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It asks for brief, purposeful motion that is optional (not the only way to convey information) and warns against sustained oscillation around 0.2 Hz, which people are especially sensitive to.\n\nCurator qualifications: Specs and guidelines read 2026-10-22; no UI tested.\n\nLimitations: Specs and guidelines read 2026-10-22; no UI tested.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://github.com/material-components/material-components-android/blob/66b0eeb53afeb6025ffbbd37734b08e5bce197ed/docs/theming/Motion.md","note":"material-components-android @66b0eeb docs/theming/Motion.md, easing and duration tables, L122-166; Apple HIG Motion (Markdown form)"},{"url":"https://developer.apple.com/design/human-interface-guidelines/motion.md","note":"material-components-android @66b0eeb docs/theming/Motion.md, easing and duration tables, L122-166; Apple HIG Motion (Markdown form)"}]},"categories":["T11","T17"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://github.com/material-components/material-components-android/blob/66b0eeb53afeb6025ffbbd37734b08e5bce197ed/docs/theming/Motion.md","claim":"Material Components for Android defines 16 motion duration tokens from 50 ms to 1000 ms and seven easing curves (standard cubic-bezier(0.2, 0, 0, 1); emphasized-decelerate (0.05, 0.7, 0.1, 1)), and says duration should grow with how far the animation travels. 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