JSQMessagesViewController for Swift

gistfile1.swift

import UIKit

class MsgVC: JSQMessagesViewController {

    var msg:JSQMessage!
    var outBubble:JSQMessageBubbleImageDataSource!
    
    override func viewDidLoad() {
        initThisView()
        
        self.outBubble = JSQMessagesBubbleImageFactory().outgoingMessagesBubbleImageWithColor(UIColor.jsq_messageBubbleBlueColor())

        
    }
    
    func initThisView() {
        self.view.backgroundColor = UIColor.whiteColor()
        self.msg = JSQMessage(senderId: "SuperUniqId", senderDisplayName: "SomeName", date: NSDate(), text: "Ichy, Knee, San, Chee, Go !..")
    }
    
    override func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return 10
    }
    
    override func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
//        let cell = super.collectionView(collectionView, cellForItemAtIndexPath: indexPath) as JSQMessagesCollectionViewCell
        
        let cell = JSQMessagesCollectionViewCell(frame: CGRectMake(0.0, 0.0, 100.0, 100.0))
        
        cell.textView.text = self.msg.text
        
        return cell
    }
}

extension MsgVC: JSQMessagesCollectionViewDataSource {
    
    func senderDisplayName() -> String! {
        return "SomeName"
    }
    
    func senderId() -> String! {
        return "123"
    }
    
    override func collectionView(collectionView: JSQMessagesCollectionView!, messageDataForItemAtIndexPath indexPath: NSIndexPath!) -> JSQMessageData! {
        
        return self.msg
    }
    
    override func collectionView(collectionView: JSQMessagesCollectionView!, messageBubbleImageDataForItemAtIndexPath indexPath: NSIndexPath!) -> JSQMessageBubbleImageDataSource! {
        
        return self.outBubble
    }
    
    override func collectionView(collectionView: JSQMessagesCollectionView!, avatarImageDataForItemAtIndexPath indexPath: NSIndexPath!) -> JSQMessageAvatarImageDataSource! {
        return nil
    }
}

extension MsgVC: JSQMessagesCollectionViewDelegateFlowLayout {

}

HI, @Katafalkas
this is great code but didnt work well.
I installed JSQMessagesViewController by pod. and just copied and pated this code and seted up this to viewcontroller. However, it didn't work well.
what can be the problem.
There was no error. but just default screen came.