refactor: modernize non standard components to the latest MD3 spec by MrMuzyk · Pull Request #5016 · callstack/react-native-paper

MrMuzyk · 2026-06-29T13:55:22Z

Motivation

Modernizes the remaining non-standard components — Avatar, Banner, and DataTable — to the latest MD3 spec by adopting the recently added theme tokens (shape, motion, typography, colors).

Changes

Avatar (AvatarIcon, AvatarText, AvatarImage, new utils.ts)

Colors: default primary + getContrastingColor(white) → MD3 container pair primaryContainer / onPrimaryContainer. Custom backgrounds keep the getContrastingColor
luminance fallback (arbitrary per-user colors have no on- role).
Shape: borderRadius: size / 2 → cornerFull (9999) from src/theme/tokens/sys/shape.
Typography: AvatarText spreads theme.fonts.titleMedium (family/weight/letterSpacing) before its proportional fontSize/lineHeight.
Structure: new src/components/Avatar/utils.ts (DEFAULT_SIZE = 64, ICON_SIZE_RATIO = 0.6, resolveAvatarColors) shared by the three files; removes the duplicated
defaultSize constant.

Banner (Banner.tsx)

Motion: durations 250 * scale / 200 * scale → theme.motion.duration.medium1 / short4 (values unchanged), plus easing: Easing.bezier(...theme.motion.easing.standard). Dropped the legacy * scale multiplier to match how Switch/Checkbox adopted motion tokens.
Icon size: size={40} → const ICON_SIZE = 40.

DataTable (DataTableTitle, DataTableCell, DataTablePagination)

Typography: header → variant="labelMedium" (keeps 12px; lineHeight: 24 retained to stay vertically aligned with the 24dp sort icon); cell → variant="bodyMedium"; pagination labels → variant="bodySmall".
Motion: sort-arrow spin duration: 150 → theme.motion.duration.short3 (unchanged value) + easing.standard.

Visual / behavioral changes (no public API changed)

Avatar's default tone flips from solid primary + white content to the primaryContainer / onPrimaryContainer pair.
Banner & DataTable animations now use the MD3 standard easing curve (was RN's default ease-in-out); Banner no longer scales its duration by theme.animation.scale.
DataTable header gains MD3 label tracking (letterSpacing: 0.5).

Related issue

#4990

Test plan

yarn typescript
yarn lint
yarn test
Visual verification (yarn example web):
- Avatar — Icon/Text/Image render circular with the new tonal default; custom-colored avatars stay legible
- Banner — show/hide animates correctly via the FAB toggle
- DataTable — column title sits vertically centered with the sort icon, cell/pagination text reads well, sort arrow still animates on header press

banner.mp4

MikitasK

nicely done 👏
just one comment to consider before merge:

MikitasK · 2026-08-19T18:00:54Z

      // show
      Animated.timing(position, {
-        duration: 250 * scale,
+        duration: duration.medium1,


could we keep using theme.animation.scale here? PaperProvider sets it to 0 here for reduced motion

Suggested change

duration: duration.medium1,

duration: duration.medium1 * scale,

MikitasK · 2026-08-19T18:01:27Z

      // hide
      Animated.timing(position, {
-        duration: 200 * scale,
+        duration: duration.short4,


same here

Suggested change

duration: duration.short4,

duration: duration.short4 * scale,

JKobrynski · 2026-08-24T13:42:55Z

@@ -159,20 +161,22 @@ const Banner = ({
    if (visible) {
      // show
      Animated.timing(position, {
-        duration: 250 * scale,
+        duration: duration.medium1 * scale,
        toValue: 1,
        useNativeDriver: false,
+        easing: Easing.bezier(...easing.standard),
      }).start(showCallback);
    } else {
      // hide
      Animated.timing(position, {
-        duration: 200 * scale,
+        duration: duration.short4 * scale,
        toValue: 0,
        useNativeDriver: false,
+        easing: Easing.bezier(...easing.standard),
      }).start(hideCallback);
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [visible, position, scale]);
+  }, [visible, position, duration, easing, scale]);


- const { scale } = theme.animation; + const { duration, easing } = theme.motion; ... - duration: 250 * scale, + duration: duration.medium1,

Dropping the * scale multiplier turns off reduce-motion for Banner entirely. scale isn't a legacy leftover — PaperProvider.tsx:35-37 sets it to 0 whenever useResolvedReduceMotion() resolves true, either from AccessibilityInfo.isReduceMotionEnabled or from the explicit reduceMotion prop. 250 * scale was therefore 0 for those users and the banner snapped in and out; after this change it always runs the full 250ms/200ms transition. The token adoption
itself is fine (medium1 = 250, short4 = 200, identical to the old numbers), it's only the multiplier that carries the a11y behaviour.

The PR description says this matches "how Switch/Checkbox adopted motion tokens", but those two didn't drop reduce-motion — they replaced the mechanism. Switch.tsx:169-171 and Checkbox.tsx both call useReduceMotion() from src/theme/accessibility/ReduceMotionContext and feed ReduceMotion.Always/Never into their Reanimated configs. Banner ends up honouring neither path, and it's now the only animated component in src/ that reads neither theme.animation.scale (still live in ProgressBar, Modal, Badge, Snackbar, ActivityIndicator, Chip, Card, CrossFadeIcon, DrawerCollapsedItem, RadioButtonAndroid) nor useReduceMotion().

