Integration Of Facebook in IOS

Step 1: Install the Facebook SDK for iOS

Download the SDK and install the package by following the instruction wizard. The default install location is ~/Documents/FacebookSDK.

Download

1. Login to facebook.
2. Go to https://developers.facebook.com
3. Create new App taping  "Create a New App".
4. Write down the Appid for further use in your code some where else.
5. Now Create new project with Xcode.
6. Add the  FacebookSDK.framework from /Documents/FacebookSDK
7. Make some changes in your plist.
 
  -> FacebookAppID
 -> URL types
 -> Display Name(Optional)
8. Import header #import <FacebookSDK/FacebookSDK.h>
9. Create a property in your header of view controller
 @interface ViewController : UIViewController

@property (strong, nonatomic) FBSession *session;

@end

10 . Check the session on viewDidLoad.

- (void)viewDidLoad

{

    [super viewDidLoad];

    if (!self.session.isOpen)

    {

        // create a fresh session object

        self.session = [[FBSession alloc] init];

        [self.session openWithCompletionHandler:^(FBSession *session,

                                                         FBSessionState status,

                                                         NSError *error)

        {

            [self updateView];

        }];

    }

    else

    {

         [self updateView];

    }

}

11. If session is open then

- (void)updateView

{

  

    if (self.session.isOpen)

    {

        [FBRequestConnection startWithGraphPath:@"me/friends" parameters:[NSDictionary  dictionaryWithObjectsAndKeys:self.session.accessTokenData.accessToken,@"access_token", nil]  HTTPMethod:@"GET" completionHandler:^(FBRequestConnection *conn ,id result ,NSError *err)

         {

             NSLog(@"%@",result);

         }];

        

    }

    else

    {

        

    }

}