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Complete Swipe-to-Dismiss list demo (delete + archive + undo)#210

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dipenpradhan wants to merge 11 commits into
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dipenpradhan:issue-188-swipe-dismiss
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Complete Swipe-to-Dismiss list demo (delete + archive + undo)#210
dipenpradhan wants to merge 11 commits into
Gurupreet:masterfrom
dipenpradhan:issue-188-swipe-dismiss

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@dipenpradhan dipenpradhan commented Jun 7, 2026

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Summary

Completes the Swipe-to-Dismiss / Swipe Actions list demo, as proposed in #188.

The "Swipeable Lists" tab under Advance Lists already rendered SwipeToDismissBox items, but swipes never removed anything (onItemSwiped was a no-op), there was no undo, and only one direction was enabled. This PR makes it a full Material3 swipe-actions showcase:

  • Swipe left (end → start): red Delete background with icon, item removed from the LazyColumn
  • Swipe right (start → end): Archive reveal background with icon, item removed
  • Undo Snackbar after either action restores the item at its original position (the M3-recommended interaction pattern)
  • Directional threshold configured via positionalThreshold (half the item width)
  • Items are keyed (key = { it.id }) so dismiss state is correctly scoped per item, including after undo
  • Dark mode supported via the existing errorContainer/secondaryContainer theme colors
  • README "Coming Soon" no longer lists Swipe lists

Acceptance criteria from #188

  • SwipeToDismissBox demo with directional thresholds configured
  • Background shown during swipe (red Delete background with icon)
  • Item removed from the list on full swipe
  • Undo Snackbar after deletion
  • Dark mode support
  • Reachable from Home → Advance Lists → Swipeable Lists (existing wiring)
  • README updated

Closes #188

Verification

  • ./gradlew ktfmtCheck assembleDebug testDebugUnitTest passes locally (JDK 17, SDK 35)
  • CI ./gradlew build on this PR

Merge order

PR 10 of the stacked series. Depends on #195 → … → #209 — its diff includes their commits until they merge.

🤖 Generated with Claude Code

cc @Gurupreet for review

dipen and others added 11 commits June 6, 2026 15:57
@claude
refactor: migrate Room annotation processing from KAPT to KSP
561f734 
- Replace kotlin-kapt with com.google.devtools.ksp in the app module
  and the common-kotlin convention plugin
- Add Room compiler via the ksp configuration instead of kapt
- Drop the kapt { correctErrorTypes = true } workaround
- Add symbol-processing-gradle-plugin (1.9.22-1.0.17) to buildSrc

Fixes Gurupreet#184

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@claude
feat: upgrade Kotlin to 2.1.20 with the K2 compiler
516a461 
- Bump kotlin-gradle-plugin 1.9.22 -> 2.1.20 (root + buildSrc)
- Adopt the new Compose Compiler Gradle plugin
  (org.jetbrains.kotlin.plugin.compose) in app and convention plugins
- Drop composeCompiler version constant and composeOptions blocks
- Replace removed -Xopt-in flag with -opt-in
- Bump KSP to 2.1.20-1.0.31 to match Kotlin

Fixes Gurupreet#182

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@claude
style: bump ktfmt-gradle to 0.22.0 and reformat
0279224 
ktfmt-gradle 0.12.0 fails with 'Generic error during file processing'
once Kotlin 2.x is on the buildscript classpath. 0.22.0 supports
Kotlin 2.x and also formats *.kts build scripts, hence the repo-wide
reformat (no functional changes).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@claude
feat: bump compileSdk and targetSdk to 35 (Android 15)
d45b54d 
- AGP 8.2.2 -> 8.7.3 (compileSdk 35 supported from AGP 8.6)
- Gradle wrapper 8.5 -> 8.9 (required by AGP 8.7.x)

Fixes Gurupreet#185

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@claude
feat: adopt the Compose BOM (2024.12.01) for unified version management
0323bca 
- Replace compose/material3 version constants with composeBom
- Strip explicit versions from BOM-managed artifacts
- Import the BOM platform on every configuration that receives
  Compose artifacts (implementation, debugImplementation,
  androidTestImplementation, :data)
- Migrate API removals that come with Compose 1.7 / Material3 1.3:
  SmallTopAppBar -> TopAppBar, rememberRipple -> material3 ripple
- Update the outdated README Compose badge to the BOM version

Fixes Gurupreet#186

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@claude
feat: upgrade AndroidX Lifecycle to 2.8.7
b3e191b 
All lifecycle artifacts (viewmodel-compose, viewmodel-ktx,
livedata-ktx, runtime-ktx, viewmodel-savedstate) move together
via the shared androidLifecycleGrouped version.

Fixes Gurupreet#192

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@claude
feat: upgrade Navigation Compose to 2.8.9 with type-safe routes
afc9f0b 
- navCompose 2.7.7 -> 2.8.9; add kotlinx-serialization-json 1.8.0
- Apply the Kotlin serialization plugin in gmail and tiktok demos
- Gmail: string routes -> @serializable route objects
- TikTok: TikTokScreen becomes a serializable sealed interface;
  the profile route carries a typed userId argument read via
  toRoute(), bottom bar selection uses NavDestination.hasRoute

Fixes Gurupreet#193

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@claude
refactor: migrate from ExoPlayer 2.x to AndroidX Media3 1.5.1
1ade1c9 
- Replace com.google.android.exoplayer:exoplayer with
  androidx.media3:media3-exoplayer and media3-ui
- Rewrite TikTokPlayer against the Media3 API (SimpleExoPlayer was
  removed; default media source factory handles asset URIs)
- Removes the last Jetifier warning produced by ExoPlayer 2.x

Fixes Gurupreet#183

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@claude
feat: upgrade Coil to 3.1.0
229d33d 
- Move to the io.coil-kt.coil3 artifact group
- Add coil-network-okhttp (network fetching is a separate artifact
  in Coil 3, self-registered via ServiceLoader)
- Migrate call sites: rememberImagePainter(data=) ->
  rememberAsyncImagePainter(model=), coil.* -> coil3.* imports

Fixes Gurupreet#191

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@claude
feat: implement Pull-to-Refresh demo with Material3 PullToRefreshBox
ffcbcb5 
PullRefreshList was a fully commented-out stub (TODO revisit pull
refresh). It now demonstrates the first-party PullToRefreshBox with
a simulated 1.5s reload that prepends an item to the list.

Fixes Gurupreet#187

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@claude
feat: complete Swipe-to-Dismiss demo with delete/archive actions and …
368f005 
…undo

The Swipeable Lists tab rendered SwipeToDismissBox items but swipes
never removed anything. Now:
- swipe left deletes (red background), swipe right archives
- items are actually removed from the keyed LazyColumn
- an Undo snackbar restores the item at its original position
- positionalThreshold set to half the item width

Fixes Gurupreet#188

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@dipenpradhan dipenpradhan force-pushed the issue-188-swipe-dismiss branch from 80d77d8 to 368f005 Compare June 7, 2026 06:33
@dipenpradhan dipenpradhan mentioned this pull request Jun 7, 2026
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Feature: Add Swipe-to-Dismiss / Swipe Actions list demo

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@dipenpradhan