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iOS app の習得日記 (2)

Posted at

(https://qiita.com/gomi_ningen/items/4e0e5bd98f08c4bcf93d)

続き

4.1 todoリスト作成までいった

```
import UIKit
import Foundation

class TODOMainViewController: UIViewController {

@IBOutlet weak var dismissButton: UIBarButtonItem!

override func viewDidLoad() {
    super.viewDidLoad()
    dismissButton.target = self
    dismissButton.action = #selector(TODOMainViewController.dismissButtonTapped(_:))
}

func dismissButtonTapped(_ sender: Any) {
    dismiss(animated: true, completion: nil)
}

}
```

新しくstoryboard と viewcontrollerを作り、
dismissButtonを接続しようとするも、

"Could not insert new outlet connection".

と出る。

(https://dev.classmethod.jp/articles/remove-xcode-derived-data/)
こんなのがでてきた
キャッシュを消せと
これでいいのか?

明日やってみよう

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