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feat: add Preferences for settings persistence

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fiatcode 2026-04-30 11:12:30 +07:00
parent 724fbe1bdb
commit d1b7948723
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lib/preferences.dart Normal file
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import 'package:shared_preferences/shared_preferences.dart';
class Preferences {
static const String keyServerUrl = 'server_url';
static const String keyDeviceId = 'device_id';
static const String keyPassword = 'password';
static const String keyAccuracy = 'accuracy';
static const String keyDistanceFilter = 'distance_filter';
static const String keyInterval = 'interval';
static const String keyFastestInterval = 'fastest_interval';
static const String keyAngleFilter = 'angle_filter';
static const String keyHeartbeat = 'heartbeat';
static const String keyOfflineBuffer = 'offline_buffer';
static const String keyStopDetection = 'stop_detection';
static SharedPreferences? _instance;
static Future<void> init() async {
_instance = await SharedPreferences.getInstance();
}
static SharedPreferences get instance {
if (_instance == null) {
throw Exception('Preferences not initialized. Call Preferences.init() first.');
}
return _instance!;
}
static String get serverUrl =>
instance.getString(keyServerUrl) ?? 'https://demo.traccar.org';
static String get deviceId =>
instance.getString(keyDeviceId) ?? _generateDeviceId();
static String get password => instance.getString(keyPassword) ?? '';
static int get accuracy => instance.getInt(keyAccuracy) ?? 0;
static int get distanceFilter => instance.getInt(keyDistanceFilter) ?? 75;
static int get interval => instance.getInt(keyInterval) ?? 300;
static int get fastestInterval => instance.getInt(keyFastestInterval) ?? 30;
static int get angleFilter => instance.getInt(keyAngleFilter) ?? 0;
static int get heartbeat => instance.getInt(keyHeartbeat) ?? 60;
static bool get offlineBuffer => instance.getBool(keyOfflineBuffer) ?? true;
static bool get stopDetection => instance.getBool(keyStopDetection) ?? true;
static Future<void> setServerUrl(String value) async {
await instance.setString(keyServerUrl, value);
}
static Future<void> setDeviceId(String value) async {
await instance.setString(keyDeviceId, value);
}
static Future<void> setPassword(String value) async {
await instance.setString(keyPassword, value);
}
static Future<void> setAccuracy(int value) async {
await instance.setInt(keyAccuracy, value);
}
static Future<void> setDistanceFilter(int value) async {
await instance.setInt(keyDistanceFilter, value);
}
static Future<void> setInterval(int value) async {
await instance.setInt(keyInterval, value);
}
static Future<void> setFastestInterval(int value) async {
await instance.setInt(keyFastestInterval, value);
}
static Future<void> setAngleFilter(int value) async {
await instance.setInt(keyAngleFilter, value);
}
static Future<void> setHeartbeat(int value) async {
await instance.setInt(keyHeartbeat, value);
}
static Future<void> setOfflineBuffer(bool value) async {
await instance.setBool(keyOfflineBuffer, value);
}
static Future<void> setStopDetection(bool value) async {
await instance.setBool(keyStopDetection, value);
}
static String _generateDeviceId() {
final random = DateTime.now().millisecondsSinceEpoch % 100000000;
final deviceId = random.toString().padLeft(8, '0');
instance.setString(keyDeviceId, deviceId);
return deviceId;
}
}