-13玩色-色即是空空即是色

Rebecca
Rebecca
Sep 3, 2018 · 3 min read

披著龍皮的皮卡丘


import
UIKit
class ViewController: UIViewController {@IBOutlet weak var redSlider: UISlider!@IBOutlet weak var greenSlider: UISlider!@IBOutlet weak var greenLabel: UILabel!@IBOutlet weak var imageImageView: UIImageView!@IBOutlet weak var blueSlider: UISlider!@IBOutlet weak var alphaSlider: UISlider!@IBOutlet weak var alphaLabel: UILabel!@IBOutlet weak var blueLabel: UILabel!@IBOutlet weak var redLabel: UILabel!override func viewDidLoad() {super.viewDidLoad()// Do any additional setup after loading the view, typically from a nib.}@IBAction func colorSlider(_ sender: UISlider) {imageImageView.backgroundColor =UIColor(red: CGFloat(redSlider.value),green: CGFloat(greenSlider.value),blue:CGFloat(blueSlider.value),alpha: CGFloat(alphaSlider.value))var numberString = String(format: "%.2f", sender.value)if sender == redSlider {redLabel.text = numberString}else if sender == blueSlider {blueLabel.text = numberString}else if sender == greenSlider {greenLabel.text = numberString}}}

彼得潘的 Swift iOS App 開發教室

學習 Swift iOS App 開發的學生作品集

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