[英]Custom Facebook button inside Stack View
I'm creating a login page where I want to have a Facebook login button.我正在创建一个登录页面,我想要一个 Facebook 登录按钮。 I have a stack view where it I want the button to be.
我有一个堆栈视图,我想要按钮所在的位置。 How do I insert the button into the stack view and customize the button to
setUpElements()
?如何将按钮插入堆栈视图并将按钮自定义为
setUpElements()
? I currently have a normal UIButton where I want the facebook button to be, designed as how I want the FBButton to be designed.我目前有一个普通的 UIButton,我希望 facebook 按钮位于其中,设计为我希望 FBButton 的设计方式。 It's just a placeholder for the FBButton right now.
它现在只是 FBButton 的占位符。 Pretty much, I just want to customize the facebook button to the specs of
setUpElements()
and place it inside of the stack view (under the “Sign Up Apple Button”. I've attached a screenshot of how the stackview is designed, thanks for any help!几乎,我只想根据
setUpElements()
的规范自定义 facebook 按钮,并将其放置在堆栈视图中(在“注册 Apple 按钮”下)。我附上了堆栈视图设计的屏幕截图,谢谢任何帮助!
import UIKit
import FirebaseAuth
import FBSDKLoginKit
class WelcomeViewController: UIViewController {
@IBOutlet weak var stackView: UIStackView!
@IBOutlet weak var signInAppleButton: UIButton!
@IBOutlet weak var signInFacebookButton: UIButton!
let facebookLoginButton = FBLoginButton()
override func viewDidLoad() {
super.viewDidLoad()
setUpElements()
}
func setUpElements() {
let button = signInFacebookButton
button?.layer.borderWidth = 2
button?.layer.borderColor = UIColor.init(red: 93/255, green: 129/255, blue: 140/255, alpha: 1).cgColor
button?.layer.cornerRadius = 20.0
button?.tintColor = UIColor.black
}
}
If you want to add a button or view to UIStackView programmatically you need to use this function stackView.insertArrangedSubview(button, at: 3)
如果你想以编程方式向 UIStackView 添加按钮或视图,你需要使用这个 function
stackView.insertArrangedSubview(button, at: 3)
Edit编辑
you can create a function where you want to have facebook login implementation something like this:你可以创建一个 function ,你想要 facebook 登录实现是这样的:
@objc func facebookLoginButtonAction() {
let loginManager = LoginManager()
loginManager.logIn(permissions: [], from: self) { (result, error) in
// Check for error
guard error == nil else {
// Error occurred
print(error!.localizedDescription)
return
}
// Check for cancel
guard let result = result, !result.isCancelled else {
print("User cancelled login")
return
}
// Successfully logged in
// do your business logic code here...
// in case if you would like to load user facebook profile
Profile.loadCurrentProfile { (profile, error) in
// update UI ...
}
}
}
then you add this function as target action to your custom button let's suppose that you want to use signInFacebookbutton
you could place the following code inside viewDidLoad
or inside setUpElements()
:然后将此 function 作为目标操作添加到自定义按钮让我们假设您想要使用
signInFacebookbutton
您可以将以下代码放在viewDidLoad
或setUpElements()
中:
signInFacebookbutton.addTarget(self, action: #selector(facebookLoginButtonAction), for: .touchUpInside)
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