Keep long Android replies whole and their meaning in view - #65
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On the Talk screen the target passage and its meaning shared the caption area as two weighted scrollers with fade edges. A four-line reply plus a three-line meaning did not fit either share on a regular phone, so both regions showed cut text at once and learners read it as lost, while the learner's own line was truncated to a single line. The caption block is now a custom Layout: spacer, the learner's line and the sources button are measured first at their natural height, and the two passages split the remainder through passageHeights. The target keeps its full height up to six lines and never drops below one line while any space is left; the meaning keeps at least its first two lines and scrolls the rest. Measurements use the layout's own width, so predicted and rendered line breaks match. The orb keeps its size; text scrolls when it has to. The learner's line may wrap to two lines.
Emulator captures from the synthetic long-reply fixture and one capture from a 360x804dp phone show the target passage keeping its lines, the meaning keeping its first two lines, and the learner's line wrapping.
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No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info⚙️ Run configurationConfiguration used: defaults Review profile: CHILL Plan: Advanced Run ID: 📒 Files selected for processing (1)
Included review availability: Your plan provides up to 4 included reviews per hour; 2 remain after this review. 📝 WalkthroughWalkthroughThe Talk screen now uses a custom layout for target and meaning passages. It precomputes text content and styles, applies bounded sizing and independent scrolling, supports two-line user captions, and adds sizing tests plus screenshot evidence. ChangesCaption layout
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Bug fix Sequence Diagram(s)sequenceDiagram
participant TalkScreen
participant CaptionsLayout
participant TextMeasurer
TalkScreen->>CaptionsLayout: Provide target and meaning content
CaptionsLayout->>TextMeasurer: Measure passage text
TextMeasurer-->>CaptionsLayout: Return passage heights
CaptionsLayout-->>TalkScreen: Place passages and center the block
Suggested reviewers: Merge Risk: ⚪ Minimal · up to The caption layout change is ready to merge; no remaining issue is evidenced to affect caption visibility or scrolling. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@apps/android/app/src/main/java/chat/mural/ui/TalkScreen.kt`:
- Line 355: Update the targetCap calculation near targetLines.lineCount to
include the PinyinHelp supporting height alongside the capped target-text
height, while preserving the existing six-line cap and one-line minimum
behavior.
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⛔ Files ignored due to path filters (4)
release/android/evidence/caption-layout-2026-09-16/device-360x804dp-long-reply.pngis excluded by!**/*.pngrelease/android/evidence/caption-layout-2026-09-16/emulator-long-reply-scrolled.pngis excluded by!**/*.pngrelease/android/evidence/caption-layout-2026-09-16/emulator-long-reply-with-meaning.pngis excluded by!**/*.pngrelease/android/evidence/caption-layout-2026-09-16/emulator-short-reply.pngis excluded by!**/*.png
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apps/android/app/src/main/java/chat/mural/ui/TalkScreen.ktapps/android/app/src/test/java/chat/mural/ui/PassageLayoutTest.ktrelease/android/evidence/caption-layout-2026-09-16/manifest.json
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The six-line cap on the target passage and the two-line peek kept for the meaning were measured on the passage text alone, but each slot also carries supporting content: the pinyin toggle and reading under a Mandarin caption, and the "too long" or "failed" notice with its retry button under the meaning. With an oversized Mandarin caption the meaning slot was squeezed to its empty first line and the limit notice ended up below the viewport, which CaptionParityTest caught on CI. The caps now describe the passage text only; whatever a slot holds beyond that text is added to its cap or peek, so the notice and the pinyin controls stay reachable whenever the caption area has room for them, and scroll otherwise.
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Problem
On the Android Talk screen the target passage and its meaning shared the caption area as two weighted scrollers (1f and .72f) with fade edges on both ends. On a regular phone a four-line reply plus a three-line meaning did not fit either share, so both regions showed cut text at the same time. Learners read the stacked fades as text being lost. The learner's own line was also truncated to a single line with an ellipsis.
Reported from a real 360x804dp device (density 480) during an English session; the two original screenshots showed the first line of the reply hidden above the fade and the last line of the meaning dissolving below it.
What changed
TalkScreen.ktLayout(CaptionsLayout). Children other than the two passage slots (the meaning spacer, the learner's line, the sources button) are measured first at their natural height. The two passages split what remains through a pure function,passageHeights.TextMeasurerat the layout's own width and with the sameAnnotatedStringtheTextrenders, so predicted and rendered line breaks match.main.PassageLayoutTest.kt: seven unit cases forpassageHeights(fits, cap, tight space, short meaning, one-line floor, no space, meaning hidden).release/android/evidence/caption-layout-2026-09-16/: review captures with a manifest, following the existing evidence convention.Decisions
longSpanishReplyKeepsMeaningVisibleAndBothPassagesCanScrollencodes that. Whole-page scrolling like iOS was considered and rejected for Android: the microphone button would drop below the fold on long replies in a voice-first screen.Layoutinstead ofBoxWithConstraintswith estimated reserves. A first version reserved space for the learner's line by formula. A second-opinion review flagged two gaps: pinyin (expanded by default for Mandarin) and the sources button were not reserved, so they could eat the meaning's promised lines, and a tight budget could hand the target a zero-height viewport. Measuring the siblings for real and adding the one-line floor closes both.main.Verification
:app:testDebugUnitTest).PlayStoreCaptureTestandDesignReviewTest, 4/4 pass.Known limit: on that 360x804dp phone the caption budget is about 217dp with the orb at its size, so replies of three lines or more scroll the target. That is the expected trade-off of keeping the orb.
Captures
Emulator, synthetic long reply (411x915dp): target keeps four of five lines and scrolls, meaning keeps its first two lines, learner's line whole.
Same fixture after scrolling both passages to the end.
Short reply, unchanged layout.
Real 360x804dp device, live English reply scrolled to its end: two-line learner's line, meaning keeps two lines, orb at its original size.
Summary by CodeRabbit