Tag: Apple
Class and Struct in Swift
Download the playground file from github (Classes and Struct) Class A class is a blue print for a real-word entity such Player, Person etc. and it is used for creating objects. Class can have properties to store values and methods to add behaviour. Let us see this with an example class called Rectangle which has…
Optional binding and Optional Chaining
Swift has a feature that lets users to assign optional value to a variable or a constant. Optional variable or constant can contain a value or a nil value. Let us take the following example which tries to find a given string in a array of string. Optional Binding var fruits = [“Apple”,”Orange”,”Grape”,”Mango”] let searchIndex…
Get your current address in Swift (Swift 5)
In this Swift tutorial, we will see the steps required for using CoreLocation framework and retrieve the latitude and longitude of the location. Then use the CLGeocoder to reverse geocode the latitude and longitude details. This is a very basic tutorial that retrieves the location details on tap of a button and displays the information…
Swift Basics – Beginners Tutorial
Swift Basics Swift is a powerful and intuitive programming language developed by Apple for creating apps for iOS, iPadOS, macOS, and other Apple platforms. It builds upon the best features of C and Objective-C while introducing modern programming concepts to make coding safer and more efficient. Introduction to Swift Swift was designed to be friendly…
Retrieve list of Twitter followers using Swift
This article provides details about the the steps required to retrieve the followers in from your twitter account. You will learn the following by going through this article Use oAuth to retrieve bearer token. Retrieve twitter followers using API call. Last 20 followers name and profile image will be displayed in a tableview. Download the…
UITextFieldDelegate in Swift
This is a beginners tutorial on UITextFieldDelegate in Swift. We are going to see how to use UITextFieldDelegate by writing a Simple Interest Calculator. Download the source code from here This calculator uses UILabels and TextFields for displaying and accepting amount and interest. We are going to use the UITextFieldDelegate method to navigate from “Principal…
payworks SDK integration in Swift
payworks mPOS helps app developers to integrate their App with card reader. In this tutorial, we will see a sample app that integrates payworks mPOS using Swift. Download the source code from github Select New Project and choose Single View Application from the template. In the Project Options window, provide a product name and make…