Book Image

How to Build Android Apps with Kotlin - Second Edition

By : Alex Forrester, Eran Boudjnah, Alexandru Dumbravan, Jomar Tigcal
Book Image

How to Build Android Apps with Kotlin - Second Edition

By: Alex Forrester, Eran Boudjnah, Alexandru Dumbravan, Jomar Tigcal

Overview of this book

Looking to kick-start your app development journey with Android 13, but don’t know where to start? How to Build Android Apps with Kotlin is a comprehensive guide that will help jump-start your Android development practice. This book starts with the fundamentals of app development, enabling you to utilize Android Studio and Kotlin to get started with building Android projects. You'll learn how to create apps and run them on virtual devices through guided exercises. Progressing through the chapters, you'll delve into Android's RecyclerView to make the most of lists, images, and maps, and see how to fetch data from a web service. You'll also get to grips with testing, learning how to keep your architecture clean, understanding how to persist data, and gaining basic knowledge of the dependency injection pattern. Finally, you'll see how to publish your apps on the Google Play store. You'll work on realistic projects that are split up into bitesize exercises and activities, allowing you to challenge yourself in an enjoyable and attainable way. You'll build apps to create quizzes, read news articles, check weather reports, store recipes, retrieve movie information, and remind you where you parked your car. By the end of this book, you'll have the skills and confidence to build your own creative Android applications using Kotlin.
Table of Contents (24 chapters)
1
Part 1: Android Foundation
6
Part 2: Displaying Network Calls
12
Part 3: Testing and Code Structure
17
Part 4: Polishing and Publishing an App

Summary

In this chapter, we learned about Android permissions. We touched on the reasons for having them and saw how we could request the user’s permission to perform certain tasks. We also learned how to use Google’s Maps API and how to present the user with an interactive map.

Lastly, we leveraged our knowledge of presenting a map and requesting permissions to find out the user’s current location and present it on the map. Of course, there is a lot more that can be done with the Google Maps API, and you could explore a lot more possibilities with certain permissions.

You should now have enough understanding of the foundations to explore further. To read more about permissions, visit https://packt.link/57BdN. To read more about the Maps API, visit https://packt.link/8akrP.

In the next chapter, we will learn how to perform background tasks using Services and WorkManager. We will also learn how to present the user with notifications, even when the app is...