 let buttonAnimationDuration = 1.0
 let heightConstant : CGFloat = 130
 
-class HomeViewController: UIViewController, UINavigationControllerDelegate {
+class HomeViewController: UIViewController {
     
     let filterNames = [FilterName.blackAndWhite, FilterName.comicEffect, FilterName.distorted, FilterName.lineOverlay, FilterName.vintage]
     

}

//MARK: UIImagePickerController Delegate
extension HomeViewController :  UIImagePickerControllerDelegate {
    func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
        self.dismiss(animated: true, completion: nil)
    }

    @IBOutlet weak var filterButtonTopConstraint: NSLayoutConstraint!
    @IBOutlet weak var postButtonBottomConstraint: NSLayoutConstraint!
    @IBOutlet weak var collectionViewHeightConstraint: NSLayoutConstraint!
    @IBOutlet weak var collectionView: UICollectionView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
