.height - keyboardFrame.origin.y
        
        UIView.animate(withDuration: 0.25) {
            self.view.layoutIfNeeded()
        }
    }
}