Ios/swift/ボタン

ボタンを追加

class ViewController: UIViewController {
   var button1: UIButton!
   override func viewDidLoad() {
       super.viewDidLoad()
       button1 = UIButton()
       button1.frame = CGRectMake(100, 250, 150, 50)
       button1.setTitle("押す前", forState: .Normal)
       button1.backgroundColor = UIColor.yellowColor()
       button1.addTarget(self, action: #selector(ViewController.onClickMyButton(_:)), forControlEvents: .TouchUpInside)
       self.view.addSubview(button1)
   }
   internal func onClickMyButton(sender: UIButton) {
       button1.setTitle("押された", forState: .Normal)
   }
   override func didReceiveMemoryWarning() {
       super.didReceiveMemoryWarning()
       // Dispose of any resources that can be recreated.
   }
}

• 参考:http://swift-nyumon.info/button_action_with_swift
• 参考:https://sites.google.com/a/gclue.jp/swift-docs/ni-yinki100-ios/uikit/002-uibuttondebotanwo-biao-shi
• 参考(#selector):http://egg-is-world.com/2016/04/11/swift22-changes/