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Showing posts from November, 2022

Custom Loader (Activity Indicator) in Swift

Creating a custom activity indicator in Swift allows you to tailor the appearance and behavior of your loading spinner to fit the style of your app. Here's a step-by-step guide to creating a simple custom activity indicator using UIView Step 1: Create a New Swift File for the Custom Activity Indicator Create a new Swift file and name it  RotatingCirclesView.swift . Add the following code to define a custom UIView subclass for your activity indicator: // //   RotatingCirclesView.swift //   Welcome In // //   Created by Praveen Kumar on 05/09/24. // import UIKit class RotatingCirclesView : UIView {          let circle1 = UIView ( frame : CGRect ( x : 20 , y : 20 , width : 60 , height : 60 ))     let circle2 = UIView ( frame : CGRect ( x : 120 , y : 20 , width : 60 , height : 60 ))          let position : [ CGRect ] = [ CGRect ( x : 30 , y : 20 , width : 60 , height : 60 ), CGRect ( x : 60 , y : 15 ,...
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How to Save, Fetch, Update and Delete data from Core Data using Swift 5.0

  Getting Started  Save, Fetch, Update and Delete  Core Data in Swift 5.0 Core Data is NOT an SQLite database. it is a graphical and persistence framework. CURD in swift (Create, Update, Retrieve, Delete) //MARK: -  Save  User Info Data func   addData ( user_name :  String ,  user_email :  String ,  user_dob :  String ,  imageData :  NSData ) {                   guard   let  appDelegate =  UIApplication . shared . delegate   as ?  AppDelegate   else  {              return          }          let  managedContext  = appDelegate. persistentContainer . viewContext          let  entity =  NSEntityDescription . entity ( forEntityName :  "UserInfo" ,  in : managedContext)!          ...
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Array Type JSON Parsing & JSON Serialization

     func   callApi (){         let sessionConfig = URLSessionConfiguration . default         let sessionUrl = URLSession ( configuration : sessionConfig)         let url = URL ( string : "URL" )!         let request: URLRequest = URLRequest ( url :url)         let task = sessionUrl. dataTask ( with : request){             (data, response, error) in             if error != nil {                 print (error!. localizedDescription )             } else {                 do {                     if let json = try ! JSONSerialization . jsonObject ( with : data!, options : . allowFragments ) as ? [ Any ] {            ...
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