How to Build a Flutter App for Real-Time ROS 2 Robot Monitoring

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Developers can connect a Flutter-based monitoring app to a ROS 2 robotics stack running on an NVIDIA Jetson device using a gateway architecture. The setup involves installing a compatible ROS 2 distribution, creating a dedicated workspace, and building publisher-subscriber nodes to stream robot data. A gateway layer sits between Flutter and the ROS 2 graph, exposing metrics like battery status, pose, diagnostics, and mission state over HTTPS or WebSockets without exposing the ROS network directly. The tutorial walks through workspace setup, package creation in Python or C++, and a basic pipeline test before integrating cameras, AI models, or motor controllers. Structured ROS 2 messages are recommended over UI-specific data to keep the robotics logic decoupled from the front-end application.

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