{"id":25116,"date":"2019-03-11T05:52:59","date_gmt":"2019-03-11T05:52:59","guid":{"rendered":"https:\/\/www.knowband.com\/blog\/?p=25116\/"},"modified":"2019-03-11T15:22:59","modified_gmt":"2019-03-11T05:52:59","slug":"facebook-login-ios","status":"publish","type":"post","link":"https:\/\/www.knowband.com\/blog\/tips\/facebook-login-ios\/","title":{"rendered":"Facebook login in iOS"},"content":{"rendered":"<h2><strong>Objectives of the blog<\/strong><\/h2>\n<p>Implement Facebook login using Facebook SDK in iOS app. OR you can download the sample project from <a href=\"https:\/\/drive.google.com\/drive\/folders\/1WbgcRiBOZQrKnXSmXOAWXz1SV1pCl8zV\" target=\"_blank\">this link<\/a>.<\/p>\n<h3><strong>Procedure to implement<\/strong><\/h3>\n<p><strong>1.<\/strong> Create a new Xcode project. And open the project.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/1Facebook-login-in-iOS.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-25117 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/1Facebook-login-in-iOS.png\" alt=\"Xcode project\" width=\"1462\" height=\"1058\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/1Facebook-login-in-iOS.png 1462w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/1Facebook-login-in-iOS-300x217.png 300w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/1Facebook-login-in-iOS-768x556.png 768w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/1Facebook-login-in-iOS-1024x741.png 1024w\" sizes=\"auto, (max-width: 1462px) 100vw, 1462px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>2.<\/strong> Open the Terminal and type &#8220;<strong>cd<\/strong> &#8220;. Then drag the project file from Xcode to the terminal. This will add the path of the project folder into the Terminal. Then delete the project name &#8220;<strong>Sample Facebook Login.xcodeproj<\/strong>&#8221; from the command. Final command in Xcode will be like &#8220;<strong>cd \/Users\/macpro\/Desktop\/iOS\/Sample Facebook Login\/<\/strong>&#8220;, this is the path of the project.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/2.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-25118 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/2.png\" alt=\"project path\" width=\"2728\" height=\"1760\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/2.png 2728w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/2-300x194.png 300w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/2-768x495.png 768w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/2-1024x661.png 1024w\" sizes=\"auto, (max-width: 2728px) 100vw, 2728px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>3.<\/strong> In terminal, use command &#8220;<strong>pod init<\/strong>&#8220;, this will create a podfile for the project.<\/p>\n<p><strong>4.<\/strong> Use command &#8220;<strong>nano podfile<\/strong>&#8220;, this will open the podfile in editing mode. The add below pods in the file.<\/p>\n<p><strong>pod &#8216;FBSDKCoreKit&#8217;<\/strong><\/p>\n<p><strong>pod &#8216;FBSDKShareKit&#8217;<\/strong><\/p>\n<p><strong>pod &#8216;FBSDKLoginKit&#8217;<\/strong><\/p>\n<p><strong>5.<\/strong> The podfile will look like below screenshot.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/iOS.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-25119 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/iOS.png\" alt=\" podfile \" width=\"1144\" height=\"730\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/iOS.png 1144w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/iOS-300x191.png 300w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/iOS-768x490.png 768w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/iOS-1024x653.png 1024w\" sizes=\"auto, (max-width: 1144px) 100vw, 1144px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>6.<\/strong> Use command &#8220;<strong>control + X<\/strong>&#8220;, to exit the file and save the podfile.<\/p>\n<p><strong>7.<\/strong> Run command &#8220;<strong>pod install<\/strong>&#8221; to install the podfile in the project. You will see the process terminal like below:<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/podfile-installation.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-25120 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/podfile-installation.png\" alt=\"podfile-installation\" width=\"1142\" height=\"736\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/podfile-installation.png 1142w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/podfile-installation-300x193.png 300w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/podfile-installation-768x495.png 768w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/podfile-installation-1024x660.png 1024w\" sizes=\"auto, (max-width: 1142px) 100vw, 1142px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>8.<\/strong> After the installation is complete, close the xcode project. Go to the project folder, you will see new project named &#8220;<strong>[your project name].wcWorkspace<\/strong>&#8220;. Open this project.<\/p>\n<p><strong>9.<\/strong> Open file named &#8220;<strong>AppDelegate.swift<\/strong>&#8221; in your project. Import &#8220;<strong>FBSDKCoreKit<\/strong>&#8221; and add below code in func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?)<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"brush: actionscript3; gutter: true\">FBSDKApplicationDelegate.sharedInstance()?.application(application, didFinishLaunchingWithOptions: launchOptions)<\/pre>\n<p>&nbsp;<\/p>\n<p>The code will look like below:<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/code.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-25121 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/code.png\" alt=\"code\" width=\"1458\" height=\"560\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/code.png 1458w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/code-300x115.png 300w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/code-768x295.png 768w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/code-1024x393.png 1024w\" sizes=\"auto, (max-width: 1458px) 100vw, 1458px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>10.<\/strong> Go to this link to create a new Facebook project &#8211; <a href=\"https:\/\/developers.facebook.com\/apps\/\" target=\"_blank\">https:\/\/developers.facebook.com\/apps\/<\/a><\/p>\n<p><strong>11.<\/strong> Click on &#8220;<strong>Add a new App<\/strong>&#8220;. Enter your projects name and proceed.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/Add-a-new-App.