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    ###### tags: `第13屆IT邦鐵人賽文章` # 【在 iOS 開發路上的大小事-Day19】透過 Firebase 來管理使用者 (Sign in with Facebook 篇) Part1 # 前置作業 在 Podfile 裡面新增 Firebase/Auth、FBSDKLoginKit 這兩個套件 ``` pod 'Firebase/Auth' pod 'FBSDKLoginKit' ``` ![](https://i.imgur.com/sTwGygH.png) ``` pod install ``` ![](https://i.imgur.com/q71KzYy.png) 接著到 [Facebook Developers 網站](https://developers.facebook.com/async/registration/) 註冊成為開發人員 註冊完成後,會看到下面這個畫面 ![](https://i.imgur.com/BpHsRvh.png) 接著點中間的「建立應用程式」,選擇你要建立的應用程式類型,如果不知道要選哪一種類型的話,可以選最後一個「無」,因為擁有最多的權限及功能 這邊由於只需要用到 Facebook 登入功能,不會用到企業商家的功能,所以選「消費者」就可以了 ![](https://i.imgur.com/Omf4Nt6.png) 填入應用程式顯示名稱、聯絡電子郵件,都填好就按建立應用程式 ![](https://i.imgur.com/tZVOUY2.png) 這樣就算建立完成了,這樣就可以看到這個程式的 Facebook Developers 後台了 ![](https://i.imgur.com/q7UiWth.png) 再到 [iOS 專用 Facebook 登入 - 快速入門](https://developers.facebook.com/docs/facebook-login/ios?sdk=cocoapods#) 這個網站 將 **專案的 Bundle ID** 跟 **啟用應用程式的單一登入** 這兩個選項填好 ![](https://i.imgur.com/pfElTNE.png) 然後就照著說明操作就可以了 ![](https://i.imgur.com/OEmLyDe.png) 應用程式編號如下圖位置 ![](https://i.imgur.com/G51s997.png) Client Token 如下圖位置 ![](https://i.imgur.com/o3KCIOf.png) 打開 App Target → Info,新增一個 URL Types 欄位,然後照著圖上說明填上對應的資料 ``` URL Schemes 欄位範例: 假設你的應用程式編號是 123456789012345,欄位內就填「fb123456789012345」 假設你的應用程式編號是 123456789098765,欄位內就填「fb123456789098765」 ``` ![](https://i.imgur.com/gGGhN5l.png) 然後再右鍵以 Source Code 開啟 Info.plist,在最後一個「</dict>」上面填入下面的資料 ```xml= <key>FacebookAppID</key> <string>你的應用程式編號</string> <key>FacebookClientToken</key> <string>你的用戶端權杖</string> <key>FacebookDisplayName</key> <string>你的應用程式名稱</string> <key>LSApplicationQueriesSchemes</key> <array> <string>fbapi</string> <string>fbapi20130214</string> <string>fbapi20130410</string> <string>fbapi20130702</string> <string>fbapi20131010</string> <string>fbapi20131219</string> <string>fbapi20140410</string> <string>fbapi20140116</string> <string>fbapi20150313</string> <string>fbapi20150629</string> <string>fbapi20160328</string> <string>fbauth</string> <string>fb-messenger-share-api</string> <string>fbauth2</string> <string>fbshareextension</string> </array> ``` 填完後會長得像下面一樣 ↓ ![](https://i.imgur.com/UAurnjg.png) 如果 App 的系統安裝最低版本是 iOS 12 的話,則是加入下面的程式碼 ```swift= // AppDelegate.swift import UIKit import FBSDKCoreKit @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 @available(iOS 13.0, *) import FBSDKCoreKit 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]) } ``` 如果 App 的系統安裝最低版本是 iOS 13 的話,則是加入下面的程式碼 ```swift= // AppDelegate.swift import FBSDKCoreKit func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { ApplicationDelegate.shared.application(application, didFinishLaunchingWithOptions: launchOptions) return true } // SceneDelegate.swift import FBSDKCoreKit 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]) } ``` 再來到 Firebase Console → Authentication,將 Facebook 登入開啟 ![](https://i.imgur.com/XiTUNKg.png) ![](https://i.imgur.com/SUNmmFN.png) 這樣就完成前置作業了,明天再來進行實作~ 本篇的範例程式碼: 1. AppDelegate.swift:[Github](https://github.com/leoho0722/IT2021/blob/main/Day15~Day22%E3%80%81Day24~Day28/CocoaPodsDemo/CocoaPodsDemo/AppDelegate.swift) 2. SceneDelegate.swift:[Github](https://github.com/leoho0722/IT2021/blob/main/Day15~Day22%E3%80%81Day24~Day28/CocoaPodsDemo/CocoaPodsDemo/SceneDelegate.swift)

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