Flutter-Pi

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flutter-pi is a lightweight Flutter Engine Embedder for Linux Embedded systems that runs without X11 or Wayland. It enables developers to run Flutter applications efficiently on devices like the Raspberry Pi.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Skill level

Technical

About

What is flutter-pi?

flutter-pi is a lightweight Flutter Engine Embedder specifically designed for Linux Embedded systems, allowing Flutter applications to run without the need for X11 or Wayland. This makes it ideal for resource-constrained devices such as the Raspberry Pi. The tool supports various ARM and x86 architectures, ensuring compatibility with a range of embedded platforms. Developers can build and deploy Flutter apps using the `flutterpi_tool`, which simplifies the process for different CPU architectures and release modes. It requires hardware 3D acceleration and support for kernel-modesetting (KMS) and direct rendering infrastructure (DRI). The project also provides guidelines for building the engine and integrating plugins, offering flexibility for custom solutions.

Best used for

Ideal for developers who need to deploy Flutter applications on embedded Linux systems, create custom user interfaces for IoT devices, and optimize performance on resource-constrained hardware. Especially valuable for projects requiring a lightweight Flutter environment without traditional display servers like X11 or Wayland.

Common actions

deploy Flutter apps

develop embedded systems

optimize performance

build custom UIs

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Capabilities

Key features

Runs without X11/Wayland
Flutter Engine Embedder
Supports Raspberry Pi
ARM/x86 architecture support
Simplified app building tool
Hardware 3D acceleration

Target Audience

developer

Integrations

Not yet documented

Pricing & Plans

Open Source

Free

FAQs

What Raspberry Pi models are supported by flutter-pi?

flutter-pi is known to work on Raspberry Pi 2, 3, 4 (including 512MB models), and Pi Zero 2 (W). It requires support for hardware 3D acceleration and KMS/DRI, meaning it won't work on the original Pi Zero or Pi 1.

Can flutter-pi run any Flutter app?

Theoretically, yes. flutter-pi can run any Flutter app, including those using packages and plugins. However, for plugins with native code, you might need to build the platform-specific side of those plugins yourself to ensure full compatibility.

Does flutter-pi require X11 or Wayland?

No, flutter-pi is specifically designed to run without X11 or Wayland. This allows it to boot directly into the command-line, making it suitable for embedded systems where a full desktop environment is unnecessary or undesirable.

What are the GPU memory requirements for flutter-pi?

flutter-pi generally requires configuring 64MB of GPU memory on the Raspberry Pi. While 16MB might work, 64MB is specifically needed if you plan to use plugins like omxplayer_video_player for video playback.

How do I build a Flutter app for flutter-pi?

You can build your Flutter app for flutter-pi using the `flutterpi_tool` on your development machine. This tool simplifies building the app bundle for specific architectures (e.g., ARM 32-bit or 64-bit) and release modes, which can then be deployed to your Raspberry Pi.

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