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# Conflicts: # app/containers/Avatar/__snapshots__/Avatar.test.tsx.snap
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WalkthroughNon-emoji avatars now render through ChangesAvatar image loading
Priority: Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Feature · Severity of issue fixed: Low Sequence Diagram(s)sequenceDiagram
participant Avatar
participant AvatarImage
participant ExpoImage
participant AvatarSkeleton
Avatar->>AvatarImage: Pass URI and style
AvatarImage->>ExpoImage: Render image with selected headers
ExpoImage->>AvatarImage: Report load or error
AvatarImage->>AvatarSkeleton: Show skeleton after 150 ms if URI is not settled
Suggested labels: Merge Risk:
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Linked Issues check |  |
Issue #4809 requires loading treatment for all Avatar use cases, including emoji and static-image avatars. The current change keeps emoji avatars on the existing Emoji path, and the PR states that e… |
Implement the #4809 requirements for all applicable Avatar use cases, including the emoji path if it remains in scope. Use colors.bannerBackground only in dark modes and no background in light mode. Add tests for emoji loading behavior an… |
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Check name Status Explanation Description Check Check skipped - CodeRabbit’s high-level summary is enabled. Title check The title clearly and concisely describes the main change: adding a skeleton and grey background while image avatars load. Out of Scope Changes check The changes to Avatar,AvatarImage,AvatarSkeleton, their tests, and the loading story directly support issue#4809's Avatar loading and background objectives. The available whole-pull-request s…Full details: Out of Scope Changes check
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Explanation
The changes to
Avatar,AvatarImage,AvatarSkeleton, their tests, and the loading story directly support issue#4809's Avatar loading and background objectives. The available whole-pull-request summary establishes no unrelated changes.
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Full details: Linked Issues check
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Explanation
Issue
#4809requires loading treatment for all Avatar use cases, including emoji and static-image avatars. The current change keeps emoji avatars on the existingEmojipath, and the PR states that emoji avatars are unchanged. Issue#4809also requirescolors.bannerBackgroundin dark modes and no background in light mode.AvatarImageuses a themed neutral-surface wrapper instead. The added tests cover delayed image loading, URI changes, load completion, errors, and shared animation, but do not establish emoji coverage or the required theme-specific background behavior.Resolution
Implement the
#4809requirements for all applicable Avatar use cases, including the emoji path if it remains in scope. Usecolors.bannerBackgroundonly in dark modes and no background in light mode. Add tests for emoji loading behavior and theme-specific background behavior.
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Actionable comments posted: 1
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @app/containers/Avatar/AvatarImage.tsx:
- Around line 59-61: Update AvatarImage to use the theme returned by useTheme()
when selecting the background, applying colors.bannerBackground for dark and
black themes while leaving light mode without a forced background. Add the
missing bannerBackground token to the theme definition before referencing it,
and keep loadedUri limited to image-loading state.
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⛔ Files ignored due to path filters: 16
app/containers/Avatar/__snapshots__/Avatar.test.tsx.snapis excluded by!**/*.snapapp/containers/Chip/__snapshots__/Chip.test.tsx.snapis excluded by!**/*.snapapp/containers/DirectoryItem/__snapshots__/DirectoryItem.test.tsx.snapis excluded by!**/*.snapapp/containers/InAppNotification/__snapshots__/NotifierComponent.test.tsx.snapis excluded by!**/*.snapapp/containers/NewMediaCall/__snapshots__/PeerItem.test.tsx.snapis excluded by!**/*.snapapp/containers/NewMediaCall/__snapshots__/PeerList.test.tsx.snapis excluded by!**/*.snapapp/containers/NewMediaCall/__snapshots__/SelectedPeer.test.tsx.snapis excluded by!**/*.snapapp/containers/RoomItem/__snapshots__/RoomItem.test.tsx.snapis excluded by!**/*.snapapp/containers/message/components/__tests__/__snapshots__/Message.test.tsx.snapis excluded by!**/*.snapapp/containers/message/components/stories/__tests__/__snapshots__/leaves.test.tsx.snapis excluded by!**/*.snapapp/views/CallView/__snapshots__/index.test.tsx.snapis excluded by!**/*.snapapp/views/CallView/components/__snapshots__/CallerInfo.test.tsx.snapis excluded by!**/*.snapapp/views/DiscussionsView/__snapshots__/Item.test.tsx.snapis excluded by!**/*.snapapp/views/NewMessageView/__tests__/__snapshots__/Item.test.tsx.snapis excluded by!**/*.snapapp/views/RoomInfoView/components/__snapshots__/RoomInfoViewAvatar.test.tsx.snapis excluded by!**/*.snapapp/views/ThreadMessagesView/__snapshots__/Item.test.tsx.snapis excluded by!**/*.snap
📒 Files selected for processing: 4
app/containers/Avatar/Avatar.stories.tsxapp/containers/Avatar/Avatar.tsxapp/containers/Avatar/AvatarImage.tsxapp/containers/Avatar/__tests__/AvatarImage.test.tsx
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🔇 Additional comments: 4
app/containers/Avatar/AvatarImage.tsx: 1
26-36: Fix the shared pulse lifecycle when the Skeleton unmounts.
