From amateur to expert developer, our tutorials will show you to develop an app for Nextcloud, as well as how to reproduce bugs and do basic troubleshooting.
At Nextcloud, we focus on open source app development and are committed to providing our community all the tools they need to transform their ideas into real Nextcloud apps.
Get all the basics to build your app: authentication, file handling & sharing, access control, mobile & desktop clients, and more.
As all of the code at Nextcloud is open source, you can draw inspiration from the code of other apps.
Be part of the awesome open-source community that is welcoming and encouraging.
With between 200k-300k Nextcloud servers on the web, the most downloaded apps are installed on over 100k servers and have millions of users!
If you create an app, extension or integration, Nextcloud will help you promote it. We are happy to work with you!
If you build an app, script, extension or tool as a business endeavor, we will be happy to support your effort. We love our ecosystem and want you to benefit from it!
Read on to discover our new Nextcloud App development tutorials, including setting up your environment, developing your actual app, testing, and troubleshooting.
Dive right in by setting up your environment, locally or in GitHub Codespaces.
If you prefer to work locally, we offer tutorials for Ubuntu, Mac, and Windows. Depending on your operating system, this will take between half an hour to a few hours to set up.
You can also use this video explaining how to set up your development environment on a Mac operating system:
Do you prefer to work in GitHub? This tutorial offers a great solution for workshops or if you just quickly want to dip your toes in Nextcloud development.
With this development environment, you can follow the “Hello World” app development tutorial and the “ToGif” ExApp development tutorial.
Now you’re ready to start developing your app! At Nextcloud, you will find tutorials to:
Once done, you can start on the next tutorial: Developing a dashboard widget with Vue.js. With a widget you can make your app really come alive on the Nextcloud dashboard.
And you don’t need any Javascript knowledge to make it happen.
Do you want to go a bit further? Integrate your with an external provider with Smart Picker to create integrations and interactions with my different Nextcloud apps.
This includes Nextcloud Text, Nextcloud Talk, Nextcloud Notes, Nextcloud Deck, Nextcloud Collectives, and Nextcloud Mail.
With the next tutorial, you will learn how to develop a basic but complete app that can take notes. Based on that example, you can create your own app with a navigation bar and database.
For this tutorial you should have a development environment created through the Nextcloud Docker setup. This is the only Nextcloud instance that you need for this tutorial as everything will happen in this instance.
After you’ve set up your own app, you can learn how to add automated tests with GitHub Actions, a continuous integration and continuous delivery (CI/CD) platform to automate your development workflow.
With GitHub Actions, app developers like you don’t have to deploy a test environment for all the different Nextcloud, PHP and database system versions.
After the tutorial you will know how to:
The previously mentioned tutorials show you how to develop Nextcloud apps using PHP, but some developers do not want to use PHP for various reasons.
That’s why we have developed an API that allows developers to write Nextcloud apps in any desired programming language. We call these “ExApps” (short for “external apps”).
With ExApps, you can integrate complex computational functions, such as machine learning, to be deployed on external hardware. With Nextcloud Hub 10, we worked on the AppAPI to make it even more robust and ready for a big variety of apps.
In our tutorial, you will learn how to develop an ExApp in Python, but similar principles can be applied to any other programming language as well.
Is your app not functioning as expected? Do you not know why the code is not working properly? Then it’s time for some basic troubleshooting tips, including:
Of course, it’s better to prevent than to cure. That’s why you can launch different versions of Nextcloud to reproduce bugs, test pull requests (PRs), or test user experience (UX) changes.
See all of our developer tutorials, featured apps, and more!
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