Answer1215

摘要： import UIKit class AboutViewController : UIViewController @IBOutlet weak var scrollView: UIScrollView! override func viewDidLoad() { super.viewDidLoad() view.addSubview(scrollView) //... 阅读全文

摘要： To programmaictlly change the content of app, we need to contect storyboard to a view controller. To do that, we need to create new file call it 'Prod 阅读全文

摘要： First, you need to enable the email auth in Firebase console. Then implement the auth service: Because login method return Promise, we need to convert 阅读全文