maxtran88

import UIKit


class ChatCollectionViewFlowLayout: UICollectionViewFlowLayout {
    
    private var topMostVisibleItem    =  Int.max
    private var bottomMostVisibleItem = -Int.max
    
    private var offset: CGFloat = 0.0
    private var visibleAttributes: [UICollectionViewLayoutAttributes]?

maxtran88

//Function to pretty-print Json Object in Swift 3
func prettyPrint(with json: [String:Any]) -> String{
  let data = try! JSONSerialization.data(withJSONObject: json, options: .prettyPrinted)
  let string = NSString(data: data, encoding: String.Encoding.utf8.rawValue)
  return string as! String
}