tracelet_android 3.2.16

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• FIX (Native): Resolve Android/iOS getting stuck in the moving state and never transitioning back to stationary, which kept continuous GPS active and drained the battery. The accelerometer stillness sampler now stays active during the stop-timeout countdown and requires sustained motion — rather than a single noisy or stale sample — to abort it (#142).
• FIX (Native): Background and post-reboot location captures are persisted (and therefore synced) again. Headless tracking (killed-state relaunch / boot) never calls ready(), so an internal readiness guard silently dropped every captured location before it reached the database, leaving auto-sync with nothing to upload.
• FIX (Android): The foreground-service notification now reliably appears when the app is backgrounded or terminated with showNotificationOnPauseOnly enabled. The app's own foreground service skewed foreground/background detection (and OS process-importance updates lag), so the pause-only notification was suppressed even though tracking and syncing continued.

• FIX (Native): Allow getState() and stop() to be called before ready() is invoked, correctly reporting persistent state and shutting down background services if the app was restarted from a killed state.
• CHORE: Update dependencies and constraints.
• FIX: Resolve MissingPluginException and test timing issues with setHasCustomSyncBodyBuilder.

• FIX(sync): fix background auto-sync abortion when no custom builder is registered (Issue #134). (631542a1)
• FIX(android): prevent headless engine from overwriting sync interceptor (Issue 136). (b166bcd5)
• FIX(android): align deltaCoordinatePrecision default with Dart (Issue #137). (5edb9910)
• DOCS(android): document Issue 136 fix to prevent regression. (36b4b9c9)
• DOCS: add official documentation URL to all package READMEs. (9eb6951e)
• DOCS: integrate nextra website and update pubspec URLs. (99b7fda8)

• FIX(android): startOnBoot now resumes tracking after a reboot even when the OS refuses to start the location foreground service from BOOT_COMPLETED (Android 14 disallows starting a location-type foreground service from boot). Previously the boot start was deferred until the app was next opened, so tracking silently never resumed after a reboot — BootReceiver now falls back to background WorkManager/alarm tracking when the foreground-service start is blocked.
• FIX(android): HTTP sync now works headlessly after a reboot. A new process-start ContentProvider wires the headless Dart bridge (TraceletSdk.dartSyncInterceptor + TraceletBootstrap.headlessDispatcherFactory) so background sync can refresh the auth token and build a custom sync body via the registered headless callbacks — previously these were only wired when a UI Flutter engine attached, so after a reboot sync POSTed with a stale token (or the wrong payload) until the app was opened.

• CHORE: Re-release to align the full federated package set and native SDKs to a single consistent version. The 3.2.11 release published with mismatched versions across some packages (a few resolved to 3.2.10). No functional code changes.

• FIX(android): Fall back to the headless engine when a custom sync-body round-trip times out, instead of aborting the sync. Fixes location sync stopping after a few minutes while the app is backgrounded (Issue #134).

• FIX: ensure geofence action (ENTER/EXIT/DWELL) is correctly parsed from nested payloads on all platforms and update CI to scan dynamic frameworks for symbols.

• FIX(ios): Remove TraceletCore+Dummy.swift / TraceletSyncFFI+Dummy.swift — @_silgen_name declarations from the old static library model caused "Undefined symbol" linker errors after the static→dynamic xcframework migration.
• FIX(android): Catch ForegroundServiceStartNotAllowedException in LocationService.start() so calling ready() from the background on Android 12+ no longer crashes the host app; the foreground service start is deferred until the app returns to foreground.

• FIX: Persist geofence ENTER/EXIT events in offline queue and auto-sync to server — events were previously dispatched to the app but never stored in the local SQLite database (Issue #128).
• FIX: Structured event envelope (event_type, event_payload) for geofence events round-trips correctly through getLocations() and insertLocation().
• FIX(sync): Stop POSTing malformed error payloads on failed HTTP sync requests; fix iOS custom-body deadlock in setSyncBodyBuilder (Issue #125).
• FIX(android): Throw NOT_READY error before ready() is called to match iOS parity; previously Android silently ignored SDK calls before initialization (Issue #129).
• FIX(ios): Resolve flutter_rust_bridge has not been initialized on release builds — TraceletCore is now a dynamic framework, preventing dead-code stripping of FRB symbols (Issues #116, #123, #124).
• FIX(android): Resolve Failed to lookup symbol 'frb_get_rust_content_hash' — Rust symbols are now loaded directly from libtracelet_core.so bypassing RTLD_LOCAL isolation (Issues #116, #123).
• PERF(ios): Reduce background motion sensor CPU/battery usage — accelerometer polling is now paused when stationary (Issue #130).
• FIX: Persist historical is_moving state per location record so getLocations() returns accurate values instead of always returning the current live state (Issue #126).

• FIX(ios): prevent dead code stripping of flutter_rust_bridge symbols in release builds.
• FIX(android): implement OEM hardening mitigations and introduce showPowerManager to handle aggressive battery restrictions on specific OEM devices.

• PERF: Optimize database timestamp queries for O(log N) fast filtering and resolve precision bugs (Issue #119).
• FEAT: Implement sslPinningFingerprints natively across iOS and Android with Rust configs.
• FIX: Include pinned fingerprints in SSL verification error logs and messages.
• FIX: Rate limit Android MotionDetector logcat flooding during stillness (Issue #121).
• FIX: Resolve race conditions in tests for Issue 118.
• REFACTOR: Update integration test to use Config.fromMap for comprehensive Tracelet configuration testing.

