【iOS 开发】iOS 10.3 如何更换 app 图标

func setAlternateIconName(_ alternateIconName: String?, 
    completionHandler: ((Error?) -> Void)? = nil)

复制

CFBundleIcons

    CFBundleAlternateIcons
    
        blackBgColor
        
            CFBundleIconFiles
            
                blackBgColor
            
            UIPrerenderedIcon
            
        
    
    CFBundlePrimaryIcon
    
        CFBundleIconFiles
        
            AppIcon60x60
        
    

复制

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
    }

    @IBAction func changeAppIcon(_ sender: Any) {
        
        if UIApplication.shared.supportsAlternateIcons {
            print("you can change this app's icon")
        }else {
            print("you cannot change this app's icon")
            return
        }
        
        if let name = UIApplication.shared.alternateIconName {
            // CHANGE TO PRIMARY ICON
            UIApplication.shared.setAlternateIconName(nil) { (err:Error?) in
                print("set icon error：(String(describing: err))")
            }
            print("the alternate icon's name is (name)")
        }else {
            // CHANGE TO ALTERNATE ICON
            UIApplication.shared.setAlternateIconName("blackBgColor") { (err:Error?) in
                print("set icon error：(String(describing: err))")
            }
        }
    }

}

复制