An animation should communicate a state change without preventing interaction or comprehension. Consider reduced-motion preferences and interrupted transitions.
Before you begin
Use a supported development setup and a small sample app. Record the toolchain, target and test device or simulator.
Work through the idea
Define a user task and the states the interface must represent. Test normal, empty and failed states as applicable, and consider larger text, narrow layouts and interrupted operations. Keep sample data fictional. Distinguish simulator checks from features that require validation on the intended physical device.
- Choose the change being explained
- Keep start and end states valid
- Test accessibility settings
Practice task
Animate the expansion of a fictional details panel and provide an immediate alternative when appropriate.
Check your result
The interface remains usable if the transition is interrupted or motion is reduced.
A mistake to avoid
Do not make essential information available only during a brief animation.
Keep a review note
Save the inputs or scenario, your reasoning and the result you checked. Explain one assumption and one case that needs more work. Revise the exercise after feedback and distinguish what you demonstrated from what remains untested.
Official reference for further study
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