Redesign the lobby and the demo Start Call screen by andremion · Pull Request #1816 · GetStream/stream-video-android

andremion · 2026-09-08T13:48:28Z

Goal

Implement the Android / Lobby designs from the Video SDK Design file and refresh the demo app's Start Call screen with the redesigned primitives. Third screen ticket of the design refresh, stacked on #1805 (AND-1420).

Linear: AND-1424

Implementation

Lobby (stream-video-android-ui-compose):

CallLobby: the preview tile fills the width with the design tile aspect ratio (370:264) in portrait and a fixed height in landscape (no landscape frame in Figma), clipped to 20dp, with a 2dp accent border while the camera is on and a 1dp subtle border with the 80dp avatar fallback while it is off. Gaps are 12dp to the controls and 32dp to the join action.
New onJoinCall + joinCallContent slot, rendered through the new factory hook CallLobbyJoinContent (CallLobbyJoinContentParams, label overridable). The join action only renders when onJoinCall is set, so existing integrations that provide their own button are unchanged.
Controls: CallLobbyControlsContent renders a plain row (no 16dp gap; each action carries its own 48dp hit target). ToggleAction, ToggleCameraAction and ToggleMicrophoneAction gain isUnavailable: disabled background with an error badge, still clickable so the lobby can ask for the permission again. VideoPermissionsState gains isCameraPermissionDenied / isMicrophonePermissionDenied (default false, set only after a request was answered).
Label: the shared ParticipantLabel is restyled to the design pill (12dp radius, 32dp, metadata text, 160dp max name) with a camera-off icon (hasVideo) and the 24dp sound indicator; the lobby label feeds it with localMicrophoneAudioLevel through the ParticipantLabelSoundIndicatorContent hook (CallLobbyParticipantLabelContentParams.call). NetworkQualityIndicator is now the design circle with 8dp inset on the tiles; it is not shown in the lobby (agreed with design, no connection before join).
Avatars from 80dp scale their initials with the avatar (40%); the previous mapping used a 14sp badge style for them.
New icon stream_design_ic_qr_code_fill from design-system-tokens PR Implement benchmark module and generate baseline profiles #71 (unmerged, commit 7d10dbf).

Demo app:

Start Call screen: header (avatar, name, dev menu or sign out), illustration, title and description, call id field with a ghost "Join Call" (disabled while blank), "OR" separator, "Start New Call", ghost "Scan QR Code". Navigation is unchanged (the Start Call frames are marked out of scope in Figma).
Lobby screen: design header and title around the SDK lobby; the start/join wording follows the user's intent through a new_call navigation argument instead of the participant count, which arrived late and flipped the UI.
Users.kt: the liviu built-in user is replaced by andrerego (he is no longer at Stream), in its own commit.
enableEdgeToEdge() in MainActivity (the grey navigation bar band was pre-existing below API 35), the login and loading screens reuse the Start Call illustration, stream_calls_logo.png is removed.

Decisions and open points:

Title block and header stay demo-side (Figma component boundary). Dev gear menu stays; design will provide a separate screen (DES-215).
Muted state follows DS-043 and the Figma label: a muted participant shows the plain mic-off icon, an unmuted one the sound indicator box with the bars, at rest while not speaking. The microphone indicator comes before the camera-off icon.
Lobby sound bars stay at rest before join because core feeds localMicrophoneAudioLevel only from RtcSession; follow-up AND-1505.
New launcher icons: AND-1503. Compose preview crash fix: Build the coordinator HTTP client on the first request #1815 (AND-1501).

🎨 UI Changes

Before	After

Testing

spotlessApply, :stream-video-android-ui-compose:apiDump / apiCheck, :demo-app:compileDevelopmentDebugKotlin, the four tutorials compile.
recordPaparazziDebug then verifyPaparazziDebug (separate runs): 163 goldens, all green. New snapshots: the lobby in landscape, the unavailable toggles (both states, plus right-to-left), the factory lobby label without a call, the factory controls with the high quality audio toggle, and a label with every indicator.
LobbyControlsCallActionHandlerTest: the permission gating of the lobby controls as a plain unit test.
E2E tags kept: Stream_CallIdInputField, Stream_JoinCallButton, Stream_StartNewCallButton, Stream_ScanQrCodeButton, camera and microphone toggles, Stream_UserMicrophone_Enabled_*, Stream_ParticipantsCount_N (now on the lobby title). The lobby join button tag is Stream_LobbyJoinCallButton (page object updated).
Manually on the emulator: Start Call, lobby start and join paths, edge to edge, previews.

