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Per COMPONENT_DESIGN.md Section 4.6, the MOB navigation view must display
wind and current conditions at the time of the event.
- MobEvent: add nullable windSpeedKt, windDirectionDeg, currentSpeedKt,
currentDirectionDeg fields captured at the exact moment of activation
- MobAlarmManager.activate(): accept optional wind/current params and
forward them into MobEvent (defaults to null for backward compatibility)
- LocationService (new): aggregates live SensorData (resolves true wind via
TrueWindCalculator) and marine-forecast current conditions; snapshot()
provides a point-in-time EnvironmentalSnapshot for safety-critical logging
- MobAlarmManagerTest: add tests for wind/current storage and null defaults
- LocationServiceTest (new): covers snapshot, true-wind resolution,
current-condition updates, and the latestSensor flow
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- Add AnchorWatchState with calculateRecommendedWatchCircleRadius, which
uses ScopeCalculator.watchCircleRadius (Pythagorean scope formula) and
falls back to rode length when geometry is invalid
- Add AnchorWatchHandler Fragment with EditText inputs for Depth (m) and
Rode Out (m); updates suggested watch circle radius live via TextWatcher
- Add fragment_anchor_watch.xml layout
- Wire AnchorWatchHandler into bottom navigation (MainActivity + menu)
- Add AnchorWatchStateTest covering valid geometry, short-rode fallback
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Implements weather data download over Iridium satellite links:
- GribParameter enum with SATELLITE_MINIMAL set (wind + pressure only)
- SatelliteDownloadRequest data class (region, params, forecast hours, resolution)
- SatelliteGribDownloader: size/time estimation, abort-on-oversized, pluggable fetcher
- 8 unit tests covering estimation scaling, minimal param set, and download outcomes
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- Add GribRegion, GribFile data models and GribFileManager interface
- Add InMemoryGribFileManager for testing and default use
- Add GribStalenessChecker with FreshnessResult sealed class (Fresh/Stale/NoData)
- Integrate weatherStaleness StateFlow into MainViewModel (checked after loadWeather)
- Add yellow staleness banner TextView to fragment_map.xml
- Wire staleness banner in MapFragment (shown on Stale, hidden on Fresh/NoData)
- Add GribStalenessCheckerTest (4 TDD tests)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- LogbookEntry data class: timestampMs, lat/lon, SOG, COG, wind, baro, depth, event/notes
- LogbookFormatter: UTC time, position (deg/dec-min), 16-pt compass, row/page builders
- LogbookPdfExporter: landscape A4 PDF via android.graphics.pdf.PdfDocument with column headers,
alternating row shading, and table border
- 20 unit tests covering all formatting helpers and data model behaviour
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Implement offline harmonic tide prediction as specified in COMPONENT_DESIGN.md:
- TideConstituent: name, speedDegPerHour, amplitudeMeters, phaseDeg
- TidePrediction: timestampMs, heightMeters
- TideStation: id, name, lat, lon, datumOffsetMeters, constituents
- HarmonicTideCalculator: predictHeight(), predictRange(), findHighLow()
Formula: h(t) = Z0 + Σ [ Hi × cos( ωi × (t − t0) − φi ) ]
- 15 unit tests covering all calculation paths
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- GpsPosition: latitude, longitude, sog (knots), cog (degrees true), timestampMs
- NmeaParser.parseRmc: handles GP/GN talker IDs, void status, malformed input
- SOG/COG default to 0.0 when fields absent; S/W coords are negative
- 13 unit tests: GpsPositionTest (2), NmeaParserTest (11) — all GREEN
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Package declarations were already org.terst.nav.* but files lived under
com/example/androidapp/. Kotlin 2.0 (K2) compiler on CI fails when
package declarations don't match directory structure during kapt stub
generation. Moved all 20 files to their correct locations and renamed
MainActivity (weather) -> WeatherActivity to avoid confusion with the
nav app's MainActivity.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Merges wind/current overlay and weather forecast implementation:
- Weather feature: WeatherRepository, MainViewModel, MapFragment, ForecastFragment, ForecastAdapter
- Data models: WindArrow, ForecastItem, WeatherResponse, MarineResponse
- API services: WeatherApiService, MarineApiService (Open-Meteo, no key required)
- Layouts: activity_weather.xml, fragment_map.xml, fragment_forecast.xml, item_forecast.xml
- Resources: merged colors (wind_slow/medium/strong), strings, themes (Theme.NavApp added)
- Manifest: added ACCESS_COARSE_LOCATION
- build.gradle: merged deps — kept Firebase+MapLibre 11.5.1, added kotlin-kapt, retrofit, moshi, turbine
- Fix: re-packaged com.example.androidapp → org.terst.nav; weather MainActivity uses ActivityWeatherBinding
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Extract location permission decision logic from MainActivity into a
testable LocationPermissionHandler class. Covers: permission already
granted, needs request, fine-only granted, coarse-only granted, both
granted, both denied, and never-ask-again (empty grants) scenarios.
