Field notes / 3 min read
A Rive file is only half the handoff.
The artboards, state machines, named inputs, and data-binding details a developer needs to integrate a Rive animation confidently.
FROM MY DESK
Start with a clear contract
For every animation, I document the artboard, state-machine name, expected interaction, and the properties the application can change. ‘Play the happy animation’ is ambiguous. ‘Trigger triggerSuccess on MainViewModel’ tells the developer exactly what the asset expects.
Give the canvas a real size
The Rive React runtime renders into a canvas that follows its container. A container with no height can make a correctly loaded file appear invisible. Reserve the animation’s aspect ratio, choose an appropriate fit, and check it at the screen sizes your product supports.
Connect the product to the animation
The React runtime supports hooks for state machines and data binding. With autoBind enabled, the runtime can use the view-model instance supplied by the Rive file. For values needed before the first frame, use the onRiveReady callback rather than waiting for a later React effect.
Test the less obvious moments
My handoff checklist includes the first frame, a repeated trigger, a long text value, returning to the screen, and reduced-motion preferences. I also check what the user sees when the animation has not loaded. A good animation should still feel like part of the product when the connection is slow.
See a real example
The Granny AI case study includes the exact artboard, state-machine, and trigger names from the supplied exports. You can change the assessment message and fire the success and sorry states yourself. That is the kind of handoff I want a developer to be able to inspect.