diff --git a/Note/ClipEditViewController.swift b/Note/ClipEditViewController.swift index c07547f..eb3538c 100644 --- a/Note/ClipEditViewController.swift +++ b/Note/ClipEditViewController.swift @@ -29,6 +29,41 @@ class ClipEditViewController: UIViewController { setupNavigationBar() setupTextView() + setupKeyboardObservers() + } + + deinit { + NotificationCenter.default.removeObserver(self) + } + + private func setupKeyboardObservers() { + NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow(_:)), name: UIResponder.keyboardWillShowNotification, object: nil) + NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide(_:)), name: UIResponder.keyboardWillHideNotification, object: nil) + } + + @objc private func keyboardWillShow(_ notification: Notification) { + guard let keyboardFrame = notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect else { return } + let keyboardFrameInView = view.convert(keyboardFrame, from: nil) + let intersection = keyboardFrameInView.intersection(view.bounds) + let keyboardHeight = intersection.height + + let duration = notification.userInfo?[UIResponder.keyboardAnimationDurationUserInfoKey] as? TimeInterval ?? 0.25 + + UIView.animate(withDuration: duration, delay: 0, options: .beginFromCurrentState) { + self.textView.contentInset.bottom = keyboardHeight + self.textView.verticalScrollIndicatorInsets.bottom = keyboardHeight + self.view.layoutIfNeeded() + } + } + + @objc private func keyboardWillHide(_ notification: Notification) { + let duration = notification.userInfo?[UIResponder.keyboardAnimationDurationUserInfoKey] as? TimeInterval ?? 0.25 + + UIView.animate(withDuration: duration, delay: 0, options: .beginFromCurrentState) { + self.textView.contentInset.bottom = 0 + self.textView.verticalScrollIndicatorInsets.bottom = 0 + self.view.layoutIfNeeded() + } } override func viewDidAppear(_ animated: Bool) {