Complete v2.0 ultra-lightweight rebuild with premium color themes

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Mikkeli Matlock
2025-08-24 22:35:20 +09:00
parent 23b232f8f0
commit bab90a9830
37 changed files with 550 additions and 315 deletions
+51
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import 'package:flutter/material.dart';
class ColorTheme {
final Color background;
final Color speedText;
final Color headingText;
final Color unitText;
final String name;
const ColorTheme({
required this.background,
required this.speedText,
required this.headingText,
required this.unitText,
required this.name,
});
}
class ColorThemes {
static const List<ColorTheme> themes = [
ColorTheme(
name: 'Classic Dark',
background: Color(0xFF121212),
speedText: Color(0xFF4CAF50),
headingText: Color(0xFFFF9800),
unitText: Color(0xFF9E9E9E),
),
ColorTheme(
name: 'Electric Blue',
background: Color(0xFF0D1421),
speedText: Color(0xFF00E5FF),
headingText: Color(0xFFFFEB3B),
unitText: Color(0xFF78909C),
),
ColorTheme(
name: 'Racing Red',
background: Color(0xFF1A0A0A),
speedText: Color(0xFFFF1744),
headingText: Color(0xFFFFFFFF),
unitText: Color(0xFFB0BEC5),
),
];
static ColorTheme getTheme(int index) {
return themes[index % themes.length];
}
static int getNextThemeIndex(int currentIndex) {
return (currentIndex + 1) % themes.length;
}
}
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import 'dart:async';
import 'package:geolocator/geolocator.dart';
import 'package:permission_handler/permission_handler.dart';
class GpsService {
static Stream<Position> get positionStream {
return Geolocator.getPositionStream(
locationSettings: const LocationSettings(
accuracy: LocationAccuracy.bestForNavigation,
distanceFilter: 1,
),
);
}
static Future<bool> requestPermissions() async {
final permission = await Permission.locationWhenInUse.request();
return permission.isGranted;
}
static Future<bool> isLocationServiceEnabled() async {
return await Geolocator.isLocationServiceEnabled();
}
static String getCompassDirection(double heading) {
if (heading < 0) return 'N/A';
const directions = ['N', 'NE', 'E', 'SE', 'S', 'SW', 'W', 'NW'];
final index = ((heading + 22.5) / 45).floor() % 8;
return directions[index];
}
static String formatHeading(double heading) {
if (heading < 0) return 'N/A';
return '${getCompassDirection(heading)} ${heading.round()}°';
}
}
+190 -40
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@@ -1,52 +1,202 @@
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:provider/provider.dart';
import 'providers/location_provider.dart';
import 'providers/settings_provider.dart';
import 'screens/speedometer_screen.dart';
import 'dart:async';
import 'package:geolocator/geolocator.dart';
import 'speed_units.dart';
import 'gps_service.dart';
import 'color_themes.dart';
void main() {
runApp(const SpeedometerApp());
runApp(const GpsSpeedoApp());
}
class SpeedometerApp extends StatelessWidget {
const SpeedometerApp({super.key});
// Entry point for future overlay mode
void mainOverlay() {
// TODO: Initialize overlay-specific setup
runApp(const GpsSpeedoApp(isOverlayMode: true));
}
class GpsSpeedoApp extends StatelessWidget {
final bool isOverlayMode;
const GpsSpeedoApp({super.key, this.isOverlayMode = false});
@override
Widget build(BuildContext context) {
SystemChrome.setPreferredOrientations([
DeviceOrientation.portraitUp,
DeviceOrientation.portraitDown,
DeviceOrientation.landscapeLeft,
DeviceOrientation.landscapeRight,
]);
return MultiProvider(
providers: [
ChangeNotifierProvider(create: (_) => SettingsProvider()),
ChangeNotifierProvider(create: (_) => LocationProvider()),
],
child: Consumer<SettingsProvider>(
builder: (context, settings, child) {
return MaterialApp(
title: 'GPS Speedometer',
debugShowCheckedModeBanner: false,
theme: _buildTheme(settings.isDarkMode),
home: const SpeedometerScreen(),
);
},
),
);
}
ThemeData _buildTheme(bool isDarkMode) {
return ThemeData(
useMaterial3: true,
brightness: isDarkMode ? Brightness.dark : Brightness.light,
colorScheme: ColorScheme.fromSeed(
seedColor: Colors.blue,
brightness: isDarkMode ? Brightness.dark : Brightness.light,
return MaterialApp(
title: 'GPS Speedo',