stopPulseresetspulse.valueto 1 when the last skeleton unmounts. It does not first cancel the repeating animation. Assigning a plain number to a Reanimated shared value normally cancels the running animation, so this is probably fine.One edge case remains. In React strict or dev double-invoke, the effect runs as start, stop, start. The counter handles this correctly.
No change is required. I do not retain this as a finding.
app/containers/Avatar/__tests__/AvatarImage.test.tsx: 1
1-46: LGTM!app/containers/Avatar/Avatar.tsx: 1
10-10: LGTM!Also applies to: 79-79
app/containers/Avatar/Avatar.stories.tsx: 1
99-99: LGTM!
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…on and patch it for RN 0.86
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Automated review: 0 bugs, 2 cleanups, 1 decision.
Decision: the shimmer is a ~40 ms blip, not a sweep. app/containers/Avatar/AvatarSkeleton.tsx:27 (library lib/skeleton-placeholder.js, animatedGradientStyle)
Severity: low · Likelihood: always, whenever the skeleton shows
ELI5: the shiny stripe runs across the whole screen width, but the avatar is a small window. The stripe is only inside that window for a split second of each loop.
Details: the gradient is as wide as the avatar (shimmerWidth is undefined). It translates from -WINDOW_WIDTH to +WINDOW_WIDTH every 800 ms, so it overlaps a 25–40 px avatar for only about 5–9% of each cycle. That overlap falls at the middle of Easing.ease, where the motion is fastest, and on tablets it is shorter still. shimmerWidth can't fix it, because it is added to the travel distance.
Steps to reproduce:
- Throttle the network and open the room list with a cold cache.
- Watch an avatar that is still loading after 150 ms.
- The highlight flickers briefly about every 800 ms instead of sweeping across.
Options:
- (a) Accept it.
- (b) Add a hunk to the existing patch so the travel uses the measured
layout.widthinstead ofWINDOW_WIDTH. - (c) Go back to a pulse.
| expect(queryByTestId('avatar-skeleton')).toBeTruthy(); | ||
| }); | ||
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| it('masks the shimmer to the size and radius of the avatar once laid out', () => { |
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Cleanup: this test pins library internals. Severity: low · Likelihood: n/a (maintenance)
ELI5: the test opens up the skeleton library to check its insides, so it will break when the library changes even if the avatar still looks right.
Details: the mask test finds the library's onLayout View, fires a synthetic layout, and re-renders MaskedView.props.maskElement. In effect it checks that the width, height and borderRadius we pass to SkeletonPlaceholder.Item come back out. The "appears after the delay" test repeats AvatarImage.test.tsx ("shows the skeleton until the image loads" and "never shows the skeleton when the image loads before the delay").
Steps to reproduce:
- Bump or refactor
react-native-skeleton-placeholderin a way that keeps its behaviour but changes how it measures (for example, drops theonLayoutwrapper). - Run
pnpm test app/containers/Avatar. - This test fails, while the avatar on screen is unchanged.
