Use Compiler to Extract Swift Strings Yes

Weak References In Manual Retain Release YES。

step1.png

step2.png

step3.png

step4.png

<key>CFBundleURLTypes</key>
<array>
  <dict>
  <key>CFBundleURLSchemes</key>
  <array>
    <string>fb1278790479330559</string>
  </array>
  </dict>
</array>
<key>FacebookAppID</key>
<string>1278790479330559</string>
<key>FacebookClientToken</key>
<string>ac210e705ae6c82f42ecaac8fca45ad0</string>
<key>FacebookDisplayName</key>
<string>奔奔快跑</string>



<key>LSApplicationQueriesSchemes</key>
<array>
  <string>fbapi</string>
  <string>fb-messenger-share-api</string>
</array>

<key>LSApplicationQueriesSchemes</key>
<array>
  <string>fbapi</string>
  <string>fb-messenger-share-api</string>
</array>

step5.png

    
// AppDelegate.swift
import UIKit
import FacebookCore

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {    
    func application(
        _ application: UIApplication,
        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
    ) -> Bool {          
        ApplicationDelegate.shared.application(
            application,
            didFinishLaunchingWithOptions: launchOptions
        )

        return true
    }
          
    func application(
        _ app: UIApplication,
        open url: URL,
        options: [UIApplication.OpenURLOptionsKey : Any] = [:]
    ) -> Bool {
        ApplicationDelegate.shared.application(
            app,
            open: url,
            sourceApplication: options[UIApplication.OpenURLOptionsKey.sourceApplication] as? String,
            annotation: options[UIApplication.OpenURLOptionsKey.annotation]
        )
    }  
}

// SceneDelegate.swift
import FacebookCore
  ...
func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
    guard let url = URLContexts.first?.url else {
        return
    }

    ApplicationDelegate.shared.application(
        UIApplication.shared,
        open: url,
        sourceApplication: nil,
        annotation: [UIApplication.OpenURLOptionsKey.annotation]
    )
}

step6.png

// Add this to the header of your file, e.g. in ViewController.swift 
import FacebookLogin

// Add this to the body
class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
    
        let loginButton = FBLoginButton()
        loginButton.center = view.center
        view.addSubview(loginButton)
    }
}

step7.png

override func viewDidLoad() {
    super.viewDidLoad()

    if let token = AccessToken.current,
        !token.isExpired {
        // User is logged in, do work such as go to next view controller.
    }
}
    

step8.png

// Extend the code sample from 6a. Add Facebook Login to Your Code
// Add to your viewDidLoad method:
loginButton.permissions = ["public_profile", "email"]
  

step9.png