• FIX: Resolved iOS accelerometer sensitivity mismatch (stationary lock) by normalizing incoming m/s² thresholds to g-force expected by CMMotionManager.
• FIX: Unify motion detection initial state and resume behavior across Android and iOS, preventing incorrect forced states on app launch and correctly resuming saved states.
• FIX: Resolved flutter_rust_bridge dynamic library load failures on release builds for users without use_frameworks! by preserving global symbols during Xcode stripping.

• FIX(ios): safely resolve dynamic symbols when use_frameworks! :linkage => :dynamic is used.

• FIX: Force speed motion manager to evaluate initial speed on Android to prevent the state machine from being permanently stuck in MOVING when indoors (#115).
• FIX: Resolve flutter_rust_bridge has not been initialized crash by ensuring the Rust core is instantiated and initialized before accessing methods (#116).
• CHORE: Sync release versions across all packages.

• CHORE: Sync release versions across all federated packages and update Swift Package Manager configuration.

• CHORE: Align federated package versions and include additional patch updates.

• FEAT(android): Add reverse geocoding functionality.

• FIX(android): bump Android SDK and tracelet_android build.gradle versions to 3.1.14

• Bump "tracelet_android" to 3.1.10.

• FIX(android): conditionally apply kotlin-android plugin to support older flutter SDKs while preventing warnings in modern Flutter environments.
• CHORE(ci): add strict pre-publish flutter build verification step to release.yml.

• Fix iOS SPM publishing

• FIX(android): apply kotlin-android plugin to fix gradle build errors on newer AGP versions.
• FIX(ios): fix SPM source folder paths in release bundling to ensure SDK compiles properly via CocoaPods.
• FIX(ios): fix duplicate module import errors by adding conditional import checks for TraceletSDK.

• CHORE: Sync release versions across workspace.

• FIX(ios): Add missing FlutterFramework dependency to SPM plugin configuration to resolve compilation failures and PlatformExceptions.

• FEAT: Massive Architecture Rewrite — Core algorithms are now powered by a high-performance Rust Core using flutter_rust_bridge.
• FEAT: Smart Motion Mode — Introduced MotionDetectionMode.smart powered by the Rust battery budget engine.
• FEAT: Migrated all platform event channels to use strongly-typed Pigeon bridges.

• FIX: resolve background tracking loops, location stream drops, and permission issues. (8abc7d41)
• FIX: refactor string comparisons to enum indexing across all layers. (b591b246)
• FIX: refactor speed motion strings to typed enums across Flutter, Pigeon, Android, and iOS SDKs. (e974b728)
• FEAT(android): smart foreground notification visibility. (fbf46b27)
• FEAT: Speed-Based Motion Detection (#83). (5421e7a0)

• CHORE: Update tracelet_platform_interface constraint to ^2.0.8.
• CHORE: Version bump for monorepo consistency and package lockstep alignment.

• FIX(interface): correct intToAuthStatus permission index mappings ([#80](https://github.com/Ikolvi/Tracelet/issues/80)). (8cfd7f51)
• FIX(android): resolve SQLCipher migration crashes by explicitly loading the sqlcipher native library and decoupling the classpath availability check ([#78](https://github.com/Ikolvi/Tracelet/issues/78)). (757147ee)
• FIX(android): prevent false positive shake events using absolute sensor magnitude, and declare stationary state immediately when timeout is zero or negative ([#79](https://github.com/Ikolvi/Tracelet/issues/79)). (2aac0a17)
• FIX(android): removed manual Kotlin Gradle Plugin (KGP) configuration to support Flutter's new Built-in Kotlin feature ([#81](https://github.com/Ikolvi/Tracelet/issues/81)).
• CHORE: Update tracelet_platform_interface constraint to ^2.0.7.

• CHORE: Update tracelet_platform_interface constraint to ^2.0.6.
• CHORE: Bump native plugin implementation version to 2.0.6.

• CHORE: Version bump for monorepo consistency and package lockstep alignment.
• CHORE: Update tracelet_platform_interface constraint to ^2.0.5.
• CHORE: Bump native plugin implementation version to 2.0.5.

• CHORE: Version bump for monorepo consistency and native SDK alignment.
• CHORE: Update tracelet_platform_interface constraint to ^2.0.4.

• FIX: Removed unreliable timestamp drift heuristic from location spoofing detection.

• CHORE: Version bump for iOS status bar fix consistency.
• CHORE: Update tracelet_platform_interface constraint to ^2.0.1.

• BREAKING: Adopts an "on-demand" dependency model. Core SDK no longer bundles GMS Location, SQLCipher, or Play Integrity by default, reducing APK size by ~16 MB. Developers must now explicitly add these to their android/app/build.gradle if required.
• BREAKING: Migrated to Pigeon for all platform-to-native communication, replacing MethodChannel with type-safe generated interfaces.
• FEAT: Full support for AOSP-only environments via standard LocationManager fallback when GMS is unavailable.
• CHORE: Bump native tracelet-sdk constraint to 2.0.0.