debugShowCheckedModeBanner: false,
theme: ThemeData(
useMaterial3: true,
brightness: Brightness.dark,
colorSchemeSeed: Colors.green,
),
home: SpeedometerScreen(isOverlayMode: isOverlayMode),
);
}
}
class SpeedometerScreen extends StatefulWidget {
final bool isOverlayMode;
const SpeedometerScreen({super.key, this.isOverlayMode = false});
@override
State<SpeedometerScreen> createState() => _SpeedometerScreenState();
}
class _SpeedometerScreenState extends State<SpeedometerScreen> {
double _speed = 0.0;
double _heading = -1.0;
SpeedUnit _currentUnit = SpeedUnit.kmh;
int _currentThemeIndex = 0;
StreamSubscription<Position>? _positionSubscription;
String _errorMessage = '';
@override
void initState() {
super.initState();
_initializeGps();
}
@override
void dispose() {
_positionSubscription?.cancel();
super.dispose();
}
Future<void> _initializeGps() async {
try {
final serviceEnabled = await GpsService.isLocationServiceEnabled();
if (!serviceEnabled) {
setState(() => _errorMessage = 'Location services disabled');
return;
}
final permissionGranted = await GpsService.requestPermissions();
if (!permissionGranted) {
setState(() => _errorMessage = 'Location permission denied');
return;
}
_positionSubscription = GpsService.positionStream.listen(
_onPositionUpdate,
onError: (error) => setState(() => _errorMessage = 'GPS error: $error'),
);
} catch (e) {
setState(() => _errorMessage = 'Failed to initialize GPS');
}
}
void _onPositionUpdate(Position position) {
setState(() {
_speed = position.speed;
_heading = position.heading;
_errorMessage = '';
});
}
void _cycleUnit() {
setState(() {
_currentUnit = _currentUnit.next;
});
}
void _cycleTheme() {
setState(() {
_currentThemeIndex = ColorThemes.getNextThemeIndex(_currentThemeIndex);
});
}
@override
Widget build(BuildContext context) {
final displaySpeed = _currentUnit.convert(_speed);
final speedText = displaySpeed.toStringAsFixed(0);
final currentTheme = ColorThemes.getTheme(_currentThemeIndex);
return Scaffold(
backgroundColor: currentTheme.background,
body: SafeArea(
child: GestureDetector(
onTap: _cycleTheme,
child: Container(
width: double.infinity,
height: double.infinity,
color: Colors.transparent,
child: Column(
children: [
// Speed display - takes most space, tappable
Expanded(
flex: 3,
child: GestureDetector(
onTap: _cycleUnit,
child: Container(
width: double.infinity,
color: Colors.transparent,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
if (_errorMessage.isNotEmpty)
Text(
_errorMessage,
style: TextStyle(
color: currentTheme.speedText,
fontSize: 16,
),
textAlign: TextAlign.center,
)
else ...[
Text(
speedText,
style: TextStyle(
fontSize: 120,
fontWeight: FontWeight.w300,
color: currentTheme.speedText,
),
),
Text(
_currentUnit.label,
style: TextStyle(
fontSize: 24,
color: currentTheme.unitText,
),
),
],
],
),
),
),
),
// Compass display - compact
Expanded(
flex: 1,
child: Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(vertical: 16),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.navigation,
size: 32,
color: currentTheme.headingText,
),
const SizedBox(height: 8),
Text(
GpsService.formatHeading(_heading),
style: TextStyle(
fontSize: 18,
color: currentTheme.headingText,
),
),
],
),
),
),
],
),
),
),
),
);
}
}
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import 'dart:async';
import 'package:flutter/material.dart';
import 'package:geolocator/geolocator.dart';
import 'package:permission_handler/permission_handler.dart';
class LocationProvider extends ChangeNotifier {
Position? _currentPosition;
double _currentSpeed = 0.0;
double _totalDistance = 0.0;
DateTime? _tripStartTime;
bool _isTracking = false;
bool _hasLocationPermission = false;
String _errorMessage = '';
StreamSubscription<Position>? _positionStreamSubscription;
Position? _previousPosition;
Position? get currentPosition => _currentPosition;
double get currentSpeed => _currentSpeed;
double get totalDistance => _totalDistance;
DateTime? get tripStartTime => _tripStartTime;
bool get isTracking => _isTracking;
bool get hasLocationPermission => _hasLocationPermission;
String get errorMessage => _errorMessage;
double? get latitude => _currentPosition?.latitude;
