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  • Use Collection View in swift

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    Hi,

    Step's required to use collectionView in Swift

    1- Add collection View in your project

    2- Set the delegate for collection view in controller

    3- Collection view has a prototype cell, you can design accordingly you want.

    4- Create a subclass of UICollectionViewCell (You can name it as - MyCollectionViewCell).

    5- Assign class to prototype cell

    6- Create the outlet for the CollectionViewCell elements

    7- set an identifier for the cell (For Example - "CollectionCellID")

    8- Implement the following code in your ViewController Class

    also, Assign a value to

    let reuseIdentifier = "CollectionCellID"

     

    9- Create an array for element like
     

    var arrayOfelement : NSMutableArray = []
    for  i in 1...15 {
                arrayOfelement.addObject(i)
                
            }
    //MARK : DELEGATE METHOD FOR COLLECTION VIEW
    //These method are in ViewController.swift class
    
    func numberOfSectionsInCollectionView(collectionView: UICollectionView) -> Int {
            return 1
        }
        
        func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
            
        return arrayOfelement.count
        }
        
        func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
            let cell = collectionView.dequeueReusableCellWithReuseIdentifier(reuseIdentifier, forIndexPath: indexPath) as! MyCollectionViewCell
            cell.setCellData(String(arrayOfelement.objectAtIndex(indexPath.row))
            return cell
        }
        
        func collectionView(collectionView: UICollectionView, didSelectItemAtIndexPath indexPath: NSIndexPath) {
            print("selected item == \(indexPath.row)")
        }

     

    10 - In your MyCollectionVIewCell create a method setCellData (Here i have a lable in my Cell , So here i am setting the text to my Lable)

     

    11 - Here is the code for my MyCollectionViewCell Class

    class MyCollectionViewCell: UICollectionViewCell {
        @IBOutlet weak var txtlbl : UILabel?
        
        
        func setCellData(text:String) -> Void {
            print("Hello sdat == \(text)")
            txtlbl?.text = text
            
        }
    }

     

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