Kotlin Blueprints

By : Belagali, Trivedi, Akshay Chordiya

4.5 (2)

Buy this Book

Kotlin Blueprints

4.5 (2)

By: Belagali, Trivedi, Akshay Chordiya

Buy this Book

Overview of this book

Kotlin is a powerful language that has applications in a wide variety of fields. It is a concise, safe, interoperable, and tool-friendly language. The Android team has also announced first-class support for Kotlin, which is an added boost to the language. Kotlin’s growth is fueled through carefully designed business and technology benefits. The collection of projects demonstrates the versatility of the language and enables you to build standalone applications on your own. You’ll build comprehensive applications using the various features of Kotlin. Scale, performance, and high availability lie at the heart of the projects, and the lessons learned throughout this book. You’ll learn how to build a social media aggregator app that will help you efficiently track various feeds, develop a geospatial webservice with Kotlin and Spring Boot, build responsive web applications with Kotlin, build a REST API for a news feed reader, and build a server-side chat application with Kotlin. It also covers the various libraries and frameworks used in the projects. Through the course of building applications, you’ll not only get to grips with the various features of Kotlin, but you’ll also discover how to design and prototype professional-grade applications.

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

The Power of Kotlin

Kotlin – a better Java

Kotlin's winning strategy

Summary

Geospatial Messenger – Spring Boot

Why Spring Boot?

Let's build our geospatial messenger

Architecture

Setting up the build script

Coding the application

Testing

Pro-tips

Summary

Social Media Aggregator Android App

Setting up Kotlin

Creating a social media aggregator

Summary

Weather App Using Kotlin for JavaScript

Creating your first Kotlin and JavaScript project

Developing a weather forecast web app

Interoperability with JavaScript

Summary

Chat Application with Server-Side JavaScript Generation

Creating our first Node.js app using Kotlin

Creating a chat application

Summary

News Feed – REST API

What is REST?

What is Ktor?

Let's build our news application

Setting up the build script

Let's code!

Testing

Summary

CSV Reader in Kotlin Native

What is Kotlin Native?

Installing Kotlin Native

Building our app

Multiplatform Kotlin

Summary

Dictionary Desktop Application - TornadoFX

Introducing TornadoFX

Let's build our dictionary application

Let's code!

Launching the application

Summary

Customer Reviews

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Social Media Aggregator Android App

We have seen the power of Kotlin for Spring Boot. However, building a mobile application is different. It's much more compact compared to browser apps, they have to be delivered fast. It has to be 10 times faster in terms of processing user input.

Kotlin's features along with its compiler's support for the Android app development makes developing Android apps much easier, interesting, and productive. The biggest advantage of using Kotlin is its Null Safety feature. NullPointerException is the foe for any Android apps and is a nightmare for developers. Kotlin simply kills the possibility of NullPointerException. It also has a robust API also. Apart from Null Safety Kotlin has features such as extension function, Lambdas, delegated properties, and functions such as let, apply, with, and when. All this makes Android app development...