double? get longitude => _currentPosition?.longitude;
double? get accuracy => _currentPosition?.accuracy;
Duration get tripDuration {
if (_tripStartTime == null) return Duration.zero;
return DateTime.now().difference(_tripStartTime!);
}
Future<void> initializeLocation() async {
await _checkLocationPermission();
if (_hasLocationPermission) {
await _startLocationTracking();
}
}
Future<void> _checkLocationPermission() async {
final permission = await Permission.locationWhenInUse.status;
if (permission.isDenied) {
final result = await Permission.locationWhenInUse.request();
_hasLocationPermission = result.isGranted;
} else if (permission.isPermanentlyDenied) {
_hasLocationPermission = false;
_errorMessage = 'Location permission is permanently denied. Please enable it in settings.';
} else {
_hasLocationPermission = permission.isGranted;
}
if (!_hasLocationPermission) {
_errorMessage = 'Location permission is required for the speedometer to work.';
} else {
_errorMessage = '';
}
notifyListeners();
}
Future<void> _startLocationTracking() async {
if (!_hasLocationPermission) return;
try {
final isLocationServiceEnabled = await Geolocator.isLocationServiceEnabled();
if (!isLocationServiceEnabled) {
_errorMessage = 'Location services are disabled. Please enable them.';
notifyListeners();
return;
}
const locationSettings = LocationSettings(
accuracy: LocationAccuracy.bestForNavigation,
distanceFilter: 0,
);
_positionStreamSubscription = Geolocator.getPositionStream(
locationSettings: locationSettings,
).listen(
_onLocationUpdate,
onError: (error) {
_errorMessage = 'Location error: $error';
notifyListeners();
},
);
_isTracking = true;
_tripStartTime = DateTime.now();
notifyListeners();
} catch (e) {
_errorMessage = 'Failed to start location tracking: $e';
notifyListeners();
}
}
void _onLocationUpdate(Position position) {
_currentPosition = position;
_currentSpeed = position.speed;
if (_previousPosition != null) {
final distance = Geolocator.distanceBetween(
_previousPosition!.latitude,
_previousPosition!.longitude,
position.latitude,
position.longitude,
);
_totalDistance += distance;
}
_previousPosition = position;
_errorMessage = '';
notifyListeners();
}
void resetTrip() {
_totalDistance = 0.0;
_tripStartTime = DateTime.now();
_previousPosition = _currentPosition;
notifyListeners();
}
Future<void> stopTracking() async {
await _positionStreamSubscription?.cancel();
_positionStreamSubscription = null;
_isTracking = false;
notifyListeners();
}
@override
void dispose() {
stopTracking();
super.dispose();
}
}
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import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
enum SpeedUnit { kmh, mph, knots }
enum SpeedometerStyle { digital, analog }
class SettingsProvider extends ChangeNotifier {
bool _isDarkMode = false;
SpeedUnit _speedUnit = SpeedUnit.kmh;
SpeedometerStyle _speedometerStyle = SpeedometerStyle.digital;
bool _showCoordinates = false;
bool _showDistance = false;
bool _showTripTime = false;
bool _showAccuracy = false;
bool get isDarkMode => _isDarkMode;
SpeedUnit get speedUnit => _speedUnit;
SpeedometerStyle get speedometerStyle => _speedometerStyle;
bool get showCoordinates => _showCoordinates;
bool get showDistance => _showDistance;
bool get showTripTime => _showTripTime;
bool get showAccuracy => _showAccuracy;
String get speedUnitString {
switch (_speedUnit) {
case SpeedUnit.kmh:
return 'km/h';
case SpeedUnit.mph:
return 'mph';
case SpeedUnit.knots:
return 'knots';
}
}
SettingsProvider() {
_loadSettings();
}
Future<void> _loadSettings() async {
final prefs = await SharedPreferences.getInstance();
_isDarkMode = prefs.getBool('isDarkMode') ?? false;
_speedUnit = SpeedUnit.values[prefs.getInt('speedUnit') ?? 0];
_speedometerStyle = SpeedometerStyle.values[prefs.getInt('speedometerStyle') ?? 0];
_showCoordinates = prefs.getBool('showCoordinates') ?? false;
_showDistance = prefs.getBool('showDistance') ?? false;
_showTripTime = prefs.getBool('showTripTime') ?? false;
_showAccuracy = prefs.getBool('showAccuracy') ?? false;
notifyListeners();
}
Future<void> setDarkMode(bool value) async {
_isDarkMode = value;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('isDarkMode', value);
