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Android app on the shared Rust mobile core (Material 3 Expressive) - #148
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A Jetpack Compose app (apps/android) that links crates/mobile through UniFFI — the same transcript layout engine, text measurement and virtualization as iOS. The painter draws Rust display lists on a Skia canvas at Rust coordinates with the same Geist bytes; Minikin backs the fallback measurer. UI is Material 3 Expressive with Zeron's palette. Kotlin-only renames in crates/mobile/uniffi.toml avoid clashes with Throwable.message and AutoCloseable.close. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
… more screenshots Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…sion rows - New session is the iOS/desktop canvas: harness mark + "What are we building?" over a composer card whose chips (project, branch or host, model, effort) open Material 3 Expressive grouped menus. - One shared composer: a resting one-line capsule that becomes a card with context chips when focused; no drop shadow; shape-morphing send/stop; a Queue/Steer delivery chip while the agent works. - Session rows show the harness brand mark, project + branch subline, Done/Input/Failed status and state-tinted PR badges; small extended FAB. - Harness brand marks ported from the shared SVG path data. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
- Every glyph is Zeron's own: the desktop icon set (crates/ui/assets/icons) plus the iOS tab/tool icons, compiled to VectorDrawables at build time (scripts/android/svg2vd.py) — no Material icons left in the UI. - Expressive shell: display-weight Geist headers (emphasized type scale), filter pills with live counts, SegmentedListItem rows with project-toned harness tiles, a floating nav capsule + round search button, and the New session bar with the live summary (iOS accessory parity). - Round tonal chrome on the session screen, expressive action menus for row / transcript / overflow actions, rebuilt settings and search. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…diting - Own-turn runway (desktop OwnTurnAnchor): an immediate send glides the prompt to the top and holds a viewport of room for the reply; a message queued behind the live turn takes the runway once its bubble lands. - Row motion: fold toggles tween 140 ms ease-out, a growing tool group reveals over 360 ms expo; rows interpolate from the previous frame. - Attachments: Photos / Files / Paste image via the system pickers, staged as JPEG (long side <= 2560, <= 24 MB, up to 8) with removable thumbnails; pending thumbnails in the transcript show a wavy upload ring driven by the escort progress. - @ mentions: file suggestions above the composer; tokens become zeron-file links on send (session + new session). - Queue editing: host lease with renewal, the user's draft stashed and restored, only the visible text committed. - Project picker is a bottom sheet grouped by machine; choice menus are one group with a trailing check. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The wallpaper hero behind the sessions list and the new-session page: aspect-filled artwork fading out downward at the opacity the Rust contrast guard allows (wallpaper_safe_opacity), the new-session composer softening it, and the list fading it as it scrolls. Effects (dither, ASCII, halftone, scanlines) run in the shared core (wallpaper_render). Settings has choose / effect / remove; --es wallpaper <path> and --es wallpaper-effect set it at launch, like iOS -wallpaper. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
- The transcript ends where the composer begins: no gradient scrim, no text streaming behind the composer (the runway's viewport was the full height, so reply tails ran under it, faded and cramped). - Header is a flat Material top app bar that takes the container tone once content scrolls under it, instead of a gradient cut-off. - Jump to latest is a small FAB floating over the transcript. - Streaming veil: each inserted chunk fades on its own clock, found by a prefix+suffix diff (list rows carry their bullet after the item text, so the old prefix check skipped the veil and words popped in); chunks are recorded during composition so new text is never drawn opaque first. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…m nav Two destinations don't take a navigation bar in Material 3 (it's for three to five), and a floating capsule isn't a Material component. Home now follows the search-led Material pattern: AppBarWithSearch with the account avatar (→ Settings, now its own screen with a large top app bar), ExpandedFullScreenSearchBar for search, FilterChips, and an ExtendedFloatingActionButton for New session that collapses on scroll. Session and new-session headers are standard TopAppBars with icon buttons. Removes the custom floating nav, pills, and tonal circle buttons. All screenshots recaptured. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Brings back the Sessions header, floating nav with the New session bar, Settings as a tab, the search screen, and the round header buttons. Keeps the flat transcript/composer layout, jump FAB, streaming veil, filter pills and white send arrow, and adds a status-bar scrim on scrolled home and settings. Screenshots recaptured. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Source: zeronsh#609 Source revision: 6f1b698
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Upstream mirror
Source: zeronsh#609
Original author: @wingleeio
Original revision:
6f1b698c90db830ed0b6911167ced8d0dbedcaaaThis PR is an isolated Contribution Manager pilot mirror. Its reviews, checks and merge state are separate from upstream. An empty
[skip ci]commit suppresses automatic bulk CI; the code tree matches the imported upstream revision.Draft: the Android app, built on the same Rust mobile core (
crates/mobile) as iOS.What's shared with iOS
zeron-mobilethrough UniFFI (Kotlin/JNA).TranscriptViewruns the same layout thread, incremental markdown parsing,zeron-textmeasurement on the bundled Geist bytes (read from the iOSFonts/folder), and prefix-sumLayoutFrames.rowsInbinary search over the frame, with only the rows in the viewport band composed. Rows paint the Rust display list on a Skia canvas at Rust coordinates, so measurement and drawing can't disagree. Glyphs Geist lacks (CJK, emoji) are measured by anAndroidMeasurer(MinikingetTextRunAdvances), the counterpart of the CoreText measurer.RowModel: boxes and hairlines, decorations, overflow fades (DST_OUT ramps), horizontal code/table scrollers, the streaming veil, and widgets (copy, disclosures, tool rail, shimmer, images, tool status, working trailer).Design
Material 3 Expressive components throughout, themed with Zeron's palette, Geist type and Zeron's own icon set (the desktop icons in
crates/ui/assets/iconsand the iOS tab and tool glyphs, compiled to VectorDrawables byscripts/android/svg2vd.py; no Material icons):SegmentedListItemrows with harness marks and Done/Input/Failed labels, a floating nav (Sessions / Settings) with a round search button, and the New session bar with the live summary (iOS accessory parity); pull to refresh usesLoadingIndicator.wallpaper_renderin the core.Core changes
crates/mobile/uniffi.toml: Kotlin-only renames (CoreError.*.message → reason,TranscriptView.close → shutdown) to avoid clashes withThrowable.messageandAutoCloseable.close. Swift output is unchanged.scripts/android/build-core.sh: ABIs configurable viaZERON_ANDROID_ABIS; now run by Gradle.scripts/android/gen-icons.sh+svg2vd.py: shared line icons → VectorDrawables; multi-colour file icons → PNG.Screenshots (current UI — Pixel 9 emulator, API 36, demo workspace)
Every screenshot was recaptured from the latest build.
Home, search, settings
New session
Transcript and composer
Queue and mentions
Dark
Wallpaper (the Frieren artwork used for iOS testing)
Emulator frame stats while flinging a 600-turn transcript (software GPU, not representative of devices): 650 frames, 1.08% janky.
Still to do
@mentions, queued-message editing.so(the debug APK is 120 MB)🤖 Generated with Claude Code