Summary by CodeRabbit

New Features
- Added a dedicated “Join Call” action to the call lobby.
- New-call navigation now preserves whether a call is being created or joined.
- Camera and microphone permission issues are surfaced with error indicators while remaining actionable.
- Participant labels now show camera-off status and improved audio activity indicators.
Improvements
- Redesigned call join and lobby screens for responsive portrait and landscape layouts.
- Refreshed avatars, previews, buttons, illustrations, and loading states.
- Updated login and demo content with refreshed imagery and wording.
Bug Fixes
- Corrected the lobby automation selector and fallback notification artwork.

andremion · 2026-09-08T13:48:41Z

@coderabbitai review

github-actions · 2026-09-08T13:48:42Z

PR checklist ✅

All required conditions are satisfied:

Title length is OK (or ignored by label).
At least one pr: label exists.
Sections ### Goal, ### Implementation, and ### Testing are filled, or the PR is bot-authored.
An issue is linked (Linear ticket or GitHub issue), or the PR is bot-authored.

🎉 Great job! This PR is ready for review.

coderabbitai · 2026-09-08T13:48:51Z

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Review finished.

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github-actions · 2026-09-08T13:53:29Z

SDK Size Comparison 📏

SDK	Before	After	Difference	Status
stream-video-android-core	12.30 MB	12.45 MB	0.14 MB	🟢
stream-video-android-ui-xml	5.70 MB	5.75 MB	0.05 MB	🟢
stream-video-android-ui-compose	6.23 MB	3.23 MB	-3.00 MB	🚀

coderabbitai · 2026-09-08T14:04:11Z

Walkthrough

The PR redesigns the demo call-join and lobby screens. It adds new-call navigation state, permission-aware lobby controls, join content APIs, revised participant and preview rendering, responsive layouts, updated assets, and expanded snapshot coverage.

Changes

Call lobby and join-flow redesign

Layer / File(s)	Summary
Join flow and navigation `demo-app/src/main/kotlin/io/getstream/video/android/ui/join/...`, `demo-app/src/main/kotlin/io/getstream/video/android/ui/DogfoodingNavHost.kt`	The join flow now distinguishes new calls from existing calls and passes that state to the lobby. The join screen uses shared responsive intro and form components.
Lobby contracts and permission state `stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/permission/...`, `.../theme/...`, `.../call/controls/...`	Compose APIs now expose join content, device availability, and permission-denial state. Unavailable camera and microphone controls show error badges and remain clickable for permission requests.
Lobby rendering and visual components `stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/call/...`, `.../avatar/...`, `.../indicator/...`	The SDK lobby adds join content, camera-off participant labels, revised preview styling, scalable avatar text, and updated indicators.
Demo lobby integration and validation `demo-app/src/main/kotlin/io/getstream/video/android/ui/lobby/...`, `stream-video-android-ui-compose/src/debug/...`, `stream-video-android-ui-compose/src/testDebug/...`	The demo lobby consumes the new SDK APIs, renders participant counts and new-call labels, and adds light and dark snapshot coverage for disabled and denied permissions.
Demo app assets and platform updates `demo-app/src/main/kotlin/io/getstream/video/android/MainActivity.kt`, `.../LoginScreen.kt`, `.../ProgressBar.kt`, `.../notification/...`, `.../models/Users.kt`	The app enables edge-to-edge rendering and updates user, logo, notification fallback, login, and progress visuals.

Priority: ➖ Normal — Schedule the Android lobby and Start Call redesign because it broadly changes call joining, permission-aware controls, navigation, and shared Compose APIs.