notifyListeners();
}
Future<void> setSpeedUnit(SpeedUnit unit) async {
_speedUnit = unit;
final prefs = await SharedPreferences.getInstance();
await prefs.setInt('speedUnit', unit.index);
notifyListeners();
}
Future<void> setSpeedometerStyle(SpeedometerStyle style) async {
_speedometerStyle = style;
final prefs = await SharedPreferences.getInstance();
await prefs.setInt('speedometerStyle', style.index);
notifyListeners();
}
Future<void> setShowCoordinates(bool value) async {
_showCoordinates = value;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('showCoordinates', value);
notifyListeners();
}
Future<void> setShowDistance(bool value) async {
_showDistance = value;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('showDistance', value);
notifyListeners();
}
Future<void> setShowTripTime(bool value) async {
_showTripTime = value;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('showTripTime', value);
notifyListeners();
}
Future<void> setShowAccuracy(bool value) async {
_showAccuracy = value;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool('showAccuracy', value);
notifyListeners();
}
double convertSpeed(double speedMps) {
switch (_speedUnit) {
case SpeedUnit.kmh:
return speedMps * 3.6;
case SpeedUnit.mph:
return speedMps * 2.237;
case SpeedUnit.knots:
return speedMps * 1.944;
}
}
}
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import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../providers/settings_provider.dart';
class SettingsScreen extends StatelessWidget {
const SettingsScreen({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Settings'),
),
body: Consumer<SettingsProvider>(
builder: (context, settings, child) {
return ListView(
children: [
_buildSectionHeader(context, 'Display'),
SwitchListTile(
title: const Text('Dark Mode'),
subtitle: const Text('Switch between light and dark themes'),
value: settings.isDarkMode,
onChanged: settings.setDarkMode,
),
ListTile(
title: const Text('Speed Unit'),
subtitle: Text('Current: ${settings.speedUnitString}'),
trailing: const Icon(Icons.chevron_right),
onTap: () => _showSpeedUnitDialog(context, settings),
),
ListTile(
title: const Text('Speedometer Style'),
subtitle: Text(settings.speedometerStyle == SpeedometerStyle.digital
? 'Digital Display'
: 'Analog Gauge'),
trailing: const Icon(Icons.chevron_right),
onTap: () => _showSpeedometerStyleDialog(context, settings),
),
const Divider(),
_buildSectionHeader(context, 'Information Display'),
SwitchListTile(
title: const Text('Show Coordinates'),
subtitle: const Text('Display current latitude and longitude'),
value: settings.showCoordinates,
onChanged: settings.setShowCoordinates,
),
SwitchListTile(
title: const Text('Show Distance'),
subtitle: const Text('Display total trip distance'),
value: settings.showDistance,
onChanged: settings.setShowDistance,
),
SwitchListTile(
title: const Text('Show Trip Time'),
subtitle: const Text('Display elapsed trip time'),
value: settings.showTripTime,
onChanged: settings.setShowTripTime,
),
SwitchListTile(
title: const Text('Show GPS Accuracy'),
subtitle: const Text('Display current GPS accuracy'),
value: settings.showAccuracy,
onChanged: settings.setShowAccuracy,
),
const Divider(),
_buildSectionHeader(context, 'About'),
ListTile(
title: const Text('GPS Speedometer'),
subtitle: const Text('Version 1.0.0\nCreated with Claude Code'),
leading: const Icon(Icons.info_outline),
),
],
);
},
),
);
}
Widget _buildSectionHeader(BuildContext context, String title) {
return Padding(
padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
child: Text(
title,
style: Theme.of(context).textTheme.titleMedium?.copyWith(
color: Theme.of(context).colorScheme.primary,
fontWeight: FontWeight.w600,
),
),
);
}
void _showSpeedUnitDialog(BuildContext context, SettingsProvider settings) {
showDialog(
context: context,
builder: (context) => AlertDialog(
title: const Text('Speed Unit'),
content: Column(
mainAxisSize: MainAxisSize.min,
children: [
RadioListTile<SpeedUnit>(
title: const Text('Kilometers per hour (km/h)'),
value: SpeedUnit.kmh,
groupValue: settings.speedUnit,
onChanged: (value) {
if (value != null) {
settings.setSpeedUnit(value);
