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- import UIKit
- class PostViewController : UIViewController {
- // 省略..
- override func viewDidLoad() {
- // textView の Delegate 設定.
- self.textView.delegate = self
- }
- // 省略..
- }
- // TextView の Delegate.
- extension PostViewController : UITextViewDelegate {
- // 文字が入力された.
- func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
- // 改行だったら、キーボードを閉じる.
- if text == "\n" {
- self.textView.resignFirstResponder()
- return false
- }
- // 改行以外は、入力を許可.
- return true
- }
- }
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