/**
 * Method presents a modal view controller and uses non deprecated method in iOS 6
 */
- (void)presentCameraViewController:(UIViewController*)cameraViewController isModal:(BOOL)isModal {
    if (isModal) {
        cameraViewController.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
        cameraViewController.modalPresentationStyle = UIModalPresentationFullScreen;

        if ([self respondsToSelector:@selector(presentViewController:animated:completion:)]) {
            [self presentViewController:cameraViewController animated:YES completion:nil];
        } else {
            [self presentModalViewController:cameraViewController animated:YES];
        }
    } else {
        [[self navigationController] pushViewController:cameraViewController animated:YES];
    }
}

/**
 * Method dismisses a modal view controller and uses non deprecated method in iOS 6
 */
- (void)dismissCameraViewControllerModal:(BOOL)isModal {
    if (isModal) {
        if ([self respondsToSelector:@selector(dismissViewControllerAnimated:completion:)]) {
            [self dismissViewControllerAnimated:YES completion:nil];
        } else {
            [self dismissModalViewControllerAnimated:YES];
        }
    }
}