Proposed change: delete AvatarSkeleton.test.tsx. The delay is already covered through AvatarImage.
| import { SKELETON_DELAY } from './constants'; | ||
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| interface IAvatarSkeleton { | ||
| style: ImageStyle; |
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Cleanup: take numbers, not a whole ImageStyle. Severity: low · Likelihood: low (latent)
ELI5: the component asks for a full style but only uses three numbers from it, so the type promises more than it handles.
Details: line 28 reads style.width, style.height and style.borderRadius off ImageStyle, which allows arrays, registered style ids and percentage strings. It works today only because Avatar.tsx:79 passes the inline avatarStyle object.
Steps to reproduce:
- Pass
style={[styles.avatar]}(an array) toAvatarImage. - Wait for the skeleton to show.
- The skeleton item gets
undefinedwidth and height, and no shimmer shows.
Proposed change: make the props { size: number; borderRadius: number } (in AvatarImage too, or build avatarStyle inside AvatarImage), and drop the ImageStyle import.
…its internals test
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Proposed changes
Image avatars now have a grey background and show a shimmering skeleton while loading, using
react-native-skeleton-placeholder, which the app already uses for other loading states. The skeleton only appears if the image takes longer than 150 ms, so cached avatars don't flash it. Emoji avatars are unchanged.Issue(s)
https://rocketchat.atlassian.net/browse/NATIVE-181
Closes #4809
How to test or reproduce
WrongServerstory. It should end on a grey tile with no endless shimmer.TZ=UTC pnpm test app/containers/AvatarScreens affected: everything that renders
Avatar, for example the room list and message avatars.Screenshots
Screenshots are from an Android emulator (Pixel 9). Loading frames were taken while a local proxy held the avatar requests.
The video is the room list on iOS (Light theme) with avatar requests held for 10 s. Two direct messages arrive about 4 s apart, and both rows shimmer until their avatar loads.
Video:
Emoji and transparent avatars (before and after)
Before is
develop, after is this branch. In the room, the third message is the emoji avatar and the others use a PNG avatar with a transparent background. The room list row forrctest-avatar-bg-2also uses the transparent avatar. The grey background shows behind the transparent avatar, and the emoji avatar keeps no background.Types of changes
Checklist
Further comments
react-native-skeleton-placeholder, which the app already uses for the video call and composer autocomplete loading states, so there is no second skeleton implementation to maintain.patches/react-native-skeleton-placeholder+5.2.4.patch: React Native 0.86 (chore: upgrade to React Native 0.86 / Expo SDK 57 #7691) removedStyleSheet.absoluteFillObject, which the library used to size its shimmer, so the shimmer had zero size and never showed. The patch switches it toStyleSheet.absoluteFill. The video call and composer autocomplete skeletons use the same library, so their shimmer comes back too (not checked on a device).surfaceNeutralfor the box (the same grey as the avatar background, so there is no colour jump when the image loads) andsurfaceSelectedfor the shimmer band, in every theme. In Light the band is slightly darker than the box; in Dark and Black it is lighter.surfaceNeutral:#161717on#0A0A0Aon iOS,#16181aon#000000on Android) is only a little lighter than the background, so it is subtle there. It is kept on purpose: it is the colour the Black theme already uses for neutral surfaces, the tile and the skeleton stay the same colour so nothing changes when the image loads, and the shimmer band (surfaceSelected) is brighter, so the loading state still shows. A lighter grey would need a Black-only colour just for avatars. The web client has no Black theme to compare with.recyclingKey={uri}on the expo-imageImagedoes this; without it expo-image kept the old picture, and it showed through the skeleton.app/containers/Avatar/__tests__/:AvatarImage.test.tsxandAvatarSkeleton.test.tsxare new, andAvatar.test.tsxmoved there becauseAvatar.tsxchanged. The 150 ms delay isSKELETON_DELAYinconstants.ts, so the skeleton and its tests share one value. The skeleton also goes away when the image fails to load, so a failed avatar ends on the grey tile.Summary by CodeRabbit
New Features
Bug Fixes