Navigator.pop(context);
}
},
),
RadioListTile<SpeedUnit>(
title: const Text('Miles per hour (mph)'),
value: SpeedUnit.mph,
groupValue: settings.speedUnit,
onChanged: (value) {
if (value != null) {
settings.setSpeedUnit(value);
Navigator.pop(context);
}
},
),
RadioListTile<SpeedUnit>(
title: const Text('Knots'),
value: SpeedUnit.knots,
groupValue: settings.speedUnit,
onChanged: (value) {
if (value != null) {
settings.setSpeedUnit(value);
Navigator.pop(context);
}
},
),
],
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('Cancel'),
),
],
),
);
}
void _showSpeedometerStyleDialog(BuildContext context, SettingsProvider settings) {
showDialog(
context: context,
builder: (context) => AlertDialog(
title: const Text('Speedometer Style'),
content: Column(
mainAxisSize: MainAxisSize.min,
children: [
RadioListTile<SpeedometerStyle>(
title: const Text('Digital Display'),
subtitle: const Text('Clean numeric display'),
value: SpeedometerStyle.digital,
groupValue: settings.speedometerStyle,
onChanged: (value) {
if (value != null) {
settings.setSpeedometerStyle(value);
Navigator.pop(context);
}
},
),
RadioListTile<SpeedometerStyle>(
title: const Text('Analog Gauge'),
subtitle: const Text('Classic circular speedometer'),
value: SpeedometerStyle.analog,
groupValue: settings.speedometerStyle,
onChanged: (value) {
if (value != null) {
settings.setSpeedometerStyle(value);
Navigator.pop(context);
}
},
),
],
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('Cancel'),
),
],
),
);
}
}
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import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../providers/location_provider.dart';
import '../providers/settings_provider.dart';
import '../widgets/digital_speedometer.dart';
import '../widgets/analog_speedometer.dart';
import '../widgets/info_panel.dart';
import '../widgets/speed_unit_selector.dart';
import 'settings_screen.dart';
class SpeedometerScreen extends StatefulWidget {
const SpeedometerScreen({super.key});
@override
State<SpeedometerScreen> createState() => _SpeedometerScreenState();
}
class _SpeedometerScreenState extends State<SpeedometerScreen> {
@override
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback((_) {
context.read<LocationProvider>().initializeLocation();
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('GPS Speedometer'),
actions: [
IconButton(
icon: const Icon(Icons.refresh),
onPressed: () {
context.read<LocationProvider>().resetTrip();
},
tooltip: 'Reset Trip',
),
IconButton(
icon: const Icon(Icons.settings),
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(builder: (context) => const SettingsScreen()),
);
},
tooltip: 'Settings',
),
],
),
body: Consumer2<LocationProvider, SettingsProvider>(
builder: (context, locationProvider, settingsProvider, child) {
if (!locationProvider.hasLocationPermission) {
return _buildPermissionError(locationProvider.errorMessage);
}
if (locationProvider.errorMessage.isNotEmpty) {
return _buildError(locationProvider.errorMessage);
}
return Column(
children: [
Expanded(
flex: 3,
child: Column(
children: [
Expanded(
child: _buildSpeedometer(locationProvider, settingsProvider),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 24.0, vertical: 8.0),
child: const SpeedUnitSelector(),
),
],
),
),
Expanded(
flex: 1,
child: InfoPanel(
locationProvider: locationProvider,
settingsProvider: settingsProvider,
),
),
],
);
},
),
);
}
Widget _buildSpeedometer(LocationProvider locationProvider, SettingsProvider settingsProvider) {
final speed = settingsProvider.convertSpeed(locationProvider.currentSpeed);
return GestureDetector(
onTap: () {
final newStyle = settingsProvider.speedometerStyle == SpeedometerStyle.digital
? SpeedometerStyle.analog
: SpeedometerStyle.digital;
settingsProvider.setSpeedometerStyle(newStyle);
},
child: settingsProvider.speedometerStyle == SpeedometerStyle.digital
? DigitalSpeedometer(
speed: speed,
unit: settingsProvider.speedUnitString,
)
: AnalogSpeedometer(
speed: speed,
unit: settingsProvider.speedUnitString,
),
);
}
Widget _buildPermissionError(String message) {
return Center(
child: Padding(
padding: const EdgeInsets.all(24.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(
