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Android Development Masterclass

Using Firebase Storage for Saving Files and Images

Explore how to use Firebase Cloud Storage to upload and download image files within your Android application. Understand the setup of Firebase Storage, initialize storage references, and implement functions to handle in-memory images, upload data, and retrieve files from the cloud with code examples. This lesson helps you manage user content efficiently with reliable cloud storage services.

We'll cover the following...

Introduction

Firebase Cloud Storage is a service that allows us to upload and share user data, such as images and videos. Internally, the data is stored in a Google Cloud Storage bucket but using Firebase Cloud Storage. Using cloud storage, we can upload files directly from our app and ensure high availability and redundancy.

We’ll learn to use Firebase Cloud Storage for uploading and downloading image files.

Note: We need to create a Firebase project and configure the app before we can start using Firebase Storage in the project.

Add a library dependency

Let’s start by adding the dependency for Firebase Cloud Storage in the app/build.gradle file.

C++
dependencies {
    implementation platform('com.google.firebase:firebase-bom:29.0.4')
    // add cloud storage dependency
    implementation 'com.google.firebase:firebase-storage-ktx'
}

Initialize Firebase Storage reference

Next, initialize the Firebase Storage reference by creating an ...