2: 3: - CHORE: Bump native tracelet-sdk constraint to 1.1.4. 4: 5: ## 1.9.2

• FIX: Tracelet.locationStream no longer goes silent when flutter_overlay_window (or any FlutterEngineGroup plugin) creates a secondary in-process FlutterEngine. The primary-instance guard (#51) unconditionally skipped EventDispatcher re-binding for all secondary engines, including in-process overlay engines that attach on the main thread. A Looper-based discriminator now selectively re-binds the dispatcher for main-thread overlay engines while preserving the full skip for off-thread headless/Firebase engines (#51 fix intact).
• FIX: destroyAll() now guards all background-critical subsystems when stopOnTerminate: false (#65). httpSyncManager.stop(), scheduleManager.stop(), and stopHeartbeat() were still called unconditionally on every swipe-to-dismiss, killing HTTP sync and heartbeat even when background tracking should survive. Fixed in native tracelet-sdk 1.1.2.
• TEST: Added secondaryMainThreadEngine_rebindsDispatcherOnly and secondaryBackgroundThreadEngine_fullySkipped to PluginSecondaryEngineGuardTest covering both discriminator branches. Existing headless tests updated to stub isMainThread=false.
• CHORE: Bump native tracelet-sdk constraint to 1.1.2.

• FIX: destroyAll() now respects stopOnTerminate: false for continuous (mode 0) and geofence (mode 1) tracking modes (#63). locationEngine.destroy() was unconditionally called, racing with LocationService.onTaskRemoved() native bootstrap. PeriodicLocationWorker static refs (eventSender, httpSyncManager) are also now preserved when keepPeriodicAlive is true.
• CHORE: Bump native tracelet-sdk constraint to 1.1.1.

• FIX: LocationService no longer crashes the host app with RemoteServiceException: Context.startForegroundService() did not then call Service.startForeground() (#59). Reproducible on real devices when using periodicUseForegroundService: true. Root cause: onStartCommand only promoted to foreground for ACTION_START, but the system can deliver intents for other actions (and null-intent sticky restarts after a system kill) under the same foreground-service contract. Fixed in native tracelet-sdk 1.1.0 by always promoting at the top of onStartCommand.
• FIX: Picks up the tracelet_platform_interface 1.9.0 fix that restores extras and vertices propagation for addGeofence (#58). No native-side changes for this part.
• CHORE: Bump native tracelet-sdk constraint to 1.1.0.
• TEST: Added Robolectric LocationServiceForegroundContractTest covering all 5 entry paths (ACTION_START, ACTION_STOP, ACTION_UPDATE_NOTIFICATION, ACTION_BUTTON, null-intent sticky restart).
• TEST: Added Robolectric regression test for EventDispatcher headless-fallback geofence extras forwarding.

• PERF: Reduce first-fix latency on stationary → moving transitions. LocationEngine.changePace(true) now fires an additional one-shot getCurrentLocation() so a fresh GPS fix arrives as soon as the hardware is warm, instead of waiting for locationUpdateInterval on the continuous stream. The one-shot is guarded by a CancellationTokenSource that is cancelled on stop() (#54).
• FIX: After a manual Tracelet.changePace(false), MotionDetector’s accelerometer + significant-motion listeners are now re-engaged so real motion can resume tracking. Previously the SDK could get stuck in a permanent stationary state with no sensors listening.
• FIX: Bump Android native SDK to 1.0.12.

• FIX: Geofence extras are now delivered correctly to onGeofence callbacks. Previously, extras were persisted via Map.toString() and could not be parsed back into a Map, causing GeofenceEvent.extras to always arrive empty (#51 follow-up).
• FIX: Location extras are now included in read-back location maps (previously silently dropped in cursorToLocation).
• FIX: Bump Android native SDK to 1.0.11.

• FIX: Guard against secondary FlutterEngine (e.g. Firebase background messaging) overwriting SDK singleton's event sender and callbacks (#51).

• FIX: Killed-state tracking now works reliably — stopBootTracking() deferred from sdk.initialize() to sdk.ready() so boot-mode native tracking (LocationEngine + HttpSyncManager) survives until the Dart side explicitly takes over (#50).
• FIX: Bump Android SDK to 1.0.10.

• FEAT: Add syncInterval support — timer-based HTTP sync via ScheduledExecutorService (#50).
• FEAT: Bump native SDK dependency to exact version 1.0.9.

• FIX: HTTP sync payload now uses canonical is_moving (snake_case) and ISO 8601 timestamps, matching iOS format (#48).
• FIX: Bump native SDK dependency to exact version 1.0.8.

• CHORE: Align federated package versions and include additional patch updates.
• FIX: Bump native SDK dependency to exact version 1.0.7.

• FIX: getCurrentPosition(samples: 1) now uses requestLocationUpdates instead of FusedLocationProviderClient.getCurrentLocation() — forces a fresh GPS fix with proper timeout instead of returning stale cached locations (#46).
• FIX: Guard onAttachedToEngine callback wiring with primaryInstance — prevents headless FlutterEngine from overwriting foreground httpSyncManager callbacks, which caused requestFreshHeaders to timeout (10s) or return notImplemented.
• PERF: Remove per-batch onRequestFreshHeaders invocation — eliminates MethodChannel round-trip before every sync request. Token refresh handled by onAuthorizationRequired on 401.
• FIX: Bump native SDK dependency to exact version 1.0.6.
• FIX: Privacy zones, audit trail, and encryption APIs now work before ready() — guards relaxed from isReady to ::manager.isInitialized.