Icons.location_off,
size: 64,
color: Colors.red,
),
const SizedBox(height: 16),
Text(
'Location Permission Required',
style: Theme.of(context).textTheme.headlineSmall,
textAlign: TextAlign.center,
),
const SizedBox(height: 8),
Text(
message,
style: Theme.of(context).textTheme.bodyMedium,
textAlign: TextAlign.center,
),
const SizedBox(height: 16),
ElevatedButton(
onPressed: () {
context.read<LocationProvider>().initializeLocation();
},
child: const Text('Retry'),
),
],
),
),
);
}
Widget _buildError(String message) {
return Center(
child: Padding(
padding: const EdgeInsets.all(24.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(
Icons.error_outline,
size: 64,
color: Colors.orange,
),
const SizedBox(height: 16),
Text(
'GPS Error',
style: Theme.of(context).textTheme.headlineSmall,
textAlign: TextAlign.center,
),
const SizedBox(height: 8),
Text(
message,
style: Theme.of(context).textTheme.bodyMedium,
textAlign: TextAlign.center,
),
const SizedBox(height: 16),
ElevatedButton(
onPressed: () {
context.read<LocationProvider>().initializeLocation();
},
child: const Text('Retry'),
),
],
),
),
);
}
}
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enum SpeedUnit {
kmh('km/h', 1.0),
mph('mph', 0.621371),
knots('kts', 0.539957);
const SpeedUnit(this.label, this.multiplier);
final String label;
final double multiplier;
double convert(double speedMps) {
return speedMps * 3.6 * multiplier;
}
SpeedUnit get next {
final values = SpeedUnit.values;
final currentIndex = values.indexOf(this);
return values[(currentIndex + 1) % values.length];
}
}
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import 'dart:math';
import 'package:flutter/material.dart';
class AnalogSpeedometer extends StatelessWidget {
final double speed;
final String unit;
const AnalogSpeedometer({
super.key,
required this.speed,
required this.unit,
});
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.all(24.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
SizedBox(
width: 250,
height: 250,
child: CustomPaint(
painter: SpeedometerPainter(
speed: speed,
theme: Theme.of(context),
),
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const SizedBox(height: 40),
Text(
speed.toStringAsFixed(0),
style: const TextStyle(
fontSize: 36,
fontWeight: FontWeight.bold,
fontFeatures: [FontFeature.tabularFigures()],
),
),
Text(
unit,
style: Theme.of(context).textTheme.bodyLarge?.copyWith(
fontWeight: FontWeight.w500,
),
),
],
),
),
),
),
],
),
);
}
}
class SpeedometerPainter extends CustomPainter {
final double speed;
final ThemeData theme;
static const double maxSpeed = 120.0;
const SpeedometerPainter({
required this.speed,
required this.theme,
});
@override
void paint(Canvas canvas, Size size) {
final center = Offset(size.width / 2, size.height / 2);
final radius = size.width / 2 - 20;
_drawSpeedometerArc(canvas, center, radius);
_drawTicks(canvas, center, radius);
_drawNeedle(canvas, center, radius);
_drawCenterCircle(canvas, center);
}
void _drawSpeedometerArc(Canvas canvas, Offset center, double radius) {
final paint = Paint()
..color = theme.colorScheme.outline.withOpacity(0.3)
..style = PaintingStyle.stroke
..strokeWidth = 8
..strokeCap = StrokeCap.round;
const startAngle = pi * 0.75;
const sweepAngle = pi * 1.5;
canvas.drawArc(
Rect.fromCircle(center: center, radius: radius),
startAngle,
sweepAngle,
false,
paint,
);
final progressPaint = Paint()
..style = PaintingStyle.stroke
..strokeWidth = 8
..strokeCap = StrokeCap.round;
final progress = (speed / maxSpeed).clamp(0.0, 1.0);
final progressSweep = sweepAngle * progress;
if (progress > 0) {
progressPaint.color = _getSpeedColor(speed);
canvas.drawArc(
Rect.fromCircle(center: center, radius: radius),
startAngle,
progressSweep,
false,
progressPaint,
);
}
}
void _drawTicks(Canvas canvas, Offset center, double radius) {
final paint = Paint()
..color = theme.colorScheme.onSurface
..strokeWidth = 2;
const tickCount = 13;
const startAngle = pi * 0.75;
const sweepAngle = pi * 1.5;
for (int i = 0; i < tickCount; i++) {
final angle = startAngle + (sweepAngle * i / (tickCount - 1));
final isMainTick = i % 3 == 0;
final outerRadius = radius - 5;
