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我有两个VC(ViewController,SettingsVC,VC2)。在启动时,打开指定的ViewController(iOS)
我该如何做到这一点,以便当您打开开关(位于SettingsVC
)时,应用程序启动时,它会显示VC2?
默认值为ViewController.swift。
我试过这段代码,但是当我打开开关时,重新启动后没有任何反应。
SettingsVC.swift
let isSwitchOn = UserDefaults.standard.set(true, forKey: "isSwitchOn")
@IBOutlet weak var `switch`: UISwitch!
AppDelegate.swift
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
let isSwitchOn = UserDefaults.standard.bool(forKey: "isSwitchOn")
if isSwitchOn {
let storyboard = UIStoryboard(name: "Main", bundle: nil)
let VC2 = storyboard.instantiateViewController(withIdentifier: "ViewController")
self.window!.rootViewController = VC2;
}
// Override point for customization after application launch.
return true
}
当应用程序启动时,只写在didFinishLaunchingWithOptions的VC – BLC