RN's Animated.timing has no reduceMotion option, so either keep scale, or take the Switch/Checkbox route:

const reduceMotion = useReduceMotion(); // ... duration: reduceMotion ? 0 : duration.medium1,

thanks for raising this up @JKobrynski 🙏

basically, this issue was addressed in recent ae2ecfc commit. both Banner durations now use theme.animation.scale & regression test covers scale: 0

as for PR description, it's stale & I can't update since I'm not the owner of this PR
but here's what it should say instead:

### Banner — Motion - Durations `250 * scale` / `200 * scale` -> `theme.motion.duration.medium1 * scale` / `theme.motion.duration.short4 * scale` (values unchanged at the default scale) + `Easing.bezier(...theme.motion.easing.standard)` - Banner continues to respect `theme.animation.scale` including `scale: 0` reduced-motion behavior ### Visual / behavioral changes - Banner & DataTable animations now use MD3 standard easing curve. Banner continues to honor `theme.animation.scale`

MikitasK · 2026-08-24T15:14:25Z

@@ -159,20 +161,22 @@ const Banner = ({
    if (visible) {
      // show
      Animated.timing(position, {
-        duration: 250 * scale,
+        duration: duration.medium1 * scale,
        toValue: 1,
        useNativeDriver: false,
+        easing: Easing.bezier(...easing.standard),
      }).start(showCallback);
    } else {
      // hide
      Animated.timing(position, {
-        duration: 200 * scale,
+        duration: duration.short4 * scale,
        toValue: 0,
        useNativeDriver: false,
+        easing: Easing.bezier(...easing.standard),
      }).start(hideCallback);
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [visible, position, scale]);
+  }, [visible, position, duration, easing, scale]);


thanks for raising this up @JKobrynski 🙏

basically, this issue was addressed in recent ae2ecfc commit. both Banner durations now use theme.animation.scale & regression test covers scale: 0

as for PR description, it's stale & I can't update since I'm not the owner of this PR
but here's what it should say instead:

### Banner — Motion - Durations `250 * scale` / `200 * scale` -> `theme.motion.duration.medium1 * scale` / `theme.motion.duration.short4 * scale` (values unchanged at the default scale) + `Easing.bezier(...theme.motion.easing.standard)` - Banner continues to respect `theme.animation.scale` including `scale: 0` reduced-motion behavior ### Visual / behavioral changes - Banner & DataTable animations now use MD3 standard easing curve. Banner continues to honor `theme.animation.scale`

JKobrynski · 2026-08-25T09:23:02Z

+      duration: duration.short3,
+      easing: Easing.bezier(...easing.standard),
      useNativeDriver: true,
    }).start();
-  }, [sortDirection, spinAnim]);
+  }, [sortDirection, spinAnim, duration, easing]);


- duration: duration.short3, + duration: duration.short3 * scale,

The latest commit restored * scale in Banner, but the sort-arrow rotation still runs at full duration when PaperProvider has zeroed theme.animation.scale for reduce-motion. Not a regression — it was a hardcoded 150 before — but you're already editing this exact Animated.timing call, and leaving the two halves of one PR on different reduce-motion stories invites the next reader to pick the wrong one. Needs const { scale } = theme.animation; and the extra dep, same as Banner.

good point, updated 👌

JKobrynski · 2026-08-27T08:48:05Z

@MikitasK let me know when this is ready for another review!

JKobrynski

LGTM! @satya164 @artus9033 all yours

JKobrynski · 2026-09-04T08:29:02Z

@MikitasK we've got conflicts

MrMuzyk added 3 commits June 29, 2026 10:58

refactor: non standard component; avatar

2cb2b81

refactor: banner

6e07fc7

refactor: data table

63d431e

MrMuzyk marked this pull request as ready for review June 30, 2026 06:29

artus9033 requested a review from satya164 July 8, 2026 10:24

lukemorawski mentioned this pull request Aug 18, 2026

refactor(banner): make hidden content inert and fix live region semantics #5055

Open

MikitasK reviewed Aug 19, 2026

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fix: respect animation scale in Banner

ae2ecfc

oleksandrzavarzin-callstack added a commit to oleksandrzavarzin-callstack/react-native-paper that referenced this pull request Aug 21, 2026

refactor: adopt MD3 avatar tokens from callstack#5016

5ed8a6f

oleksandrzavarzin-callstack mentioned this pull request Aug 21, 2026

fix: define avatar identity and fallback semantics #5058

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4 tasks

MikitasK approved these changes Aug 21, 2026

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JKobrynski reviewed Aug 24, 2026

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MikitasK approved these changes Aug 24, 2026

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JKobrynski requested changes Aug 25, 2026

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fix: respect animation scale in DataTable title

e384ae1

JKobrynski approved these changes Aug 28, 2026

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oleksandrzavarzin-callstack mentioned this pull request Aug 28, 2026

feat: structural accessibility for data table #5082

Open

6 tasks

satya164 added the Contributor: Internal label Sep 3, 2026

feat: sync main into refactor/non-standard-components

2f0e874

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refactor: modernize non standard components to the latest MD3 spec - #5016

refactor: modernize non standard components to the latest MD3 spec#5016
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	duration: duration.medium1,
	duration: duration.medium1 * scale,

	duration: duration.short4,
	duration: duration.short4 * scale,

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MrMuzyk commented Jun 29, 2026

Motivation

Changes

Visual / behavioral changes (no public API changed)

Related issue

Test plan

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