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Kotlin 2.4.0 (#5760) stabilized several features this build still configured manually: - kotlin.uuid.Uuid (incl. Uuid.random/parse) is stable: remove the global -opt-in and the per-file @OptIn(ExperimentalUuidApi) usages. Only the generateV4/V7 variants remain experimental and nothing in the repo uses them. - kotlin.time Clock/Instant have been stable since 2.3 and no still-experimental kotlin.time API is used: remove the global -opt-in=kotlin.time.ExperimentalTime. - Context parameters are stable: remove -Xcontext-parameters. - Annotation use-site defaulting (param-property) is the language default now; the compiler reported -Xannotation-default-target as redundant: remove it. - OptimizeNonSkippingGroups is default Compose compiler behavior and the feature flag is deprecated (removal slated for Kotlin 2.6): drop it from ComposeCompilerConfiguration. Verified: spotlessApply spotlessCheck detekt assembleDebug test allTests kmpSmokeCompile all pass (2756 tests, 0 failures), with no remaining warnings about the removed flags. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
:core:prefs
Overview
The :core:prefs module provides a type-safe preferences layer backed by DataStore (multiplatform). On Android, legacy SharedPreferences are automatically migrated to DataStore on first access via SharedPreferencesMigration.
Key Components
1. DataStore Providers (CorePrefsAndroidModule)
Provides named DataStore<Preferences> singletons for each preference domain (analytics, app, map, mesh, radio, UI, etc.). Each DataStore uses an injected CoroutineDispatchers.io scope and includes a SharedPreferencesMigration for seamless migration from the legacy preference files.
2. Specialized Prefs
RadioPrefs: Manages radio-specific settings (e.g., the last connected device address).UiPrefs: Manages UI preferences (e.g., theme selection, unit systems).MapPrefs: Manages mapping preferences (e.g., preferred map provider).
Dependency Graph
graph TB
:core:prefs[prefs]:::kmp-library
:core:prefs -.-> :core:repository
:core:prefs -.-> :core:common
:core:prefs -.-> :core:di
classDef android-application fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;
classDef android-application-compose fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;
classDef compose-desktop-application fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;
classDef android-feature fill:#FFD6A5,stroke:#000,stroke-width:2px,color:#000;
classDef android-library fill:#9BF6FF,stroke:#000,stroke-width:2px,color:#000;
classDef android-library-compose fill:#9BF6FF,stroke:#000,stroke-width:2px,color:#000;
classDef android-test fill:#A0C4FF,stroke:#000,stroke-width:2px,color:#000;
classDef jvm-library fill:#BDB2FF,stroke:#000,stroke-width:2px,color:#000;
classDef kmp-feature fill:#FFD6A5,stroke:#000,stroke-width:2px,color:#000;
classDef kmp-library-compose fill:#FFC1CC,stroke:#000,stroke-width:2px,color:#000;
classDef kmp-library fill:#FFC1CC,stroke:#000,stroke-width:2px,color:#000;
classDef unknown fill:#FFADAD,stroke:#000,stroke-width:2px,color:#000;