Migrate to Koin 4.x: Replace deprecated loadKoinModules with upfront declaration

[Copilot]

Addresses Koin 4.x breaking changes beyond the getViewModel → koinViewModel migration. The codebase used deprecated lazy module loading with loadKoinModules() throughout features, which is no longer supported.

Changes

• Module loading architecture: All modules now declared upfront in JetpackApp.getFeatureModules() via BaseApp.getFeatureModules() hook
• Removed deprecated API: Eliminated all loadKoinModules() calls and lazy injectXXX() functions across 10 feature modules
• Simplified Composables: Removed unnecessary module loading from all feature Composables—modules are pre-loaded at startup
• ApiModule composition: Changed from loadKoinModules(jsonPlaceholderApiModule) to includes(jsonPlaceholderApiModule)

Before/After

Before (deprecated pattern):

// Module
fun injectPosts() = loadPostsModules
private val loadPostsModules by lazy { loadKoinModules(postsModule) }

// Composable
@Composable
fun PostsFeature() {
    injectPosts()  // Lazy load module
    val viewModel = koinViewModel<PostsViewModel>()
}

After (Koin 4.x):

// Module
val postsModule: Module = module {
    factory<PostsRepository> { PostsRepositoryImpl(get()) }
    viewModel { PostsViewModel(get()) }
}

// Application
class JetpackApp : BaseApp() {
    override fun getFeatureModules() = listOf(postsModule, /* ... */)
}

// Composable
@Composable
fun PostsFeature() {
    val viewModel = koinViewModel<PostsViewModel>()  // Module already loaded
}

Net: -76 lines, improved startup performance, Koin 4.x compliant.

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[Copilot]

Pull request overview

This PR successfully migrates the codebase from Koin's deprecated lazy module loading pattern to Koin 4.x's upfront module declaration approach. The migration eliminates all loadKoinModules() calls and lazy injectXXX() functions, replacing them with a centralized module registration system via BaseApp.getFeatureModules().

Key Changes

• Introduced getFeatureModules() hook in BaseApp to enable upfront module declaration at application startup
• Migrated 10 feature modules from lazy loading to upfront registration in JetpackApp
• Replaced loadKoinModules() with includes() for module composition in ApiModule

Reviewed changes

Copilot reviewed 23 out of 23 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
shared/core/src/main/java/com/alxnophis/jetpack/core/base/application/BaseApp.kt	Added getFeatureModules() hook and integrated feature modules into startup initialization
shared/api/src/main/java/com/alxnophis/jetpack/api/di/ApiModule.kt	Replaced loadKoinModules() with includes() for sub-module composition
feature/settings/src/main/java/com/alxnophis/jetpack/settings/di/SettingsModule.kt	Removed lazy loading wrapper, made module public
feature/settings/src/main/java/com/alxnophis/jetpack/settings/ui/navigation/SettingsNavGraph.kt	Removed injectSettings() call from Composable
feature/posts/src/main/java/com/alxnophis/jetpack/posts/di/PostsModule.kt	Removed lazy loading wrapper, made module public
feature/posts/src/main/java/com/alxnophis/jetpack/posts/di/PostDetailModule.kt	Removed lazy loading wrapper, made module public
feature/posts/src/main/java/com/alxnophis/jetpack/posts/ui/composable/PostsFeature.kt	Removed injectPosts() call from Composable
feature/posts/src/main/java/com/alxnophis/jetpack/posts/ui/composable/PostDetailFeature.kt	Removed injectPostDetail() call from Composable
feature/notifications/src/main/java/com/alxnophis/jetpack/notifications/di/NotificationsModule.kt	Removed lazy loading wrapper, made module public
feature/notifications/src/main/java/com/alxnophis/jetpack/notifications/ui/navigation/NotificationsNavGraph.kt	Removed injectNotifications() call from Composable
feature/my-playground/src/main/java/com/alxnophis/jetpack/myplayground/di/MyPlaygroundModule.kt	Removed lazy loading wrapper, made module public
feature/my-playground/src/main/java/com/alxnophis/jetpack/myplayground/ui/composable/MyPlaygroundFeature.kt	Removed injectMyPlayground() call from Composable
feature/location-tracker/src/main/java/com/alxnophis/jetpack/location/tracker/di/LocationTrackerModule.kt	Removed lazy loading wrapper, made module public
feature/location-tracker/src/main/java/com/alxnophis/jetpack/location/tracker/ui/composable/LocationTrackerFeature.kt	Removed injectLocationTracker() call from Composable
feature/home/src/main/java/com/alxnophis/jetpack/home/di/MainModule.kt	Removed lazy loading wrapper, made module public
feature/home/src/main/java/com/alxnophis/jetpack/home/ui/composable/HomeFeature.kt	Removed injectHome() call from Composable
feature/game/ballclicker/src/main/java/com/alxnophis/jetpack/game/ballclicker/di/BallClickerModule.kt	Removed lazy loading wrapper, changed from internal to public
feature/game/ballclicker/src/main/java/com/alxnophis/jetpack/game/ballclicker/ui/composable/BallClickerFeature.kt	Removed injectBallClicker() call from Composable
feature/file-downloader/src/main/java/com/alxnophis/jetpack/filedownloader/di/FileDownloaderModule.kt	Removed lazy loading wrapper, changed from internal to public
feature/file-downloader/src/main/java/com/alxnophis/jetpack/filedownloader/ui/composable/FileDownloaderFeature.kt	Removed injectFileDownloader() call from Composable
feature/authentication/src/main/java/com/alxnophis/jetpack/authentication/di/AuthenticationModule.kt	Removed lazy loading wrapper, made module public
feature/authentication/src/main/java/com/alxnophis/jetpack/authentication/ui/composable/AuthenticationFeature.kt	Removed injectAuthentication() call from Composable
app/src/main/java/com/alxnophis/jetpack/application/JetpackApp.kt	Implemented getFeatureModules() to register all 10 feature modules

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Pull request overview

Copilot reviewed 26 out of 26 changed files in this pull request and generated 1 comment.

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