health 1.1.4

Wrapper for the iOS HealthKit and Android GoogleFit services.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';
import 'package:health/health.dart';

void main() => runApp(MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

enum AppState { DATA_NOT_FETCHED, FETCHING_DATA, DATA_READY, NO_DATA }

class _MyAppState extends State<MyApp> {
  List<HealthDataPoint> _healthDataList = [];
  AppState _state = AppState.DATA_NOT_FETCHED;

  DateTime startDate = DateTime.utc(2001, 01, 01);
  DateTime endDate = DateTime.now();

  @override
  void initState() {
    super.initState();
  }

  Future<void> fetchData() async {
    setState(() {
      _state = AppState.FETCHING_DATA;
    });

    if (await Health.requestAuthorization()) {
      print('Authorized');

      bool weightAvailable = Health.isDataTypeAvailable(HealthDataType.WEIGHT);
      print("is WEIGHT data type available?: $weightAvailable");

      /// Specify the wished data types
      List<HealthDataType> types = [
        HealthDataType.ACTIVE_ENERGY_BURNED,
        HealthDataType.BASAL_ENERGY_BURNED,
        HealthDataType.BLOOD_GLUCOSE,
        HealthDataType.BLOOD_OXYGEN,
        HealthDataType.BLOOD_PRESSURE_DIASTOLIC,
        HealthDataType.BLOOD_PRESSURE_SYSTOLIC,
        HealthDataType.BODY_FAT_PERCENTAGE,
        HealthDataType.BODY_MASS_INDEX,
        HealthDataType.HEART_RATE,
        HealthDataType.HEIGHT,
        HealthDataType.RESTING_HEART_RATE,
        HealthDataType.STEPS,
        HealthDataType.WAIST_CIRCUMFERENCE,
        HealthDataType.WEIGHT
      ];

      for (HealthDataType type in types) {
        /// Calls must be wrapped in a try catch block
        try {
          /// Fetch new data
          List<HealthDataPoint> healthData =
              await Health.getHealthDataFromType(startDate, endDate, type);

          /// Save all the new data points
          _healthDataList.addAll(healthData);

          /// Filter out duplicates based on their UUID
          _healthDataList = Health.removeDuplicates(_healthDataList);
        } catch (exception) {
          print(exception.toString());
        }
      }

      /// Print the results
      _healthDataList.forEach((x) => print("Data point: $x"));

      /// Update the UI to display the results
      setState(() {
        _state =
            _healthDataList.isEmpty ? AppState.NO_DATA : AppState.DATA_READY;
      });
    } else {
      print('Not authorized');
    }
  }

  Widget _contentFetchingData() {
    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      children: <Widget>[
        Container(
            padding: EdgeInsets.all(20),
            child: CircularProgressIndicator(
              strokeWidth: 10,
            )),
        Text('Fetching data...')
      ],
    );
  }

  Widget _contentDataReady() {
    return ListView.builder(
        itemCount: _healthDataList.length,
        itemBuilder: (_, index) {
          HealthDataPoint p = _healthDataList[index];
          return ListTile(
            title: Text("${p.dataType}: ${p.value}"),
            trailing: Text('${p.unit}'),
            subtitle: Text('${p.dateFrom} - ${p.dateTo}'),
          );
        });
  }

  Widget _contentNoData() {
    return Text('No Data to show');
  }

  Widget _contentNotFetched() {
    return Text('Press the download button to fetch data');
  }

  Widget _content() {
    if (_state == AppState.DATA_READY)
      return _contentDataReady();
    else if (_state == AppState.NO_DATA)
      return _contentNoData();
    else if (_state == AppState.FETCHING_DATA) return _contentFetchingData();

    return _contentNotFetched();
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
          appBar: AppBar(
            title: const Text('Plugin example app'),
            actions: <Widget>[
              IconButton(
                icon: Icon(Icons.file_download),
                onPressed: () {
                  fetchData();
                },
              )
            ],
          ),
          body: Center(
            child: _content(),
          )),
    );
  }
}