[swift]建立App內部鍵盤->設定KeyboardAccessory

ViewController.swift

override func viewDidLoad() {
        //...
        
        let keyboardAccessoryView = CustomAccessoryView(frame: CGRect(x: 0, y: 0, width: 30, height: 30))
        
        keyboardAccessoryView.delegate = self
        
        textField.inputAccessoryView = keyboardAccessoryView
    }