/Swift/Change opacity of button clicked swift

Change opacity of button clicked swift

@IBAction func keyPressed(_ sender: UIButton) {
  playSound(soundName: sender.currentTitle!)

  //Reduces the sender's (the button that got pressed) opacity to half.
  sender.alpha = 0.5

  //Code should execute after 0.2 second delay.
  DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) {
      //Bring's sender's opacity back up to fully opaque.
      sender.alpha = 1.0
  }
}

func playSound(soundName: String) {
    let url = Bundle.main.url(forResource: soundName, withExtension: "wav")
    player = try! AVAudioPlayer(contentsOf: url!)
    player.play()
}

Similar codes

1 vote130 views1 answer
How to select but not focus textfield swift
Swift
0 vote141 views2 answers
Var i = 2 repeat { i *= i * 2 } while i < 100 print(i)
Swift
-1 vote134 views2 answers
UICollectionviewcontroller reload data
Swift
0 vote128 views1 answer
Swift + time delay call main thread
Swift
0 vote179 views1 answer
Convert dictionary to array swift
Swift
0 vote148 views1 answer
Xcode how to know which textfield is selected
Swift
0 vote130 views1 answer
Numberformatter swift
Swift
1 vote152 views1 answer
Disable swipe to delete swift
Swift
0 vote143 views1 answer
Bind object
Swift
1 vote133 views1 answer
Hide status bar ios
Swift