Integrating Facebook in iOS 6

FacebookViewController.m

#import "Social/Social.h"
#import "Accounts/Accounts.h"

-(IBAction)postToFaceBook:(id)sender{
 
//Deprecated in iOS6
/*
    ACAccountStore *accountStore = [[ACAccountStore alloc] init];
    ACAccountType *accountType = [accountStore accountTypeWithAccountTypeIdentifier:ACAccountTypeIdentifierFacebook];
 
    [accountStore requestAccessToAccountsWithType:accountType withCompletionHandler:^(BOOL granted, NSError *error) {

        ACAccount *account = [[ACAccount alloc] initWithAccountType:accountType];
        NSLog(@"%@, %@", account.username, account.description);
    }];
*/
 
    if([SLComposeViewController isAvailableForServiceType:SLServiceTypeFacebook]) {
 
        SLComposeViewController *controller = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeFacebook];
 
        SLComposeViewControllerCompletionHandler myBlock = ^(SLComposeViewControllerResult result){
            if (result == SLComposeViewControllerResultCancelled) {
                NSLog(@"Cancelled"); 
            } else
            {
                NSLog(@"Done");
            }
            [controller dismissViewControllerAnimated:YES completion:Nil];
        };
        controller.completionHandler = myBlock;

        [controller setInitialText:@"Test Post from iOS-6-facebook-library"];
        [controller addURL:[NSURL URLWithString:@"http://www.vinsol.com"]];
        [controller addImage:[UIImage imageNamed:@"fb.png"]];
 
        [self presentViewController:controller animated:YES completion:Nil];
    }
    else {
        NSLog(@"UnAvailable");
    }
}