final innerRadius = outerRadius - (isMainTick ? 15 : 8);
final outerPoint = Offset(
center.dx + cos(angle) * outerRadius,
center.dy + sin(angle) * outerRadius,
);
final innerPoint = Offset(
center.dx + cos(angle) * innerRadius,
center.dy + sin(angle) * innerRadius,
);
paint.strokeWidth = isMainTick ? 3 : 2;
canvas.drawLine(outerPoint, innerPoint, paint);
if (isMainTick) {
final speed = (maxSpeed * i / (tickCount - 1)).round();
final textPainter = TextPainter(
text: TextSpan(
text: speed.toString(),
style: TextStyle(
color: theme.colorScheme.onSurface,
fontSize: 12,
fontWeight: FontWeight.w500,
),
),
textDirection: TextDirection.ltr,
);
textPainter.layout();
final textRadius = innerRadius - 15;
final textOffset = Offset(
center.dx + cos(angle) * textRadius - textPainter.width / 2,
center.dy + sin(angle) * textRadius - textPainter.height / 2,
);
textPainter.paint(canvas, textOffset);
}
}
}
void _drawNeedle(Canvas canvas, Offset center, double radius) {
final progress = (speed / maxSpeed).clamp(0.0, 1.0);
const startAngle = pi * 0.75;
const sweepAngle = pi * 1.5;
final needleAngle = startAngle + (sweepAngle * progress);
final needlePaint = Paint()
..color = _getSpeedColor(speed)
..strokeWidth = 4
..strokeCap = StrokeCap.round;
final needleLength = radius * 0.7;
final needleEnd = Offset(
center.dx + cos(needleAngle) * needleLength,
center.dy + sin(needleAngle) * needleLength,
);
canvas.drawLine(center, needleEnd, needlePaint);
}
void _drawCenterCircle(Canvas canvas, Offset center) {
final paint = Paint()
..color = theme.colorScheme.primary
..style = PaintingStyle.fill;
canvas.drawCircle(center, 8, paint);
}
Color _getSpeedColor(double speed) {
if (speed < 30) {
return Colors.green;
} else if (speed < 60) {
return Colors.orange;
} else {
return Colors.red;
}
}
@override
bool shouldRepaint(covariant CustomPainter oldDelegate) {
return oldDelegate is SpeedometerPainter && oldDelegate.speed != speed;
}
}
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import 'package:flutter/material.dart';
class DigitalSpeedometer extends StatelessWidget {
final double speed;
final String unit;
const DigitalSpeedometer({
super.key,
required this.speed,
required this.unit,
});
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
final speedText = speed.toStringAsFixed(0);
return Container(
padding: const EdgeInsets.all(24.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
padding: const EdgeInsets.symmetric(horizontal: 32, vertical: 16),
decoration: BoxDecoration(
border: Border.all(
color: theme.colorScheme.outline,
width: 2,
),
borderRadius: BorderRadius.circular(16),
color: theme.colorScheme.surface,
),
child: Column(
children: [
Text(
speedText,
style: TextStyle(
fontSize: 80,
fontWeight: FontWeight.bold,
color: _getSpeedColor(speed, theme),
fontFeatures: const [FontFeature.tabularFigures()],
),
),
const SizedBox(height: 8),
Text(
unit,
style: theme.textTheme.headlineMedium?.copyWith(
color: theme.colorScheme.onSurface.withOpacity(0.7),
fontWeight: FontWeight.w500,
),
),
],
),
),
const SizedBox(height: 24),
_buildSpeedIndicator(speed, theme),
],
),
);
}
Color _getSpeedColor(double speed, ThemeData theme) {
if (speed < 30) {
return Colors.green;
} else if (speed < 60) {
return Colors.orange;
} else {
return Colors.red;
}
}
Widget _buildSpeedIndicator(double speed, ThemeData theme) {
final maxSpeed = 120.0;
final progress = (speed / maxSpeed).clamp(0.0, 1.0);
return Column(
children: [
Text(
'Speed Progress',
style: theme.textTheme.bodyMedium?.copyWith(
color: theme.colorScheme.onSurface.withOpacity(0.7),
),
),
const SizedBox(height: 8),
Container(
width: 200,
height: 8,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(4),
color: theme.colorScheme.outline.withOpacity(0.3),
),
child: FractionallySizedBox(
alignment: Alignment.centerLeft,
widthFactor: progress,
child: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(4),
color: _getSpeedColor(speed, theme),
),
),
),
),
const SizedBox(height: 4),
Text(
'${(progress * 100).toStringAsFixed(0)}%',
style: theme.textTheme.bodySmall?.copyWith(
color: theme.colorScheme.onSurface.withOpacity(0.5),
),
),
],
);
}
}
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import 'package:flutter/material.dart';
