ボタンの選択を3つのボタンに同時に制限することはできますか?私は、ユーザーにちょうど3つの文字特性を選択させたい。今すぐコードを設定すると、ボタンをタップすると画像が強調表示されます。印象を与えることが選択されます。一度に3つのボタンだけを選択したい。私はbuttonTapped関数を呼び出し、3つのボタンだけを選択する可能性をどのように制限できますか?
import UIKit
class CharacteristicsViewController: UIViewController, UINavigationControllerDelegate {
@IBOutlet weak var confidenceButton: UIButton!
@IBOutlet weak var humbleButton: UIButton!
@IBOutlet weak var creativeButton: UIButton!
@IBOutlet weak var athleticButton: UIButton!
@IBOutlet weak var loyalButton: UIButton!
@IBOutlet weak var intelligenceButton: UIButton!
@IBOutlet weak var punctualButton: UIButton!
@IBOutlet weak var kindButton: UIButton!
@IBOutlet weak var braveButton: UIButton!
override func viewDidLoad() {
super.viewDidLoad()
//HIDE/SHOW NAVIGATION BAR
self.navigationController?.isNavigationBarHidden = false
//1. CONFIDENCE BUTTON SETTINGS
confidenceButton.setImage(UIImage(named: "confidentnor"), for: UIControlState.normal)
confidenceButton.setImage(UIImage(named: "confidenthigh"), for: UIControlState.selected)
confidenceButton.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
//2. HUMBLE BUTTON SETTINGS
humbleButton.setImage(UIImage(named: "humblenor"), for: UIControlState.normal)
humbleButton.setImage(UIImage(named: "humblehigh"), for: UIControlState.selected)
humbleButton.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
//3. CREATIVE BUTTON SETTINGS
creativeButton.setImage(UIImage(named: "creativenor"), for: UIControlState.normal)
creativeButton.setImage(UIImage(named: "creativehigh"), for: UIControlState.selected)
creativeButton.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
//4. ATHLETIC BUTTON SETTINGS
athleticButton.setImage(UIImage(named: "athleticnor"), for: UIControlState.normal)
athleticButton.setImage(UIImage(named: "athletichigh"), for: UIControlState.selected)
athleticButton.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
//5. LOYAL BUTTON SETTINGS
loyalButton.setImage(UIImage(named: "loyalnor"), for: UIControlState.normal)
loyalButton.setImage(UIImage(named: "loyalhigh"), for: UIControlState.selected)
loyalButton.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
//6. INTELLIGENT BUTTON SETTINGS
intelligenceButton.setImage(UIImage(named: "intelligentnor"), for: UIControlState.normal)
intelligenceButton.setImage(UIImage(named: "intelligenthigh"), for: UIControlState.selected)
intelligenceButton.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
//7. PUNCTUAL BUTTON SETTINGS
punctualButton.setImage(UIImage(named: "punctualnor"), for: UIControlState.normal)
punctualButton.setImage(UIImage(named: "punctualhigh"), for: UIControlState.selected)
punctualButton.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
//8. KIND BUTTON SETTINGS
kindButton.setImage(UIImage(named: "kindnor"), for: UIControlState.normal)
kindButton.setImage(UIImage(named: "kindhigh"), for: UIControlState.selected)
kindButton.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
//9. BRAVE BUTTON SETTINGS
braveButton.setImage(UIImage(named: "bravenor"), for: UIControlState.normal)
braveButton.setImage(UIImage(named: "bravehigh"), for: UIControlState.selected)
braveButton.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
}
//BUTTON HIGHLIGHT FUNCTION
func buttonTapped(sender:UIButton) {
sender.isSelected = !sender.isSelected; }
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
}
ありがとうございました。 – Andrew