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-25122 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/Add-a-new-App.png\" alt=\"add-a-new-app\" width=\"2706\" height=\"750\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/Add-a-new-App.png 2706w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/Add-a-new-App-300x83.png 300w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/Add-a-new-App-768x213.png 768w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/Add-a-new-App-1024x284.png 1024w\" sizes=\"auto, (max-width: 2706px) 100vw, 2706px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>12.<\/strong> Fill the details on the next page. Go to &#8220;<strong>Settings<\/strong>&#8221; in left menu, then go to &#8220;<strong>Basic<\/strong>&#8221; and fill the details.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/setup.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-25123 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/setup.png\" alt=\"setup\" width=\"2706\" height=\"1650\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/setup.png 2706w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/setup-300x183.png 300w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/setup-768x468.png 768w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/setup-1024x624.png 1024w\" sizes=\"auto, (max-width: 2706px) 100vw, 2706px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>13.<\/strong> Go to bottom of the page. Click on &#8220;<strong>Add Platform<\/strong>&#8220;. Then fill you apps bundle ID and you will see a screen as below:<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/add-platform.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-25124 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/add-platform.png\" alt=\"add-platform\" width=\"2700\" height=\"1588\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/add-platform.png 2700w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/add-platform-300x176.png 300w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/add-platform-768x452.png 768w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/add-platform-1024x602.png 1024w\" sizes=\"auto, (max-width: 2700px) 100vw, 2700px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>14.<\/strong> Then go to your Xcode project. Open info.plist file (right click -&gt; Open As -&gt; Source Code), then add below code in your info.plist file.<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"brush: actionscript3; gutter: true\">&lt;key&gt;CFBundleURLTypes&lt;\/key&gt;\r\n&lt;array&gt;\r\n&lt;dict&gt;\r\n&lt;key&gt;CFBundleURLSchemes&lt;\/key&gt;\r\n&lt;array\r\n&lt;string&gt;fb[your Facebook App Id that you will get in step 11]&lt;\/string&gt;\r\n&lt;\/array&gt;\r\n&lt;\/dict&gt;\r\n&lt;\/array&gt;\r\n&lt;key&gt;FacebookAppID&lt;\/key&gt;\r\n&lt;string&gt;[your facebook App Id that you will get in step 11]&lt;\/string&gt;\r\n&lt;key&gt;FacebookDisplayName&lt;\/key&gt;\r\n&lt;string&gt;[your facebook App Name]&lt;\/string&gt;<\/pre>\n<p>&nbsp;<\/p>\n<p><strong>15.<\/strong> Open your ViewController where you want to add Facebook button for login. Import &#8220;FBSDKLoginKit&#8221; and add below code in viewDidLoad() function.<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"brush: actionscript3; gutter: true\">\/\/ Creating an instance of facebook login button.\r\nlet loginButton = FBSDKLoginButton()\r\n\/\/ Setting permission to facebook button.\r\nloginButton.readPermissions = [&quot;email&quot;, &quot;public_profile&quot;]\r\n\/\/ Setting delegate of facebook button so that we can access the response we get from facebook after login.\r\nloginButton.delegate = self\r\n\/\/ Centering the facboiok login button and adding the button in main view\r\nloginButton.center = self.view.center\r\nself.view.addSubview(loginButton)<\/pre>\n<p><strong>16.<\/strong> Add Facebook button delegate and the delegate methods.<\/p>\n<p><strong>17.<\/strong> To get the user details you need to add below code in func loginButton(_ loginButton: FBSDKLoginButton!, didCompleteWith result:<\/p>\n<p>FBSDKLoginManagerLoginResult!, error: Error!) delegate method of Facebook button.<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"brush: actionscript3; gutter: true\">\/\/ If we get token in response, that means Facebook login is successfull. Below code is used to get user details after facebook login is successfull.\r\nif((FBSDKAccessToken.current()) != nil){\r\nFBSDKGraphRequest(graphPath: &quot;me&quot;, parameters: [&quot;fields&quot;: &quot;id, name, first_name, last_name, email&quot;]).start(completionHandler: { (connection, result, error) -&gt; Void in\r\nif (error == nil){\r\n\/\/ Result will contain the user details that can be fetched.\r\nprint(result ?? &quot;&quot;)\r\n}\r\n})\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<p><strong>18.<\/strong> The Final code will look like below:<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/new-code.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-25125 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/new-code.png\" alt=\"new-code\" width=\"2740\" height=\"1628\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/new-code.png 2740w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/new-code-300x178.png 300w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/new-code-768x456.png 768w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/03\/new-code-1024x608.png 1024w\" sizes=\"auto, (max-width: 2740px) 100vw, 2740px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>19.<\/strong> Run the project and use the button &#8220;Log in&#8221;. You will be logged into the Facebook. You will get the user details in &#8220;result&#8221; variable, from which you can parse the details into your project.<\/p>\n<h3><strong>Summary<\/strong><\/h3>\n<p>After following the above procedure, you will be able to implement Facebook authentication in iOS Apps.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Objectives of the blog Implement Facebook login using Facebook SDK in iOS app. OR you can download the sample project from this link. Procedure to implement 1. Create a new Xcode project. And open the project. &nbsp; &nbsp; 2. Open the Terminal and type &#8220;cd &#8220;. Then drag the project file from Xcode to the [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kbui_enabled":"","footnotes":""},"categories":[1111],"tags":[9132,9133,1035,9061,8858],"class_list":["post-25116","post","type-post","status-publish","format-standard","hentry","category-tips","tag-facebook-login","tag-facebook-sdk","tag-ios-app","tag-ios-tips","tag-tutorial"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Facebook login in iOS | Knowband blog | iOS tutorial<\/title>\n<meta name=\"description\" content=\"Implement Facebook login using Facebook SDK in iOS app. This blog provides you information regarding that implementation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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