Saving Data on Android

Chapter 11: Firebase Overview
: In this first chapter, you'll learn what Firebase is 
and why Google decided to provide a product like. You'll learn about its history and 
you'll start creating your first project using the Firebase Console. You'll also have 
the first introduction to all the products of the Firebase suite.
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Chapter 12: Introduction to Firebase Realtime Database
: In this chapter, you'll 
learn how to configure a project with the Realtime Database features provided by 
Firebase. This is a very important chapter because it contains configuration details 
that are very important also for the following chapters. You'll learn how to 
download and install into your project the JSON configuration file and how to 
manage authentication.
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