func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {

    let cell2 = collectionV.dequeueReusableCell(withReuseIdentifier: cellIdentifier, for: indexPath) as! SelectFriendCollectionViewCell
     let cell5 = self.collectionV.cellForItem(at: indexPath) as? SelectFriendCollectionViewCell
    let Friends_avatarname  = (cell5?.avatarUsername_Outlet.text! as? String!)!
    let Friends_UID = (cell5?.avatarUID_Outlet.text! as? String!)!


    let Friend = FriendsSelectArray(avatarUID: (Friends_UID as! String?)!, avatarname: (Friends_avatarname as! String?)!)
    self.FriendsSelect.append(Friend)
    print ("Friend added :(Friend.avatarname)")

    }

func collectionView(_ collectionView: UICollectionView, didDeselectItemAt indexPath: IndexPath) {

        let cell2 = collectionV.dequeueReusableCell(withReuseIdentifier: cellIdentifier, for: indexPath) as! SelectFriendCollectionViewCell
        let cell5 = self.collectionV.cellForItem(at: indexPath) as? SelectFriendCollectionViewCell


        let Friends_avatarname  = (cell5?.avatarUsername_Outlet.text! as? String!)!
        let Friends_UID = (cell5?.avatarUID_Outlet.text! as? String!)!
        var Friend = FriendsSelectArray(avatarUID: (Friends_UID as! String?)!, avatarname: (Friends_avatarname as! String?)!)

    }

class FriendsSelectArray{
    var avatarUID: String
    var avatarname: String


    init( avatarUID: String, avatarname: String){
        self.avatarUID = avatarUID
        self.avatarname = avatarname

    }
    func returnPostAsDictionary()->NSDictionary{
        let postDictionary: NSDictionary = ["avatarUID": avatarUID,
                                            "avatarname": avatarname]
        return postDictionary
    }
}

class SelectFriendViewController: UIViewController, UICollectionViewDataSource, UICollectionViewDelegate {

    @IBOutlet weak var collectionV: UICollectionView!

    var databaseRef: DatabaseReference!
    let cellIdentifier = "cell"
    var FriendsSelect : [FriendsSelectArray] = []
    var selectedCell = [IndexPath]()