share to twitter

- (void) postToTwitterPhotoAtIndexPath: (NSIndexPath*) indexPath {
    [MBProgressHUD showHUDAddedTo:self.view animated:YES];
    PFObject *photo = [self.myPhotos objectAtIndex:indexPath.row];
    // Create an account store object.
    ACAccountStore *accountStore = [[ACAccountStore alloc] init];
    
    // Create an account type that ensures Twitter accounts are retrieved.
    ACAccountType *accountType = [accountStore accountTypeWithAccountTypeIdentifier:ACAccountTypeIdentifierTwitter];
    
    // Request access from the user to use their Twitter accounts.
    [accountStore requestAccessToAccountsWithType:accountType withCompletionHandler:^(BOOL granted, NSError *error) {
        if(granted) {
            // Get the list of Twitter accounts.
            NSArray *accountsArray = [accountStore accountsWithAccountType:accountType];
            
            // For the sake of brevity, we'll assume there is only one Twitter account present.
            // You would ideally ask the user which account they want to tweet from, if there is more than one Twitter account present.
            if ([accountsArray count] > 0) {
                // Grab the initial Twitter account to tweet from.
                ACAccount *twitterAccount = [accountsArray objectAtIndex:0];
                
                // Create a request, which in this example, posts a tweet to the user's timeline.
                // This example uses version 1 of the Twitter API.
                // This may need to be changed to whichever version is currently appropriate.
                NSString *publicText = [NSString stringWithFormat:@"Become immortal like me %@", [photo objectForKey:@"photo_url"]];
                
                NSDictionary *params = [NSDictionary dictionaryWithObjectsAndKeys:
                                        publicText, @"status",
                                        nil];
                TWRequest *postRequest = [[TWRequest alloc] initWithURL:[NSURL URLWithString:@"http://api.twitter.com/1/statuses/update.json"] parameters:params/*[NSDictionary dictionaryWithObject:publicText forKey:@"status"]*/ requestMethod:TWRequestMethodPOST];
                
                // Set the account used to post the tweet.
                [postRequest setAccount:twitterAccount];
                
                // Perform the request created above and create a handler block to handle the response.
                [postRequest performRequestWithHandler:^(NSData *responseData, NSHTTPURLResponse *urlResponse, NSError *error) {
                    if (!error) {
                        [Util showAlert:@"Your Tweet has been sent!" withDelegate:nil];
                    } else {
                        [Util showAlert:@"There was a problem posting your picture to Twitter. Please try again" withDelegate:nil];
                    }
                    [MBProgressHUD hideHUDForView:self.view animated:YES];
                }];
                [postRequest release];
            } else {
                [Util showAlert:@"You don't seem to have Twitter configured on your phone" withDelegate:nil];
                [MBProgressHUD hideHUDForView:self.view animated:YES];
            }
        } else {
            NSLog(@"PERMISSION NOT GRANTED");
            [MBProgressHUD hideHUDForView:self.view animated:YES];
        }
    }];
}