Book Image

Kotlin Programming By Example

By : Iyanu Adelekan
Book Image

Kotlin Programming By Example

By: Iyanu Adelekan

Overview of this book

Kotlin greatly reduces the verbosity of source code. With Google having announced their support for Kotlin as a first-class language for writing Android apps, now's the time learn how to create apps from scratch with Kotlin Kotlin Programming By Example takes you through the building blocks of Kotlin, such as functions and classes. You’ll explore various features of Kotlin by building three applications of varying complexity. For a quick start to Android development, we look at building a classic game, Tetris, and elaborate on object-oriented programming in Kotlin. Our next application will be a messenger app, a level up in terms of complexity. Before moving onto the third app, we take a look at data persistent methods, helping us learn about the storage and retrieval of useful applications. Our final app is a place reviewer: a web application that will make use of the Google Maps API and Place Picker. By the end of this book, you will have gained experience of of creating and deploying Android applications using Kotlin.
Table of Contents (12 chapters)

Deploying the messenger API to AWS

Deploying a Spring Boot app to Amazon Web Services (AWS) is a straightforward and enjoyable process. The deployment procedure can be done well within 10 minutes. In this section, you will learn how to deploy applications based on Spring to AWS. Before application deployment, we must set up a PostgreSQL database on AWS that the application will connect to.

Setting up PostgreSQL on AWS

The first thing you must do is create an AWS account. Go ahead and create one now by following this link: https://portal.aws.amazon.com/billing/signup#/start . Once you have signed up, login into the AWS console and head over to the Amazon Relational Database Service (RDS) (from the navigation bar, click Services...