Book Image

Kotlin Blueprints

By : Ashish Belagali, Akshay Chordiya, Hardik Trivedi
Book Image

Kotlin Blueprints

By: Ashish Belagali, Akshay Chordiya, Hardik Trivedi

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.
Table of Contents (16 chapters)
Title Page
About the Authors
About the Reviewer
Customer Feedback


Here is the technology stack we are going to use:

  • Frontend:
    • Basic HTML
    • CSS with Bootstrap framework
    • JavaScript with a jQuery plugin
    • Open Layers: To show the map to the user
  • Backend:
    • Spring Boot
    • Kotlin
  • Database:
    • PostGIS: Extension of PostgreSQL for geospatial operations
    • Exposed: ORM for SQL operations

The following illustration is a representation of the technology stack we will use:

Setting up the IDE

We will be using IntelliJ Ultimate throughout this chapter to build the geospatial messenger application. You can use any other IDE like Eclipse or download IntelliJ Ultimate from the following link:

Creating a project

Create a new project in IntelliJ, select Gradle and add the dependencies related to Spring Boot and Kotlin mentioned in the following screenshot. 

Here are the following steps:

  1. Open IntelliJ.
  2. Click File | New | Project.
  3. Select Gradle with Kotlin and web:

You can also use: to create a starter template with Spring Boot...