iOS 4 的透明应用程序图标

Swift
import UIKit
class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        
        // 设置应用程序图标为透明
        if let bundlePath = Bundle.mAIn.path(forResource: "AppIcon", ofType: "png") {
            let image = UIImage(contentsOfFile: bundlePath)
            UIApplication.shared.setAlternateIconImage(image) { error in
                if let error = error {
                    print("FAIled to set alternate icon: \(error.localizedDescription)")
                } else {
                    print("Alternate icon set successfully.")
                }
            }
        }
    }
}