flipperzero-ufbt VS flipperzero-ufbt-action

Sources? No. I don't have an application folder. I use ufbt. (Forgot to write that in the post, sry)

You can build your apps for Flipper in 2 ways: either alongside main firmware, using fbt, or with ufbt. For guides and examples - see the links mentioned by others. And check out stock firmware's components, they are designed exactly the same way as user-created apps runnable from SD card.

For separate applications, better use ufbt https://pypi.org/project/ufbt/ - it's designed to be called from app's folder, is faster and easier.

You can also use ufbt https://pypi.org/project/ufbt/ for building apps outside of firmware repo - and automating application building on GitHub.

You can also use https://github.com/flipperdevices/flipperzero-ufbt for building apps - it's as lightweight as possible and doesn't bring full firmware sources. However, full sources are useful when looking for examples of API usage.

You'll need basic C knowledge. There are official docs on flipper-specific aspects of creating applications. You can also use ufbt to create and build apps outside of full firmware source tree.

You'll need to build those apps using the vanilla firmware. Try using ufbt to build them.

Right now, we already have all the tools you need to build your app and upload it to your Flipper via USB without cloning the firmware, re-flashing it, etc. The tool is called ufbt (https://github.com/flipperdevices/flipperzero-ufbt), and you can use it by creating a new folder for your code, creating the application.fam Manifest (where you define the name and the starting function aka entrypoint for your app), opening up your favorite code editor (we recommend VSCode but you can use any text editor), and writing your program as you would with Arduino (though, using our libraries instead of the incompatible arduino ones).

I'd greatly appreciate if you covered app development with ufbt - https://github.com/flipperdevices/flipperzero-ufbt (or at least mentioned its core features).

Regarding recommended build procedure - please check out ufbt. uFBT it can build apps for Flipper without bringing full firmware sources with it. It's much faster and easier to use, can update Flipper's firmware to match the SDK, provides debugging support and even has a community-developed Github action to automate builds for your apps.