Delpin Susai Raj Tuesday, 29 January 2019

Xamarin.Forms - Working with Firebase Storage CRUD Operations

In this blog post, you will learn how to Upload, Download and Delete file using Firebase Storage in Xamarin.Forms.


Introduction

Xamarin.Forms - Working With Firebase Realtime Database CRUD Operations



Xamarin.Forms code runs on multiple platforms - each of which has its own filesystem. This means that reading and writing files is most easily done using the native file APIs on each platform. Alternatively, embedded resources are a simpler solution to distribute data files with an app.

Firebase

Firebase gives you functionality like analytics, databases, messaging and crash reporting so you can move quickly and focus on your users.



Firebase is a backend platform for building Web, Android, and iOS applications. It offers real-time database, different APIs, multiple authentication types and hosting platform. This is an introductory tutorial, which covers the basics of the Firebase platform and explains how to deal with its various components and sub-components.

Build apps with Firebase
  • Real-time Database
  • Storage
  • Notifications
  • Authentication
  • Hosting
Prerequisites
  • Visual Studio 2017 or Later(Windows or Mac)
  • Setting up a Xamarin.Forms Project
Start by creating a new Xamarin.Forms project. You’ll learn more by going through the steps yourself.or download the source here
https://github.com/susairajs/Xamarin-Firebase-Storage

Visual Studio 2019 has more options in the opening window. Clone or check out the code from any repository or, open a project or solution for your computer.

Now, you need to click "Create a new project".


Now, filter by Project Type: Mobile
Choose the Mobile App (Xamarin. forms) project under C# and Mobile.


Name your app. You probably want your project and solution to use the same name as your app. Put it on your preferred location for projects and click "Create".


Now, select the blank app and target platforms - Android, iOS and Windows (UWP).


Subsequently, go to the solution. In there, you get all the files and sources of your project (.NET Standard). Now, select XAML page and double-click to open the MainPage.Xaml page.

You now have a basic Xamarin.Forms app. Click the Play button to try it out.


Create a project in Firebase

In this step, create a project in Firebase. Go to the following link.

https://console.firebase.google.com/

Click "Add Project".


Now, Give the project name and select your country then Read the terms. Afterward, click "Create project".



Now, your project is ready, click continue.


In this step Choose Storage under the Project Overview.



Now, you will change the following Storage Rules Afterward, click "Publish".


Now, your Firebase Storage ready. you can use your Storage API URI here.


Setting up the User Interface

Go to MainPage.Xaml and write the following code.

MainPage.xaml


Click the Play button to try it out.



NuGet Packages

Now, add the following NuGet Packages.


  • Xam.Plugin.Media
  • Firebase.Storage


Add FirebaseDatabase.net NuGet

Go to Solution Explorer and select your solution. Right-click and select "Manage NuGet Packages for Solution". Search "FirebaseDatabase.net" and add Package. Remember to install it for each project (.NET Standard, Android, iO, and UWP).




Connect Firebase

Now, Write the following code Connect your Firebase Storage


Upload

Now, write the code to upload file to Firebase Storage.

FirebaseStorageHelper.cs

MainPage.Xaml.cs

Click the Play button to try it out.





Download

Now, write the following code to download file from firebase Storage.

Click the Play button to try it out.



Delete

Now, write the following code to Delete file from firebase storage.

Click the Play button to try it out.





Full code

FirebaseStorageHelper.cs


MainPage.Xaml.cs


I hope you have understood, how to Upload, Download and Delete file using Firebase Storage in Xamarin.Forms. Thanks for reading. Please share your comments and feedback.

Happy Coding :)

9 comments:

  1. Woah!! Such a piece of the nice information you have shared here, I have read the entire post and I must say that the information is very helpful for me.
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  3. this solved my problem. Thumbs up man

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  4. how i can connect with your example offline as well and then sync when goes online?

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