我用火力進行身份驗證。一旦用戶登錄,我想用Tab控制器移動到主屏幕。IOS Swift-導航至主屏幕,而不故事板
應用委託功能
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool
{
window = UIWindow(frame: UIScreen.mainScreen().bounds)
window?.makeKeyAndVisible()
navToSignin()
return true
}
func navToHome()
{
print("navToHome")
let customTab = CustomTabBar()
window?.rootViewController = customTab
}
func navToSignin()
{
let firstPage = SigninNewVC()
window?.rootViewController = firstPage
}
SigninNewVC
override func viewWillAppear(animated: Bool)
{
super.viewWillAppear(animated)
if FIRAuth.auth()?.currentUser?.uid != nil
{
if let appDel = UIApplication.sharedApplication().delegate as? AppDelegate
{
print("viewWillAppear")
appDel.navToHome()
//This func gets called but still does not navigate to Home VC
}
}
}
private func fbSignin(token: String)
{
FIRAuth.auth()?.signInWithCustomToken(token) { (user, error) in
if error == nil
{
if user != nil
{
if let appDel = UIApplication.sharedApplication().delegate as? AppDelegate
{
JulehHUD.hideProgressHUD(self.view!)
appDel.jumpToHome()
//This part works fine when i login it navigates to Home Screen
}
}
}
else
{
print("Error:\n\(error)\n")
}
}
}
當我登錄的第一次,它工作正常,我能夠導航到主屏幕。但是,如果我重新啓動應用程序,我無法導航到主屏幕。它停留在SigninNewVC雖然打印報表打印(「viewWillAppear中」)&打印(「navToHome」)執行。不知道我做錯了什麼。下面是我的標籤欄類
類CustomTabBar:的UITabBarController {
override func viewDidLoad()
{
super.viewDidLoad()
let homeController = HomeScreenVC()
let newHomeTab = UINavigationController(rootViewController: homeController)
newHomeTab.title = "Home"
viewControllers = [newHomeTab]
}
}
請讓我知道我做錯了。
您是否對視圖控制器使用xib或storyboard? – Tj3n
@ Tj3n不,我不使用它 – vanquish