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Upgrade Coil to 3.x#208

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dipenpradhan wants to merge 9 commits into
Gurupreet:masterfrom
dipenpradhan:issue-191-coil3
Open

Upgrade Coil to 3.x#208
dipenpradhan wants to merge 9 commits into
Gurupreet:masterfrom
dipenpradhan:issue-191-coil3

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Summary

Upgrades Coil from 2.5.0 to 3.1.0, as proposed in #191.

  • New artifact group: io.coil-kt.coil3:coil-compose
  • Added io.coil-kt.coil3:coil-network-okhttp — in Coil 3 the network fetcher is a separate artifact (it self-registers via ServiceLoader, so the demo screens that load from picsum/TMDB/CoinGecko keep working with no ImageLoader configuration)
  • Code migration across all image-loading call sites:
    • coil.* imports → coil3.*
    • rememberImagePainter(data = …) (removed in Coil 3) → rememberAsyncImagePainter(model = …)
    • AsyncImage / AsyncImagePainter / ExperimentalCoilApi imports moved to their coil3 packages

Affected demos: Movies, Crypto (incl. the Wear screen), TikTok discover grid, and the app's animated lists.

Closes #191

Verification

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

Merge order

PR 8 of the stacked series. Depends on #195#196#197#204#205#206#207 — its diff includes their commits until they merge.

🤖 Generated with Claude Code

cc @Gurupreet for review

dipen and others added 9 commits June 6, 2026 15:57
- 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>
- 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>
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>
- 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>
- 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>
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>
- 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>
- 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>
- 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>
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Enhancement: Upgrade Coil to 3.x

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