Estimated code review effort: 4 (Complex) | ~60 minutes

Merge Risk: 🟡 Moderate · up to 631b1

Call IDs with reserved URL characters can fail to open the lobby, and apps compiled against the previous SDK can crash after upgrading. Resolve these compatibility issues before merge.

Sequence Diagram(s)

sequenceDiagram
  participant JoinScreen
  participant JoinViewModel
  participant Navigation
  participant LobbyScreen
  participant SDKCallLobby
  JoinScreen->>JoinViewModel: submit call action
  JoinViewModel->>JoinScreen: return call ID and new-call state
  JoinScreen->>Navigation: navigate to lobby route
  Navigation->>LobbyScreen: provide call ID and new_call
  LobbyScreen->>SDKCallLobby: render permissions, controls, and join content

Suggested reviewers: aleksandar-apostolov, pratimmallick

🚥 Pre-merge checks | ✅ 2 | ❌ 3

❌ Failed checks (3 warnings)

Check name	Status	Explanation	Resolution
Linked Issues check	⚠️ Warning	The directly linked issue `#1815` requires lazy coordinator HTTP client creation and Retrofit call-factory usage. The reviewable changes contain no coordinator networking implementation or related test …	Implement the `#1815` coordinator HTTP client changes and required tests, or unlink `#1815` if this redesign is not intended to resolve that issue.
Out of Scope Changes check	⚠️ Warning	Most reviewed changes redesign the SDK lobby and demo Start Call UI. These changes are unrelated to the directly linked issue `#1815`, which concerns deferred coordinator HTTP client construction for Co…	Split the UI redesign into a separate pull request or link the appropriate design issues. Keep the `#1815` pull request limited to coordinator client initialization and its tests.
Docstring Coverage	⚠️ Warning	Docstring coverage is 27.16% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 81 functions across 28 files. (4 skipped:…	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description check	✅ Passed	The description clearly covers the goal, implementation, UI changes, and testing. It includes relevant issue references and screenshots. The contributor/reviewer checklists and GIF section are not com…
Title check	✅ Passed	The title clearly and concisely describes the primary changes: the lobby redesign and the demo app Start Call screen redesign.

Full details: Linked Issues check

Explanation

The directly linked issue #1815 requires lazy coordinator HTTP client creation and Retrofit call-factory usage. The reviewable changes contain no coordinator networking implementation or related test changes, so the issue objective is not met.

Full details: Out of Scope Changes check

Explanation

Most reviewed changes redesign the SDK lobby and demo Start Call UI. These changes are unrelated to the directly linked issue #1815, which concerns deferred coordinator HTTP client construction for Compose previews.

Full details: Docstring Coverage

Explanation

Docstring coverage is 27.16% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 81 functions across 28 files. (4 skipped: 4 unsupported.)

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Actionable comments posted: 2

🤖 Prompt for all review comments with AI agents

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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
In `@demo-app/src/main/kotlin/io/getstream/video/android/ui/DogfoodingNavHost.kt`:
- Line 142: Update the route construction in the CallLobby navigation flow to
URI-encode cid before replacing the cid placeholder, while leaving the isNewCall
substitution unchanged. Use the existing navigation-compatible encoding utility
or dependency and preserve StringType argument decoding.

In
`@stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/theme/VideoComponentFactoryParams.kt`:
- Around line 341-342: The public SDK constructors for
CallLobbyParticipantLabelContentParams, CallLobbyControlsContentParams,
ParticipantLabel, and CallLobby must retain their previous JVM descriptors. Add
deprecated delegating overloads using each prior parameter list, including
hasVideo=true for ParticipantLabel and a CallLobby overload with the previous
main-function signature that supplies no join action; do not rely on Kotlin
default arguments or the existing mismatched deprecated overload.

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📥 Commits

Reviewing files that changed from the base of the PR and between de78bcc and 631b185.

