Skip to main content

One Line JSON Parsing Swift 4 Simple Example


 One Line Parsing JSON in Swift 4.0 With Codable or Decodle

 Swift 4 includes a new way to generate and parse JSON with Swift Codable protocol.


 JSON:-
{
"name" = Rahul'
"id" = 10
"collage" = RTS Collage
"code" = A190
}
 Start:-
 import UIKit
struct  Profile: Codable {
let name: String
let id: Int
let  collage: String
let code: String

 Convert Item(Profile) to JSON
 init?(json: [String: Any]){
 guard let name = json["name" ] as?  String,
           let id= json["id" ] as?  Int,
           let collage= json["collage"  ]as?  String,
           let code= json["code" ] as?  String, else { return nil}
 self.name = name
self.id = id
self.collage = collage
self.code = code
}
}
class ViewController: UIViewController {
  guard let url = URL(string: "https://xxxxxxxxxx") else {return}
  URLSession.shared.dataTask(with: url) { (data, response  , error) in   
   guard let data = data else {return}
    do{
           let decoder = try JSONDecoder().decoder(Profile.self, from: data)
 // check access data......
         print(decoder.name)         
     } catch let err{
        print("Err", err)
     }
   }.resume()
}


Comments

Popular posts from this blog

Add a Scene Delegate to your existing project with Storyboard in Swift

To add a scene delegate, first, create a new Swift file that you’ll call "SceneDelegate" containing a subclass of UIResponder, just like the AppDelegate, and that conforms to UIWindowSceneDelegate.  As your app might supports other versions than iOS 13, make this class only available for iOS 13. This is what you should have : If you are working a project that is storyboard based, please set storyboard  initial view controller SceneDelegate.swift import UIKit @available ( iOS 13.0 , *) class SceneDelegate : UIResponder , UIWindowSceneDelegate {     var window : UIWindow ?     func scene ( _ scene: UIScene , willConnectTo session: UISceneSession , options connectionOptions: UIScene . ConnectionOptions ) {                  let storyboard = UIStoryboard (name: "Main" , bundle: nil )         let initialViewController = storyboard. instantiateViewController (withIdentifier: "ViewController" )         let mainNavigationController = UINavigationControlle

How Create Animated Circle Progress Bar iOS 11 Swift 4

  Animated Circle Progress Bar iOS 11 Swift 4 With MBCircularProgressBa r - https://github.com/MatiBot/MBCircularProgressBar A circular, animatable & highly customizable progress bar from the Interface Builder Swift, Using pod fite MBCircularProgressBar Installation Cocoapods terminal. pod "MBCircularProgressBar" That - A Simple Steps to installed pod file -        Open terminal        Command on terminal go to project folder Cd path        set your project path on terminal.        command : pod init        open pod file - open -e podfile        added in pod file with in : pod "MBCircularProgressBar"        Command : Pod install        Close project of Xcode        open your Project from terminals        Command : open PodDemos.xcworkspace After opern StoryBoard and Now drag a UIView over the viewController in storyboard Or set UIView Constraint width, height or verticle or horzentail space and set a class MBCircul

How to Use Multiple Sections in UITableView iOS Swift !

Multiple sections in UITableView iOS Swift. UITableView is very important part of iOS ecosystem. So we split tableviews in sections. Then its easier to find right information.  1. First let’s create a project as usual. Create a new single view application X code project. Set project name to UIViewController.  2. Go to main storyboard & select view controller & use UITableView 3. Select tableview & make it initial view controller  4 Create a custom Sections Class like Name => TableSections, create register cell static return “ getCellNibs ” method. Then create  4 section enum “TableItems” then after append all sections to an array model. import UIKit struct CellNib {      static func getCellNibs () -> [ String ] {          return [ "Cell1" , "Cell2" , "Cell3" , "Cell4" ]     } } enum TableItems : Int {      case TableSections1      case TableSections2      case TableSections3      case TableSections4 } class TableSec