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 [code language=”swift”]var fruits = ["Apple","Orange","Grape","Mango"] let […]
Swift
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 […]
Debugging Swift App in Xcode
Any beginner iOS developer should be aware of the NSLog statement. This is quite frequently used to debug Objective-C programs. In Swift you can use println or print statement instead of NSLog to write the debug information to the console log. [code language=”swift”]var primeFlag:Bool = true println("input number is \(number)") if ((number == 2) || […]
Test Driven Development in Swift
Here is a beginner tutorial on TDD in Swift by writing a program that checks for a prime number. Let us start by creating a new project, selecting template as Single View Application. Though we won’t be adding anything to the storyboard as we will focus only on the business logic. After creating the project, […]
Integrating Stripe in Swift for iOS development
Stripe is payment gateway that can be integrated with any website and mobile apps. In this tutorial we will see a quick and simple integration of Stripe in Swift for iOS development using Stripe documentation for iOS. This hands on tutorial will help you to familiarise yourself in Validating and creating token using Stripe IOS […]
Quotes app – Simple page based application in Swift
This is a very basic tutorial on how to create a simple page based app in Swift. We are going to use Page Based Application project template for displaying quotes in different pages. Create Page-Based Application in Swift Click Xcode File menu, navigate to New and select Project from sub menu list. Select Page-Based […]
Internationalization and localization of Apps in Xcode 6 and Swift
Internationalisation and Localization of apps is essential when you want the apps to seamlessly support different languages and region. Internationalization refers to process of providing a framework to the app for supporting multiple languages. And Localization refers to the process of making your app to support a particular locale such as German In this tutorial, […]
BlogReader App in Swift
In this iOS development tutorial, we will see how to write a blog feed Reader app in Swift Programming Language. For this demo, let us take the blog feed (https://rshankar.com/feed) from Learning Swift and iOS Development blog. This is a WordPress blog and the number of posts in the feed is set to 10 (This […]