• FIX: getCurrentPosition() falls back to last known location when FusedLocationProviderClient.getCurrentLocation() returns null (e.g. emulator, GPS-off) — fixes LOCATION_UNAVAILABLE errors (#46).
• FIX: Add public clearPendingPermissionCallback() to TraceletSdk — resolves cross-module internal visibility error.
• FIX: Bump native SDK dependency to exact version 1.0.5.

• FIX: Add isReady guards to all Android SDK methods — prevents UninitializedPropertyAccessException when called before ready() (re-fixes #46).
• FIX: Pin native SDK dependency to exact version 1.0.4 — prevents auto-resolving to incompatible newer releases.

• FIX: Add isReady guards to all Android SDK methods — prevents UninitializedPropertyAccessException when called before ready() (re-fixes #46).
• CHORE: Bump native SDK dependency com.ikolvi:tracelet-sdk 1.0.2 → 1.0.3.

• FIX: Guard soundManager access in handleMotionStateChange() and destroyAll() — prevents UninitializedPropertyAccessException if motion detector fires before full initialization.
• FIX: Use LocationManagerCompat.isLocationEnabled() instead of LocationManager.isLocationEnabled() — fixes crash on Android API 26/27.
• FIX: Enterprise dependencies (SQLCipher, Play Integrity, security-crypto) now degrade gracefully when absent — runtime Class.forName checks prevent NoClassDefFoundError.
• FIX: DeviceAttestor uses lazy IntegrityManagerFactory initialization — prevents crash when Play Integrity is not on the classpath.
• REFACTOR: Refined ProGuard/R8 consumer rules — narrower keep rules, -dontwarn for optional deps.
• TEST: Add destroyAll_doesNotCrash_withoutSoundManager unit test.

• CHORE: Version bump for iOS periodic mode location indicator fix.

• FIX: ConfigManager null-merge — partial setConfig() no longer overwrites existing non-null values (e.g. HTTP URL) with null defaults.
• FIX: PeriodicLocationWorker catch block now re-schedules the next exact alarm before returning Result.retry(), preventing permanent chain breaks on exceptions.
• FIX: GeofenceBroadcastReceiver bootstraps SDK when app is killed and geofenceManager is null, instead of silently dropping events.
• FIX: Align location map format — isCharging → is_charging, flat coords → nested coords map, add activity map, isMock → mock.
• FIX: DB cursorToLocation outputs is_charging in battery map.
• FEAT: Add destroySyncedLocations() — deletes only synced locations from the database.
• FEAT: Auto-purge synced locations after successful HTTP sync in HttpSyncManager.
• TEST: Add 28 location map format tests, 5 unit tests for ConfigManager null-merge and destroySyncedLocations.

• FIX: ConfigManager null-merge — partial setConfig() no longer overwrites existing non-null values (e.g. HTTP URL) with null defaults.
• FIX: PeriodicLocationWorker catch block now re-schedules the next exact alarm before returning Result.retry(), preventing permanent chain breaks on exceptions.
• FIX: GeofenceBroadcastReceiver bootstraps SDK when app is killed and geofenceManager is null, instead of silently dropping events.
• FEAT: Add destroySyncedLocations() — deletes only synced locations from the database.
• FEAT: Auto-purge synced locations after successful HTTP sync in HttpSyncManager.
• TEST: Add 5 unit tests for ConfigManager null-merge protection, deleteSyncedLocations, and destroySyncedLocations facade.

• FIX: Wire headlessFallback in eventSenderFactory — fixes geofence events silently dropped on task removal (#43).
• FIX: Add missing sendTrip/sendBudgetAdjustment to NoOpEventSender.
• FEAT: Rewrite EventDispatcher to use Pigeon TraceletEventApi FlutterApi.
• FEAT: Add TraceletHostApiImpl for type-safe Pigeon HostApi dispatch.
• REFACTOR: Extract native SDK to standalone sdk/android/ module (Maven Central: com.ikolvi:tracelet-sdk).
• REFACTOR: Remove misleading headless wiring dead code in LocationService.startBootTracking().
• CHORE: Enable returnDefaultValues for Android unit tests.

• FEAT: Rewrite EventDispatcher to use Pigeon TraceletEventApi FlutterApi instead of EventChannels.
• FEAT: Add TraceletHostApiImpl for type-safe Pigeon HostApi dispatch.
• REFACTOR: Extract native SDK code to sdk/android/ module.
• CHORE: Update cross-package dependency constraints to ^1.6.3-alpha.1.

• FEAT: Add 401-aware retry — on HTTP 401 Unauthorized, invoke headless headers callback to refresh token, then retry once with updated dynamic headers.

• FEAT: Add SSL certificate pinning — support for PEM certificates (CertificatePinner) and SHA-256 fingerprints (HandshakeCertificates) via OkHttp TLS.
• FEAT: Add dynamic HTTP headers with runtime callback support and headless background execution.
• FEAT: Add route context — attach arbitrary metadata to synced locations.
• FEAT: Add custom sync body builder with headless callback support.
• TEST: Add ConfigManagerSyncFeaturesTest — 12 Robolectric unit tests for sync features.
• CHORE: Add okhttp-tls:5.3.2 dependency.
• CHORE: Update tracelet_platform_interface dependency constraint to ^1.6.0.