import '../providers/location_provider.dart';
import '../providers/settings_provider.dart';
class InfoPanel extends StatelessWidget {
final LocationProvider locationProvider;
final SettingsProvider settingsProvider;
const InfoPanel({
super.key,
required this.locationProvider,
required this.settingsProvider,
});
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.all(16.0),
child: Column(
children: [
if (settingsProvider.showCoordinates ||
settingsProvider.showDistance ||
settingsProvider.showTripTime ||
settingsProvider.showAccuracy)
Expanded(
child: GridView.count(
crossAxisCount: 2,
childAspectRatio: 2.5,
crossAxisSpacing: 8,
mainAxisSpacing: 8,
children: _buildInfoCards(context),
),
)
else
Expanded(
child: Center(
child: Text(
'Enable additional metrics in settings',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
),
),
],
),
);
}
List<Widget> _buildInfoCards(BuildContext context) {
final cards = <Widget>[];
if (settingsProvider.showCoordinates) {
cards.add(_buildInfoCard(
context,
'Location',
'${locationProvider.latitude?.toStringAsFixed(6) ?? '--'}\n${locationProvider.longitude?.toStringAsFixed(6) ?? '--'}',
Icons.location_on,
));
}
if (settingsProvider.showDistance) {
final distanceKm = locationProvider.totalDistance / 1000;
final distanceText = distanceKm < 1
? '${locationProvider.totalDistance.toStringAsFixed(0)} m'
: '${distanceKm.toStringAsFixed(2)} km';
cards.add(_buildInfoCard(
context,
'Distance',
distanceText,
Icons.straighten,
));
}
if (settingsProvider.showTripTime) {
final duration = locationProvider.tripDuration;
final hours = duration.inHours;
final minutes = duration.inMinutes % 60;
final seconds = duration.inSeconds % 60;
String timeText;
if (hours > 0) {
timeText = '${hours.toString().padLeft(2, '0')}:${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
} else {
timeText = '${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
}
cards.add(_buildInfoCard(
context,
'Trip Time',
timeText,
Icons.timer,
));
}
if (settingsProvider.showAccuracy) {
final accuracy = locationProvider.accuracy;
final accuracyText = accuracy != null
? '±${accuracy.toStringAsFixed(0)} m'
: '--';
cards.add(_buildInfoCard(
context,
'Accuracy',
accuracyText,
Icons.gps_fixed,
));
}
return cards;
}
Widget _buildInfoCard(BuildContext context, String title, String value, IconData icon) {
return Card(
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
icon,
size: 20,
color: Theme.of(context).colorScheme.primary,
),
const SizedBox(height: 4),
Text(
title,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
fontWeight: FontWeight.w500,
),
),
const SizedBox(height: 2),
Flexible(
child: Text(
value,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
fontFamily: 'monospace',
),
textAlign: TextAlign.center,
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
),
],
),
),
);
}
}
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import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../providers/settings_provider.dart';
class SpeedUnitSelector extends StatelessWidget {
const SpeedUnitSelector({super.key});
@override
Widget build(BuildContext context) {
return Consumer<SettingsProvider>(
builder: (context, settings, child) {
return Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: SpeedUnit.values.map((unit) {
final isSelected = settings.speedUnit == unit;
return Expanded(
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 4.0),
child: ElevatedButton(
onPressed: () => settings.setSpeedUnit(unit),
style: ElevatedButton.styleFrom(
backgroundColor: isSelected
? Theme.of(context).colorScheme.primary
: Theme.of(context).colorScheme.surface,
foregroundColor: isSelected
? Theme.of(context).colorScheme.onPrimary
: Theme.of(context).colorScheme.onSurface,
elevation: isSelected ? 4 : 1,
padding: const EdgeInsets.symmetric(vertical: 8),
),
child: Text(
_getUnitDisplayText(unit),
style: TextStyle(
fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
fontSize: 12,
),
),
),
),
);
}).toList(),
);
},
);
}
String _getUnitDisplayText(SpeedUnit unit) {
switch (unit) {
case SpeedUnit.kmh:
return 'km/h';
case SpeedUnit.mph:
return 'mph';
case SpeedUnit.knots:
return 'knots';
}
}
}