Twitter native iOS 5.0+ sharing dialog class method for Cocos2D 2.0+

gistfile1.m

+(void)displayTweetComposerWithInitialText:(NSString*)initialText
                              successBlock:(void(^)())successBlock
                               cancelBlock:(void(^)())cancelBlock
{
    
    if ([TWTweetComposeViewController canSendTweet]) // Check if twitter is setup and reachable
    {
        AppController *app = (AppController*)[[UIApplication sharedApplication] delegate];
        
        TWTweetComposeViewController *tweetViewController = [[TWTweetComposeViewController alloc] init];
        
        [tweetViewController setInitialText:initialText];
        
        [tweetViewController setCompletionHandler:^(TWTweetComposeViewControllerResult result) {
            
            dispatch_async(dispatch_get_main_queue(), ^{
                
                {
                    if (result == TWTweetComposeViewControllerResultDone)
                    {
                        //successful
                        if (successBlock != nil) {
                            successBlock();
                        }
                    }
                    else if(result == TWTweetComposeViewControllerResultCancelled)
                    {
                        //Cancelled
                        if (cancelBlock != nil) {
                            cancelBlock();
                        }
                    }
                }
                
                [app.navController dismissModalViewControllerAnimated:YES];
            });
            
        }];
        
        [app.navController presentModalViewController:tweetViewController
                                             animated:YES];
    } else {
        // Twitter account not configured, inform the user
        UIAlertView *alertView = [[UIAlertView alloc]
                                  initWithTitle:@"Sorry"
                                  message:@"You can't send a tweet right now, make sure your device has an internet connection and you have at least one Twitter account setup"
                                  delegate:self
                                  cancelButtonTitle:@"OK"
                                  otherButtonTitles:nil];
        [alertView show];
    }
}