• FEAT: Add boot-mode HttpSyncManager — locations are auto-synced to the server even when the app is killed or the device reboots.
• FEAT: Periodic-mode (WorkManager/ExactAlarm) now creates a dedicated boot-mode HttpSyncManager so periodic locations sync without the Flutter engine.
• TEST: Add Robolectric unit tests for boot-mode HTTP sync lifecycle.
• DOCS: Add "Background / Killed-State Sync" section to HTTP-SYNC.md.
• CHORE: Update tracelet_platform_interface dependency constraint to ^1.5.0.

• FIX: Rename PermissionManager to TraceletPermissionManager to avoid class name collision with permission_handler_apple (#32).
• CHORE: Bump kotlin-gradle-plugin 2.3.10 → 2.3.20.
• CHORE: Bump androidx.sqlite:sqlite 2.4.0 → 2.6.2.
• CHORE: Bump com.google.android.play:integrity 1.4.0 → 1.6.0.
• CHORE: Bump org.mockito.kotlin:mockito-kotlin 5.4.0 → 6.3.0.
• CHORE: Bump androidx.security:security-crypto 1.1.0-alpha06 → 1.1.0 (stable).
• CHORE: Update tracelet_platform_interface dependency constraint to ^1.4.6.

• CHORE: Update tracelet_platform_interface dependency constraint to ^1.4.5.

• FEAT: Add reducedAccuracy field to location map for cross-platform API consistency with iOS 14+.
• TEST: Add Robolectric unit tests for GPS fallback utilities (provider state transitions, location source classification).
• CHORE: Update tracelet_platform_interface dependency constraint to ^1.4.4.

• FEAT: Automatic GPS-off fallback — when GPS hardware is disabled, the engine auto-downgrades to PRIORITY_BALANCED_POWER_ACCURACY for Wi-Fi/cell tower fixes. Restores original priority when GPS is re-enabled.
• FEAT: Add locationSource classification to every location fix (gps, wifi, cell, network, unknown).
• FEAT: Add gpsFallback flag to provider state for Dart-side awareness of fallback state.
• CHORE: Update tracelet_platform_interface dependency constraint to ^1.4.3.

• FIX: Dead reckoning activation now uses LocationManager.isProviderEnabled(GPS_PROVIDER) instead of accuracy heuristic — Wi-Fi/cell fixes no longer prevent DR from activating when GPS hardware is disabled.
• FIX: Mock detection heuristic no longer false-flags Wi-Fi/cell locations as mock when GPS is disabled (satellite count 0 is expected without GPS hardware).
• FIX: activateDeadReckoning() now retries via timer instead of silently returning when lastLocation is null.
• CHORE: Update tracelet_platform_interface dependency constraint to ^1.4.2.

• FEAT: Dead reckoning — full IMU sensor fusion implementation (DeadReckoningEngine). Pedestrian Dead Reckoning with step detection (Weinberg formula) and magnetic heading. Vehicle mode with high-pass-filtered acceleration integration.
• FEAT: Auto-activation on GPS loss after configurable delay, auto-deactivation on GPS recovery or max duration.
• CHORE: Add dead reckoning config getters to ConfigManager.
• CHORE: Update tracelet_platform_interface dependency constraint to ^1.4.1.

• FEAT: Encrypted SQLite — database encryption via SQLCipher with Android Keystore-backed key management (DatabaseEncryptionManager).
• FEAT: Device attestation — Play Integrity API integration with nonce generation, token caching, and periodic refresh (DeviceAttestor).
• FEAT: Remote config — fetch remote configuration via HTTPS with ETag caching and config-change event streaming.
• FEAT: Dead reckoning — getDeadReckoningState() stub for future accelerometer/gyroscope-based position estimation.
• FEAT: Carbon estimator — getCarbonReport() returns CO₂ estimates from tracked locations using EU average emission factors.
• CHORE: Add net.zetetic:sqlcipher-android, androidx.sqlite:sqlite, androidx.security:security-crypto, and com.google.android.play:integrity dependencies.
• CHORE: Update tracelet_platform_interface dependency constraint to ^1.4.0.

• FIX: Fix ClassNotFoundException crash for BootReceiver, GeofenceBroadcastReceiver, PeriodicAlarmReceiver, and LocationService caused by package path mismatch in AndroidManifest.xml (fixes #31).
• FIX: Fix foreground notification not appearing due to LocationService not being resolved from the manifest.
• FIX: Fix ProGuard/R8 consumer rules referencing wrong package paths — prevents class stripping in release builds.
• FIX: Fix pre-existing test compilation errors caused by missing cross-package imports.
• CHORE: Update cross-package dependency constraints to ^1.3.7.

• FIX: getLocations() now honors SQLQuery.start and SQLQuery.end timestamp filtering.
• FIX: getCount() now accepts optional SQLQuery for time-bounded counting.
• CHORE: Update cross-package dependency constraints to ^1.3.6.

• CHORE: Update cross-package dependency constraints to ^1.3.5.

• CHORE: Update tracelet_platform_interface dependency constraint to ^1.3.3.

• FIX: Bundle native core Kotlin source files (com.tracelet.core.*) directly inside the plugin package so they are included when published to pub.dev. Previously, the build.gradle referenced sources via a relative monorepo path that was inaccessible to pub.dev consumers.

• PERF: Replace per-location JSONObject allocations with streaming android.util.JsonWriter in HttpSyncManager.buildJsonBody() (A-L5).

• FIX: getHttpExtras() and getPersistenceExtras() now read distinct config keys (httpExtras, persistenceExtras) with backward-compatible fallback.

