[jlc488]

What

DdsSegmentedControl + DdsSegment for DDS for Android: one choice among a few visible options (a view switch, a filter, a type such as Person / Business). It is the web SegmentedControl (packages/dds-css/src/segmented-control.css, packages/dds-react|solid|vue/src/segmented-control.*) at the size the web uses on a touch screen.

• Track: bg.subtle, 1dp border.strong edge, radius.md, 2dp inside it and 2dp between segments.
• Segment: radius.sm, label type, text.secondary. Chosen: bg.default face, 1dp border.strong edge, level-1 shadow (DdsElevation.level1), text.primary, weight 600.
• Height: one size. The track is 50dp = 48dp of touch + the 1dp edge above and below; a segment's face is 44dp (48 less 2dp above and below), and a content-width segment is at least 44dp wide. Large text mode uses the 56dp touch height. The web's md 40 / sm 32 are pointer heights; under pointer: coarse the web also gives both a 50 track, so Android has no size argument.
• Width: content width by default. Every label holds its bold width in every state (the existing WeightStableLabel), so choosing never moves a neighbour; too many segments scroll inside the track. fullWidth = true shares the width equally (the pixels an equal split leaves over go to the first segments, so the last one ends on the inner edge) and ends a long label in an ellipsis. Labels never wrap.
• States: pressed = the face's pressed tint (no ripple, as on the web), hover tint for a mouse, focus = a 2dp border.focus line inside the segment that replaces the chosen edge, enabled = false dims the whole track to 0.45, DdsSegment(enabled = false) dims one segment, readOnly can be focused and read but not changed, error turns the track edge status.danger and shows a spoken sentence under it (never the color alone, same line as DdsTextField).
• Screen reader: a radio group (selectableGroup); each segment is a Role.RadioButton with its selected state; the unseen bold copy is not read. contentDescription names the group when there is no visible label.
• segments must be non-empty with unique values (else IllegalArgumentException); a selected that matches none chooses none; onSelect is not called for the already chosen segment or while readOnly.

Catalog: a "Segmented control" section on the Parts tab (full width, content width with a disabled segment, read-only, disabled, error).

Docs: guide §12 (docs/mobile-native.md + .ko.md), android/CHANGELOG.md + .ko.md, both READMEs, backlog.

One decision for the owner: guide §10 no. 5 drops card and menu shadows on Android. This face keeps the web's level-1 shadow (the segmented look the owner picked); the 1dp edge sets it apart in the dark theme, where the shadow barely shows. Recorded as §10 no. 20, not yet confirmed.

First consumer

Qooroo's card-type toggle (개인 / 비즈니스, jlc488/qooroo, branch redesign/t6-editor) ships a local Compose copy, DdsStyleSegmented, written to the same spec. This replaces it.

Verified locally

• ./gradlew testDebugUnitTest :dds-tokens:lintRelease :dds-compose:lintRelease :dds-compose-testing:lintRelease :dds-tokens:assembleRelease :dds-compose:assembleRelease :dds-compose-testing:assembleRelease :catalog:assembleDebug :dds-compose:assembleDebugAndroidTest on the final commit — BUILD SUCCESSFUL; every unit suite 0 failures / 0 errors, new SegmentedTest 4/4.
• node --test tests/android-tokens.test.mjs 13/13, token/icon --check and check-android-sources.mjs clean.
• Device tests on SM-F971N (Android 17): SegmentedOnDeviceTest 20/20 (failures="0" errors="0" skipped="0") — sizes, insets, no shift on choosing, full-width shares and end edge, scroll and no wrap, pixel checks of track edge / track / chosen face / chosen edge in light, dark and error, disabled opacity, screen-reader semantics, callbacks, read-only, disabled.
• Looked at the catalog's "Segmented control" section on the same phone (unfolded, font scale 1.3) in light and dark: every track starts on the section's text line, full-width halves are equal, the disabled segment and the disabled control are dimmed, read-only is not, the error shows the danger edge and the sentence.

Release

The owner asked for this to ship: the second commit makes it 0.8.0 (VERSION_NAME, changelog, guide, READMEs, backlog). After merge, android-v0.8.0 goes on the merge commit.