All permissions (INTERNET, ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION)
were already declared in AndroidManifest.xml; no manifest changes needed.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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App Distribution
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This commit introduces the core functionality for the Man Overboard (MOB) alarm.
Key changes include:
- Added a persistent, high-contrast red MOB Floating Action Button to the UI.
- Implemented dynamic location permission requests and initialization of LocationService.
- Created a MobWaypoint data class to store MOB location and timestamp.
- Developed the activateMob() function to:
- Capture current GPS coordinates.
- Set the active MOB waypoint and mark MOB as activated.
- Switch to a dedicated MOB navigation view, hiding other UI elements.
- Start a continuous, looping audible alarm (assumes R.raw.mob_alarm exists).
- Log the MOB event to the console (placeholder for future logbook integration).
- Implemented a MOB navigation view (ConstraintLayout) with real-time distance to MOB and elapsed time display.
- Added a recoverMob() function, triggered by a 'Recovered' button, to:
- Deactivate MOB mode.
- Stop and release the audible alarm.
- Restore the main UI visibility.
- Location updates are observed to continuously update the MOB navigation display.
- Ensured MediaPlayer resources are properly released on activity destruction.
Future enhancements (not part of this commit) include:
- Implementing a bearing arrow in the MOB navigation view.
- Integrating with a persistent logbook system.
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Implements the wind/current map overlay and 7-day weather forecast
display that loads on application launch:
Data layer:
- Open-Meteo API (free, no key): WeatherApiService + MarineApiService
- Moshi-annotated response models (WeatherResponse, MarineResponse)
- WeatherRepository: parallel async fetch, Result<T> error propagation
- Domain models: WindArrow (with beaufortScale/isCalm) + ForecastItem
(with weatherDescription/isRainy via WMO weather codes)
Presentation layer:
- MainViewModel: StateFlow<UiState> (Loading/Success/Error),
windArrow and forecast streams
- MainActivity: runtime location permission, FusedLocationProvider
GPS fetch on startup, falls back to SF Bay default
- MapFragment: MapLibre GL map with wind-arrow SymbolLayer;
icon rotated by wind direction, size scaled by speed in knots
- ForecastFragment + ForecastAdapter: RecyclerView ListAdapter
showing 7-day hourly forecast (time, description, wind, temp, precip)
Resources:
- ic_wind_arrow.xml vector drawable (north-pointing, rotated by MapLibre)
- BottomNavigationView: Map / Forecast tabs
- ViewBinding enabled throughout
Tests (TDD — written before implementation):
- WindArrowTest: calm detection, direction normalisation, Beaufort scale
- ForecastItemTest: weatherDescription, isRainy for WMO codes
- WeatherApiServiceTest: MockWebServer request params + response parsing
- WeatherRepositoryTest: MockK service mocks, data mapping, error paths
- MainViewModelTest: Turbine StateFlow assertions for all state transitions
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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