• CHORE: Version bump for federation consistency with tracelet 1.3.0.

• CHORE: Version bump for federation consistency with tracelet_platform_interface 1.2.0 (new NotificationPriority and HashAlgorithm enums).

New Features #

• FEAT: Add native DeltaEncoder (Kotlin) for delta-compressed HTTP sync payloads — mirrors the Dart implementation exactly for platform consistency. Encodes only field deltas between consecutive locations using shortened keys (la, lo, t, s, h, a, al, b), achieving 60–80% bandwidth reduction. Uses java.time.Instant for ISO 8601 timestamp parsing with flexible numeric type coercion.
• FEAT: ConfigManager now reads and applies the following new configuration fields from Dart: batteryBudgetPerHour (adaptive battery budget target), enableSparseUpdates, sparseDistanceThreshold, sparseMaxIdleSeconds (app-level deduplication), enableDeadReckoning, deadReckoningActivationDelay, deadReckoningMaxDuration (inertial navigation when GPS lost), enableDeltaCompression, deltaCoordinatePrecision (HTTP delta encoding), and disableAutoSyncOnCellular (WiFi-only sync).
• FEAT: HttpSyncManager now supports disableAutoSyncOnCellular — skips auto-sync when device is on cellular network, syncing only on WiFi. Also conditionally applies DeltaEncoder.encode() to multi-location batches before HTTP upload when enableDeltaCompression is enabled, reducing upload size by 60–80%.

• FIX: destroyAll() unconditionally removed geofence registrations from Play Services even when stopOnTerminate: false was configured with trackingMode=1 (geofence mode). Geofences now survive app termination and are re-registered on boot/task-removal (#23).

• FIX: HTTP auto-sync never triggered from automatic location tracking — onLocationInserted() was only called from the manual insertLocation handler, not from LocationEngine.persistLocationIfAllowed() (#21).
• FIX: PeriodicLocationWorker now triggers HTTP auto-sync after each periodic location insert.

🎉 Stable Release #

• FEAT: First stable release of tracelet_android.
• DOCS: Add Play Store background location declaration guide.
• REFACTOR: Remove third-party company name references.
• All native Android APIs are finalized and production-ready.

Performance Audit — 29 Android issues resolved #

• PERF: Add 10-minute wakelock timeout to prevent indefinite CPU wake (A-C1).
• PERF: Cache battery info with 30s TTL — eliminates sticky broadcast IPC per location (A-C2).
• PERF: Replace N+1 audit trail verification with JOIN query (A-C3).
• PERF: Add in-memory privacy zone cache with CRUD invalidation (A-C4).
• PERF: Add in-memory geofence cache with CRUD invalidation (A-C5).
• PERF: Cache SimpleDateFormat as static isoFormatter (A-H1).
• PERF: Throttle DB pruning to every 100 inserts instead of every insert (A-H2, A-H3).
• PERF: Add @Volatile to isRunning in LocationService (A-H4).
• PERF: Add @Volatile to sync flags in HttpSyncManager (A-H5).
• PERF: Use ThreadLocal<MessageDigest> for thread-safe SHA-256 (A-H6).
• PERF: Use cached location for heartbeat events instead of activating GPS (A-H7).
• PERF: Remove duplicate flat keys from platform channel location maps (A-H8).
• PERF: Add LIMIT 5000 to getLog() query (A-H9).
• PERF: Singleton ConfigManager with double-checked locking (A-M1).
• PERF: Add Locale.US to all String.format() in buildCanonicalString() (A-M2).
• PERF: Pre-compiled hex lookup table for SHA-256 byte-to-hex conversion (A-M3).
• PERF: Smart config restart — only restart location engine when location-relevant keys change (A-M4).
• PERF: Rely on wakelock auto-release timeout in BootReceiver (A-M5).
• PERF: Use ConcurrentHashMap.newKeySet() for activeGeofenceIds (A-M6).
• PERF: Track insert count to avoid SELECT COUNT(*) for auto-sync threshold (A-M7).
• PERF: Add created_at index on locations table (DB v5) (A-M8).
• PERF: Apply deferTime to LocationRequest.setMaxUpdateDelayMillis() (A-M9).
• PERF: Add @Volatile to consecutiveStillSamples in MotionDetector (A-M10).
• PERF: Resolve cursor column indices once before loop in cursorToLocationList() (A-L1).
• PERF: Use equals(ignoreCase = true) instead of uppercase() allocation in logger (A-L2).
• PERF: Remove unnecessary toMutableMap() in watchPosition() (A-L3).
• PERF: Extract ParsedSchedule data class to deduplicate schedule parsing (A-L4).
• PERF: Use setOf() instead of listOf() for OEM manufacturer detection (A-L6).
• REFACTOR: Remove trivial isMoreRestrictive() wrapper, inline isActionMoreRestrictive() call.
• CHORE: Bump DB version from 4 to 5 (v4→v5 migration adds created_at index).

• FIX: Persist polygon geofence vertices to SQLite — add vertices TEXT column, DB migration v3→v4, and JSON serialization/deserialization in insertGeofence()/cursorToGeofence().
• FIX: Skip malformed vertex entries instead of coercing invalid coordinates to 0.0; require ≥ 3 valid vertices for polygon storage.
• TEST: Add Robolectric tests for geofence vertices CRUD (11 tests covering round-trip, validation, edge cases).
• TEST: Add DB migration integration tests — v3→v4 and v1→v4 upgrade paths, existing data preservation, fresh install.