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stream-video-android-ui-compose/src/test/snapshots/images/io.getstream.video.android.compose_CallLobbyTest_call_lobby_in_dark_mode.png is excluded by !**/*.png
stream-video-android-ui-compose/src/test/snapshots/images/io.getstream.video.android.compose_CallLobbyTest_call_lobby_with_camera_disabled.png is excluded by !**/*.png
stream-video-android-ui-compose/src/test/snapshots/images/io.getstream.video.android.compose_CallLobbyTest_call_lobby_with_mic_and_camera_issue.png is excluded by !**/*.png
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stream-video-android-ui-compose/src/test/snapshots/images/io.getstream.video.android.compose_CallLobbyTest_call_lobby_with_mic_and_camera_off_in_dark_mode.png is excluded by !**/*.png
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📒 Files selected for processing (33)

demo-app/src/androidTestE2etestingDebug/kotlin/io/getstream/video/android/pages/LobbyPage.kt
demo-app/src/main/kotlin/io/getstream/video/android/MainActivity.kt
demo-app/src/main/kotlin/io/getstream/video/android/models/Users.kt
demo-app/src/main/kotlin/io/getstream/video/android/notification/LiveStreamMediaNotificationInterceptor.kt
demo-app/src/main/kotlin/io/getstream/video/android/ui/DogfoodingNavHost.kt
demo-app/src/main/kotlin/io/getstream/video/android/ui/join/CallJoinScreen.kt
demo-app/src/main/kotlin/io/getstream/video/android/ui/join/CallJoinViewModel.kt
demo-app/src/main/kotlin/io/getstream/video/android/ui/lobby/CallLobbyScreen.kt
demo-app/src/main/kotlin/io/getstream/video/android/ui/lobby/CallLobbyViewModel.kt
demo-app/src/main/kotlin/io/getstream/video/android/ui/login/LoginScreen.kt
demo-app/src/main/kotlin/io/getstream/video/android/util/ProgressBar.kt
demo-app/src/main/res/drawable-nodpi/start_call_illustration.webp
demo-app/src/main/res/values/strings.xml
stream-video-android-ui-compose/api/stream-video-android-ui-compose.api
stream-video-android-ui-compose/src/debug/kotlin/io/getstream/video/android/compose/ui/components/call/lobby/CallLobbyPreview.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/permission/CallPermissions.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/permission/VideoPermissionsState.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/theme/VideoComponentFactory.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/theme/VideoComponentFactoryParams.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/avatar/InitialsAvatar.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/base/Badge.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/call/controls/actions/GenericActions.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/call/controls/actions/ToggleCameraAction.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/call/controls/actions/ToggleMicrophoneAction.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/call/lobby/CallLobby.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/call/lobby/LobbyControlsActions.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/call/renderer/ParticipantVideo.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/indicator/GenericIndicator.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/indicator/NetworkQualityIndicator.kt
stream-video-android-ui-compose/src/main/kotlin/io/getstream/video/android/compose/ui/components/indicator/SoundIndicator.kt
stream-video-android-ui-compose/src/main/res/drawable/stream_design_ic_qr_code_fill.xml
stream-video-android-ui-compose/src/testDebug/kotlin/io/getstream/video/android/compose/CallLobbyTest.kt
stream-video-android-ui-core/src/main/res/values/strings.xml

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Lobby (SDK): the preview tile keeps the design tile aspect ratio with an accent or subtle border by camera state, the label is the design pill with a camera-off icon and the sound indicator driven by the local microphone level, the controls sit in a plain row with an error badge when the camera or microphone permission was denied, and a new join slot renders the primary action through the component factory. The permission state now tells a denied permission apart from one not asked for yet, and tapping an unavailable control asks for the permission again. Large avatars scale their initials with the avatar instead of using a badge text style. Demo app: the Start Call screen follows the Android design (illustration, call id field with a ghost join button, "OR" separator, Start New Call, Scan QR Code) and the lobby screen wraps the SDK lobby with the design header and title. The lobby wording follows the user's intent (start or join) through a navigation argument instead of the participant count. The app draws edge to edge, the login and loading screens reuse the Start Call illustration, and the old logo drawable is gone. Snapshot goldens re-recorded; the lobby is recorded per mode because it is taller than half of the test device. Icons: qr-code-fill from design-system-tokens PR #71 (unmerged, commit 7d10dbf).

