irene
44480eb969
- Move constants from lib/config/ to lib/core/constants/ - Move color themes to lib/core/theme/ - Create LocationData domain model in data/models/ - Create lightweight GpsService in data/services/ - Create LocationRepository in data/repositories/ consolidating GpsDataManager business logic (GPS stream, staleness, precision) - Create shared SpeedDisplay widget in ui/shared/ - Defer overlay feature — stubs reserved in ui/features/overlay/
32 lines
1.3 KiB
Dart
32 lines
1.3 KiB
Dart
// GPS behavioral constants — SCREAMING_SNAKE per project convention
|
|
|
|
/// GPS configuration constants for data validation and timeouts
|
|
abstract class GpsConfig {
|
|
/// Time threshold after which GPS data is considered stale
|
|
static const Duration STALE_DATA_THRESHOLD = Duration(seconds: 4);
|
|
|
|
/// Timeout for initial GPS fix acquisition (outdoor/cold start)
|
|
static const Duration INITIAL_FIX_TIMEOUT = Duration(seconds: 20);
|
|
|
|
/// Timeout for ongoing GPS updates (indoor/signal loss detection)
|
|
static const Duration UPDATE_TIMEOUT = Duration(seconds: 2);
|
|
|
|
/// Minimum valid heading value in degrees
|
|
static const double VALID_HEADING_MIN = 0.0;
|
|
|
|
/// Maximum valid heading value in degrees
|
|
static const double VALID_HEADING_MAX = 360.0;
|
|
|
|
/// Speed threshold below which heading is considered unreliable (m/s)
|
|
static const double LOW_SPEED_THRESHOLD = 1.0;
|
|
|
|
/// Speed threshold for switching to HIGH precision (m/s) - 12 km/h
|
|
static const double PRECISION_UP_THRESHOLD_MPS = 3.33;
|
|
|
|
/// Speed threshold for switching to BALANCED precision (m/s) - 8 km/h
|
|
static const double PRECISION_DOWN_THRESHOLD_MPS = 2.22;
|
|
|
|
/// Minimum time after first fix before precision switching starts
|
|
static const Duration PRECISION_SWITCH_FIRST_FIX_DELAY = Duration(seconds: 5);
|
|
}
|