• CHORE: Version bump for platform consistency.

• FIX: Add ACCESS_BACKGROUND_LOCATION permission checks to all killed-state restart paths — BootReceiver, LocationService.onTaskRemoved(), LocationService.startBootTracking(), PeriodicAlarmReceiver, and PeriodicLocationWorker. Prevents "While In Use" permission from triggering tracking in killed/boot state.
• FEAT: New hasBackgroundPermission() utility on LocationEngine for proactive background permission verification.

• CHORE: Tighten tracelet_platform_interface constraint to ^0.11.2.

• FIX: Auto-select exact alarms for periodic intervals < 15 min without foreground service.
• FIX: Re-scheduling chain in PeriodicLocationWorker.doWork() now uses interval < 900 auto-detect to match initial scheduling strategy.
• FIX: Doze-safe alarm fallback — changed set() to setAndAllowWhileIdle() in scheduleExactAlarm().
• FIX: Re-wire EventDispatcher in onAttachedToEngine() when periodic mode is already active (fixes null dispatcher after process restart).
• FIX: Preserve periodic alarms in destroyAll() when stopOnTerminate=false and periodic tracking is active.
• FEAT: Add canScheduleExactAlarms and openExactAlarmSettings method channel handlers.
• CHORE: Bump platform interface to 0.11.1.

• FEAT: AuditTrailManager — SHA-256 hash chain with SQLite persistence and SharedPreferences chain state.
• FEAT: PrivacyZoneManager — Haversine distance-based zone evaluation with exclude, degrade, and event-only actions.
• FEAT: Privacy zones database table with CRUD operations (v2→v3 migration).
• FEAT: Audit trail database table with hash chain linkage.
• FEAT: ConfigManager getters for audit and privacy zone configuration.
• CHORE: Bump tracelet_platform_interface to ^0.11.0.

• FEAT: Periodic mode — GPS-friendly interval tracking via startPeriodic(). Three scheduling strategies: WorkManager (default), foreground service, and exact alarms.
• FEAT: PeriodicLocationWorker — WorkManager CoroutineWorker for one-shot GPS fixes with automatic SQLite persistence and EventChannel/headless dispatch.
• FEAT: PeriodicAlarmReceiver — BroadcastReceiver for AlarmManager exact alarm chaining when periodicUseExactAlarms: true.
• FEAT: SCHEDULE_EXACT_ALARM permission with graceful fallback to inexact alarms on Android 13+.
• FIX: TraceletAndroidPluginTest — make mainHandler lazy to avoid RuntimeException in plain JUnit tests.
• CHORE: Bump tracelet_platform_interface to ^0.10.0.

• FIX: Fire heartbeat events in boot-mode headless tracking. LocationService.startBootTracking() now starts a self-rescheduling heartbeat timer so heartbeat events dispatch to HeadlessTaskService after device reboot.

• FEAT: HTTP sync retry engine — configurable retry with exponential backoff for transient 5xx, 429, and timeout failures. Respects Retry-After headers. Defers sync on connectivity loss.
• FEAT: Configurable motion sensitivity — MotionDetector reads shakeThreshold, stillThreshold, stillSampleCount from ConfigManager at runtime instead of hardcoded constants.
• FIX: HTTP 429 (Too Many Requests) now correctly treated as transient (was previously treated as permanent failure).
• FIX: Added REQUEST_IGNORE_BATTERY_OPTIMIZATIONS permission to AndroidManifest.xml for battery exemption settings.
• CHORE: Bump tracelet_platform_interface to ^0.9.0.

• FEAT: Proximity-based geofence auto-load/unload — only geofences within geofenceProximityRadius are registered with the OS, sorted by distance, capped at 100 (Android limit). Enables monitoring thousands of geofences.
• FEAT: GeofenceManager.updateProximity() — re-evaluates which geofences to monitor on every location update, dynamically swapping registrations as the device moves.
• FEAT: geofencesChange event fires with on/off arrays when geofences are activated/deactivated from proximity monitoring.
• FEAT: maxMonitoredGeofences config respected — caps simultaneously monitored geofences below the platform limit.
• CHORE: Bump tracelet_platform_interface to ^0.8.3.

• DOCS: Improve README visuals with combined Android & iOS demo image.

• DOCS: Document iOS background hardening changes (no Android code changes in this release).

• FEAT: OemCompat utility — comprehensive OEM compatibility layer with manufacturer detection (Huawei, Xiaomi, OnePlus, Samsung, Oppo, Vivo), aggression ratings (0–5), and OEM-specific settings deep-links.
• FEAT: Huawei PowerGenie wakelock hack — uses LocationManagerService wakelock tag to bypass PowerGenie background killing.
• FEAT: Xiaomi autostart detection — runtime check for MIUI autostart management activity availability.
• FEAT: OEM settings deep-links — 8 manufacturer-specific settings screens (autostart, battery saver, app launch, protected apps) validated via PackageManager.resolveActivity().
• FEAT: getSettingsHealth method channel handler — returns full device OEM health map.
• FEAT: openOemSettings method channel handler — launches OEM settings by label.
• PERF: OEM-safe wakelock lifecycle in LocationService — acquire on start, release on stop/destroy/taskRemoved.
• PERF: Boot receiver wakelock — temporary 60-second wakelock during BOOT_COMPLETED processing to survive aggressive OEM process killing.
• CHORE: ProGuard/R8 consumer rules (consumer-rules.pro) — prevents stripping of services, receivers, Room entities, and Kotlin metadata in release builds.
• DOCS: Update README with OEM compatibility feature and documentation link.
• CHORE: Bump tracelet_platform_interface to ^0.8.0.

