#import <EasyFacebook.h>

...

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // EasyFacebook configuration.
    [EasyFacebook sharedInstance].facebookAppID = @"YOUR_FACEBOOK_APP_ID";
    [EasyFacebook sharedInstance].facebookReadPermissions = @[@"email"];
    [EasyFacebook sharedInstance].facebookPublishPermissions = @[@"publish_actions"];

    // Your Code
    // ...

    return YES;
   }

// During the Facebook login flow, your app passes control to the Facebook iOS app or Facebook in a mobile browser.
// After authentication, your app will be called back with the session information.
// Override application:openURL:sourceApplication:annotation to call the FBsession object that handles the incoming URL
- (BOOL)application:(UIApplication *)application
            openURL:(NSURL *)url
  sourceApplication:(NSString *)sourceApplication
         annotation:(id)annotation {
  return [FBSession.activeSession handleOpenURL:url];
}

- (IBAction)facebookLoginButtonTapped {

    [[EasyFacebook sharedInstance] openSession:^(NSString *token) {
        // Facebook login succeeded and we now have a valid facebook token string.
        // Send it to your servers for authentication, and then move to the next screen in the app.
    } error:^(NSError *error) {
        // Login failed, let the user know.
    }];
}

- (void)postFacebookStatus:(NSString *)status {

    [[EasyFacebook sharedInstance] requestPublishPermissions:^(NSString *token) {
        // If we got to this line, then we have a valid token with both our read and publish permissions. This is guaranteed.
        // Send the new token to the server, so it updates the Facebook token associated with your user.
        // After the new token is sent successfully, call the end-point that you originally wanted to.
    } error:^(NSError *)error {
        // An error occured, handle it.
    }];
}

- (IBAction)logoutButtonTapped {
    // Close EasyFacebook session.
    [[EasyFacebook sharedInstance] closeSession];

    // Clear any persistent data you stored about the currently logged in user.
}