A muted participant gets the bare mute icon next to the camera-off icon, without the sound indicator box, as the design shows and DS-043 states. The microphone indicator comes before the camera-off icon, and the sound indicator preview row centres its children so the two heights line up.

The screen share tile label no longer reports the presenter's camera as off, the toggle actions keep the caller's modifier on the button and draw the error badge with a modifier, tapping an unavailable control asks for the permission and still forwards the toggle, the denied permission flags follow the live permission status, the lobby border and shape live in the default preview modifier so a custom modifier replaces both, the tile is bounded in both orientations, and the lobby controls hook takes the high quality audio toggle so the demo no longer re-implements it.

The permission gating of the lobby controls is a plain function with a unit test, and new snapshots cover the lobby in landscape, the unavailable toggle in both states and in a right-to-left layout, the factory lobby label without a call, the factory controls with the high quality audio toggle, and a label with every indicator. The lobby centres its content so the landscape tile no longer hugs the start edge, the in-progress toggle preview has one row per size, unmuted participants always show the sound bars, and the demo lobby route encodes the call id.

sonarqubecloud · 2026-09-09T14:08:28Z

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
85.5% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

andremion · 2026-09-10T10:01:57Z

Closing this PR. The scope agreed in Slack on 2026-09-09 and 2026-09-10 is a refresh of the current screens with the design system tokens and components, not a redesign. #1821 covers the lobby and Start Call screens within that scope. The redesign work here stays available as a reference, the parked items are listed in AND-1518, and design keeps the improved layouts as a Figma branch.

andremion added the pr:new-feature Adds new functionality label Sep 8, 2026

coderabbitai Bot reviewed Sep 8, 2026

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Comment thread demo-app/src/main/kotlin/io/getstream/video/android/ui/DogfoodingNavHost.kt Outdated

Comment thread ...pose/src/main/kotlin/io/getstream/video/android/compose/theme/VideoComponentFactoryParams.kt

andremion force-pushed the andrerego/and-1424-lobby-redesign branch 2 times, most recently from 3096ba1 to e1343ab Compare September 8, 2026 15:58

andremion marked this pull request as ready for review September 9, 2026 08:28

andremion requested a review from a team as a code owner September 9, 2026 08:28

andremion mentioned this pull request Sep 9, 2026

Show the local microphone level in the lobby before joining #1817

Draft

andremion force-pushed the andrerego/and-1420-redesign-base-components-against-the-shared-design-system branch from de78bcc to 090fe61 Compare September 9, 2026 10:34

andremion force-pushed the andrerego/and-1424-lobby-redesign branch from 48abc93 to 4859c39 Compare September 9, 2026 10:36

andremion force-pushed the andrerego/and-1420-redesign-base-components-against-the-shared-design-system branch from 090fe61 to 009ca85 Compare September 9, 2026 10:56

andremion force-pushed the andrerego/and-1424-lobby-redesign branch from 4859c39 to 7e1f181 Compare September 9, 2026 10:58

Base automatically changed from andrerego/and-1420-redesign-base-components-against-the-shared-design-system to develop-v2 September 9, 2026 13:56

andremion added 7 commits September 9, 2026 14:57

Remove non-streamer user

dfd0135

Match the participant label end padding to the design

be30bed

Re-record the participant goldens for the speaking indicator token

1073d64

andremion force-pushed the andrerego/and-1424-lobby-redesign branch from 7e1f181 to 1073d64 Compare September 9, 2026 14:00

andremion marked this pull request as draft September 9, 2026 14:21

andremion mentioned this pull request Sep 10, 2026

Refresh the lobby and Start Call screens with the design system tokens #1821

Merged

aleksandar-apostolov marked this pull request as ready for review September 10, 2026 09:17

aleksandar-apostolov marked this pull request as draft September 10, 2026 09:18

andremion closed this Sep 10, 2026

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Redesign the lobby and the demo Start Call screen - #1816

Redesign the lobby and the demo Start Call screen#1816
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