• DOCS: Add mock location detection feature to README with platform-specific detection details.
• CHORE: Bump tracelet_platform_interface to ^0.7.1.

• FEAT: Mock location detection — isLocationMock() uses Location.isMock() (API 31+) and isFromMockProvider() (API 18+) to flag spoofed GPS.
• FEAT: Heuristic mock detection (level 2) — satellite count check (< 4 = suspicious) and SystemClock.elapsedRealtimeNanos drift detection (> 5s = suspicious).
• FEAT: enrichLocation() includes mock flag and mockHeuristics metadata map (satellites, elapsedRealtimeDriftMs, platformFlagMock).
• FEAT: Native-level mock rejection — when rejectMockLocations is enabled, drops mocked locations before sending to Dart and fires ProviderChangeEvent.mockLocationsDetected.
• FEAT: ConfigManager.getMockDetectionLevel() and getRejectMockLocations() getters.
• CHORE: Bump tracelet_platform_interface to ^0.7.0.

• REFACTOR: Remove 6 dead ConfigManager constants and methods for filtering migrated to Dart in 0.6.0 (getDisableElasticity, getElasticityMultiplier, getFilterPolicy, getMaxImpliedSpeed, getTrackingAccuracyThreshold, getUseKalmanFilter).
• REFACTOR: Remove dead EventDispatcher.sendTrip() and "trip" channel registration — trip events now from Dart TripManager.
• CHORE: Bump tracelet_platform_interface to ^0.6.1.

• REFACTOR: Remove duplicate location filtering from LocationEngine.onLocationReceived() — elasticity, distance filter, accuracy filter, and speed filter now handled by shared Dart LocationProcessor.
• REFACTOR: Replace GeofenceManager.evaluateHighAccuracyProximity() with no-op stub — proximity evaluation moved to shared Dart GeofenceEvaluator.
• CHORE: Bump tracelet_platform_interface to ^0.6.0.

• CHORE: Bump tracelet_platform_interface to ^0.5.5.

• FIX: Heartbeat event now wraps location data in {"location": ...} to match HeartbeatEvent.fromMap() — fixes heartbeat always returning zero coordinates.
• FIX: Heartbeat falls back to last known location (via enrichLocation()) when getCurrentPosition returns null.

• CHORE: Bump tracelet_platform_interface to ^0.5.3.

• FEAT: Accelerometer-only motion detection mode — when disableMotionActivityUpdates is true, uses hardware accelerometer + TYPE_SIGNIFICANT_MOTION sensor for permission-free stationary↔moving detection.
• PERF: Lazily initialize ActivityRecognitionClient — no longer created when unused in accelerometer-only mode.
• PERF: Cache SensorManager instance via obtainSensorManager() instead of re-fetching on each call.
• FIX: Graceful degradation — if ACTIVITY_RECOGNITION permission throws SecurityException, automatically falls back to accelerometer-only mode.
• REFACTOR: Extract activityTransition() helper to reduce boilerplate in transition registration.

• DOCS: Rewrite README with proper description, setup guide link, and related packages table.

• CHORE: Bump tracelet_platform_interface to ^0.5.0.
• CHORE: Bump version to 0.5.0.

• FEAT: getMotionPermissionStatus() / requestMotionPermission() — ACTIVITY_RECOGNITION permission handling.
• FIX: Auto-pace not triggering — start accelerometer monitoring in MotionDetector.start() when stationary.
• FIX: Speed always zero in motionchange events — track lastEffectiveSpeed in LocationEngine.
• FIX: Kotlin compilation error from literal \n in import line.
• CHORE: Bump tracelet_platform_interface to ^0.4.0.

• FEAT: One-shot location via getCurrentPosition() with persist, samples, maximumAge, and extras parameters.
• FEAT: getLastKnownLocation() with 3-tier fallback — in-memory cache → FusedLocationProviderClient → system LocationManager (GPS/Network).
• FEAT: ForegroundServiceConfig.enabled — conditionally start/stop foreground service based on config.
• FIX: Replace requestLocationUpdates with sequential getCurrentLocation() calls in collectSamples() to avoid silent throttling on budget devices without foreground service.
• BREAKING: Requires tracelet_platform_interface: ^0.3.0.

• Fix LICENSE file format for proper SPDX detection on pub.dev.

• Fix ConfigManager.setConfig() — flatten nested section sub-maps (geo, app, http, etc.) sent by Dart before processing. Fixes foreground service notification config (title, text, channel, priority) and all other sub-config values being silently ignored.

• Version bump for coordinated release.

• Add SPDX license: Apache-2.0 identifier for pub.dev scoring.

• Initial release.
• FusedLocationProvider-based location tracking.
• Foreground service with configurable notification.
• Activity recognition via Google Play Services.
• SQLite persistence with Room.
• HTTP auto-sync with OkHttp.
• Geofencing with platform GeofencingClient.
• Headless Dart isolate execution.
• Boot-completed receiver for start-on-boot.
• WorkManager-based scheduling.