Swift

This page contains different code snippets on how to work with Dictionary in Swift. Create Empty Dictionary // Create an empty dictionary let myDictionary = [String:String]() // Another way to create an empty dictionary let myDictionary2:[String:String] = [:] // Keys in dictionary can also be of type Int let myDictionary3 = [Int:String]()   Add Item…

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In this very short Swift tutorial, you will learn how to loop or iterate over a dictionary in Swift and print out key/value pairs. Loop Through Dictionary // Create a Dictionary with two elements var myDictionary = [“first_name”: “Sergey”, “last_name”: “Kargopolov”] // Loop through dictionary and print key/value pair for (key,value) in myDictionary { print(“\(key)…

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In this Swift tutorial, you will learn how to use the flatMap function in Swift which will flatten an Array of Arrays into a single array of elements. Given Array of Arrays Let’s consider the following Array of Arrays. let numbers = [ [1,2,3,4], [5,6,7,8], [9,10,11,12]] The above array contains 3 arrays of integers. We can…

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To practice Swift programming and learn how to create and position UI elements programmatically in Swift you can use Xcode to create a new project or you can use Xcode Playgrounds. In this short tutorial you will learn how to use Xcode Playgrounds to run Swift code that creates a new UIView with a single…

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The below code example in Swift demonstrates how you can extend classes in Swift. Extending Class in Swift As an example, let’s learn how we can extend class Int.  Create a new Swift file in your current project and add there the following extension with a function that substructs a value. extension Int { func…

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In Swift, a class or a struct can have multiple initializers which are used to create an instance of that particular type and set up its initial state. The code examples below show how to define a class with single or multiple initializers and how to create an instance of that class. Single Initializer class…

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hisI am becoming a big fun of Serverless architecture in the cloud and recently started reading a lot on how to build RESTful Web Services in the Cloud without starting your own server. Of course, I quickly came across Firebasebase Cloud Functions and I liked it a lot. Firebase Cloud Functions is one of those…

The post Firebase Cloud Functions with Swift appeared first on Swift Developer Blog.

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With this blog post, I would like to share with you how to send Silent Push Notification using CURL or Postman HTTP client via Firebase Cloud Messaging and how to receive silent push messages in your mobile app built with Swift. Silent push messages when received by your mobile app are not displayed to user…

The post Silent Remote Notifications with Swift and Firebase appeared first on Swift Developer Blog.

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The category “Swift” has been updated with a few very useful links which contain many video tutorials and code examples that will help you build many features for your mobile application with Swift. User registration, sign in and sign out video tutorials The set of 15 video tutorials on how to create user registration, login and logout will…

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