workout 0.6.5

Run a workout session on Wear OS and Tizen. Get data such as heart rate in real time.

example/lib/main.dart

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:wear_plus/wear_plus.dart';
import 'package:workout/workout.dart';

void main() {
  runApp(Platform.isIOS ? const MyIosApp() : const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final workout = Workout();

  final exerciseType = ExerciseType.walking;
  final features = [
    WorkoutFeature.heartRate,
    WorkoutFeature.calories,
    WorkoutFeature.steps,
    WorkoutFeature.distance,
    WorkoutFeature.speed,
  ];
  final enableGps = true;

  double heartRate = 0;
  double calories = 0;
  double steps = 0;
  double distance = 0;
  double speed = 0;
  bool started = false;

  _MyAppState() {
    workout.stream.listen((event) {
      debugPrint('${event.feature}: ${event.value} (${event.timestamp})');
      switch (event.feature) {
        case WorkoutFeature.unknown:
          return;
        case WorkoutFeature.heartRate:
          setState(() {
            heartRate = event.value;
          });
        case WorkoutFeature.calories:
          setState(() {
            calories = event.value;
          });
        case WorkoutFeature.steps:
          setState(() {
            steps = event.value;
          });
        case WorkoutFeature.distance:
          setState(() {
            distance = event.value;
          });
        case WorkoutFeature.speed:
          setState(() {
            speed = event.value;
          });
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(scaffoldBackgroundColor: Colors.black),
      // Use ambient mode to stay alive in the foreground
      // Use a foreground service if you want to stay alive in the background
      home: AmbientMode(
        builder: (context, mode, child) => child!,
        child: Scaffold(
          body: Center(
            child: Column(
              children: [
                const Spacer(),
                Text('Heart rate: $heartRate'),
                Text('Calories: ${calories.toStringAsFixed(2)}'),
                Text('Steps: $steps'),
                Text('Distance: ${distance.toStringAsFixed(2)}'),
                Text('Speed: ${speed.toStringAsFixed(2)}'),
                const Spacer(),
                TextButton(
                  onPressed: toggleExerciseState,
                  child: Text(started ? 'Stop' : 'Start'),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }

  void toggleExerciseState() async {
    if (started) {
      await workout.stop();
    } else {
      final supportedExerciseTypes = await workout.getSupportedExerciseTypes();
      debugPrint('Supported exercise types: ${supportedExerciseTypes.length}');

      final result = await workout.start(
        // In a real application, check the supported exercise types first
        exerciseType: exerciseType,
        features: features,
        enableGps: enableGps,
      );

      if (result.unsupportedFeatures.isNotEmpty) {
        debugPrint('Unsupported features: ${result.unsupportedFeatures}');
        // In a real application, update the UI to match
      } else {
        debugPrint('All requested features supported');
      }
    }

    setState(() => started = !started);
  }
}

class MyIosApp extends StatefulWidget {
  const MyIosApp({super.key});

  @override
  State<StatefulWidget> createState() => _MyIosAppState();
}

class _MyIosAppState extends State<MyIosApp> {
  final workout = Workout();

  var exerciseType = ExerciseType.workout;
  var locationType = WorkoutLocationType.indoor;
  var swimmingLocationType = WorkoutSwimmingLocationType.pool;
  var lapLength = 25.0;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: SafeArea(
          child: ListView(
            padding: const EdgeInsets.all(16),
            children: [
              DropdownButton<ExerciseType>(
                value: exerciseType,
                onChanged: (value) => setState(() => exerciseType = value!),
                items: ExerciseType.values
                    .map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
                    .toList(),
              ),
              DropdownButton<WorkoutLocationType>(
                value: locationType,
                onChanged: (value) => setState(() => locationType = value!),
                items: WorkoutLocationType.values
                    .map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
                    .toList(),
              ),
              DropdownButton<WorkoutSwimmingLocationType>(
                value: swimmingLocationType,
                onChanged: (value) =>
                    setState(() => swimmingLocationType = value!),
                items: WorkoutSwimmingLocationType.values
                    .map((e) => DropdownMenuItem(value: e, child: Text(e.name)))
                    .toList(),
              ),
              TextField(
                decoration: const InputDecoration(labelText: 'Lap length'),
                keyboardType: TextInputType.number,
                onChanged: (value) =>
                    setState(() => lapLength = double.parse(value)),
              ),
              ElevatedButton(
                onPressed: start,
                child: const Text('Start Apple Watch app'),
              ),
            ],
          ),
        ),
      ),
    );
  }

  void start() {
    workout.start(
      exerciseType: exerciseType,
      features: [],
      locationType: locationType,
      swimmingLocationType: swimmingLocationType,
      lapLength: lapLength,
    );
  }
}