Accordion

v1.1

An accordion is a tool used to hide and reveal content as part of progressive disclosure. Tapping the icon button on each accordion row will expand or collapse the content.

Stylized artwork of an accordion.

Guidelines

Motion specs

The Accordion component will animate to expand and collapse each row.

Expand

1. Container + text

Shape

  • Close → Open
  • Duration: motion.duration.medium.3
  • Ease: motion.easing.standard


Text opacity

  • 0% → 100%
  • Duration: motion.duration.medium.2
  • Ease: motion.easing.continuous

2. Chevron

Chevron position (Y) 1

  • Delay: motion.duration.short.1
  • 0 → +7px down
  • Duration: motion.duration.medium.1
  • Ease: motion.easing.standard

Chevron position (Y) 2

  • +7px down → 0
  • Duration: motion.duration.short.3
  • Ease: motion.easing.standard


Chevron rotation

  • Delay: motion.duration.short.1
  • 0° → 180°
  • Duration: motion.duration.short.1
  • No easing, rotation should hold until next keyframe

Collapse

1. Container + text

Shape

  • Open → Close
  • Duration: motion.duration.medium.1
  • Ease: motion.easing.standard


Text opacity

  • 100% → 0%
  • Duration: motion.duration.short.3
  • Ease: motion.easing.continuous

2. Chevron

Chevron position (Y) 1

  • Delay: motion.duration.short.1
  • 0 → +7px down
  • Duration: motion.duration.medium.1
  • Ease: motion.easing.standard

Chevron position (Y) 2

  • +7px down → 0
  • Duration: motion.duration.short.3
  • Ease: motion.easing.standard


Chevron rotation

  • Delay: motion.duration.short.1
  • 180° → 0°
  • Duration: motion.duration.short.1
  • No easing, rotation should hold until next keyframe