movisens_flutter 0.2.0

A Flutter plugin for Movisens devices, which connects to the device and listens for incoming data.

example/lib/main.dart

/*
 * Copyright 2019 Copenhagen Center for Health Technology (CACHET) at the
 * Technical University of Denmark (DTU).
 * Use of this source code is governed by a MIT-style license that can be
 * found in the LICENSE file.
 */
import 'dart:async';

import 'package:flutter/material.dart';
import 'package:movisens_flutter/movisens_flutter.dart';
import 'file_io.dart';

ThemeData darkTheme = ThemeData(
  // Define the default Brightness and Colors
  brightness: Brightness.dark,
  primaryColor: Colors.lightBlue[800],
  accentColor: Colors.cyan[600],

  // Define the default Font Family
  fontFamily: 'Montserrat',

  // Define the default TextTheme. Use this to specify the default
  // text styling for headlines, titles, bodies of text, and more.
  textTheme: TextTheme(
    headline5: TextStyle(fontSize: 72.0, fontWeight: FontWeight.bold),
    headline6: TextStyle(fontSize: 36.0, fontStyle: FontStyle.italic),
    bodyText2: TextStyle(fontSize: 14.0, fontFamily: 'Hind'),
  ),
);

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

class MovisensApp extends StatefulWidget {
  @override
  _MovisensAppState createState() => _MovisensAppState();
}

class _MovisensAppState extends State<MovisensApp> {
  Movisens? _movisens;
  StreamSubscription<Map<String, dynamic>>? _subscription;
  LogManager logManager = LogManager();
  List<Map<String, dynamic>> movisensEvents = [];
  String address = 'unknown', name = 'unknown';
  int? weight, height, age;

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

  void onData(Map<String, dynamic> event) {
    print("Movisense event: $event");
    setState(() {
      movisensEvents.add(event);
      logManager.writeLog('$event');
    });
  }

  void stopListening() {
    _subscription?.cancel();
  }

  void startListening() {
    //address = '88:6B:0F:82:1D:33';// move4

    address = '88:6B:0F:CD:E7:F2'; // ECG4

    name = 'Sensor 02655';
    weight = 100;
    height = 180;
    age = 25;

    UserData userData = UserData(
      weight!,
      height!,
      Gender.male,
      age!,
      SensorLocation.chest,
      address,
      name,
    );

    _movisens = Movisens(userData);

    try {
      _subscription = _movisens!.movisensStream.listen(onData);
    } on MovisensException catch (exception) {
      print(exception);
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Movisens Log App',
      theme: darkTheme,
      home: Scaffold(
        body: ListView.builder(
            itemCount: this.movisensEvents.length,
            itemBuilder: (context, index) => this._buildRow(index)),
      ),
    );
  }

  _buildRow(int index) {
    Map<String, dynamic> d = movisensEvents[index];
    return new Container(
        child: new ListTile(
          leading: Icon(_getIcon(d)),
          title: new Text(
            d.toString(),
            style: TextStyle(fontSize: 12),
          ),
        ),
        decoration:
            new BoxDecoration(border: new Border(bottom: new BorderSide())));
  }

  IconData _getIcon(Map<String, dynamic> d) {
    if (d.containsKey("TapMarker")) return Icons.touch_app;
    if (d.containsKey("MovementAcceleration")) return Icons.arrow_downward;
    if (d.containsKey("BodyPosition")) return Icons.accessibility;
    if (d.containsKey("Met")) return Icons.cached;
    if (d.containsKey("StepCount")) return Icons.directions_walk;
    if (d.containsKey("BatteryLevel")) return Icons.battery_charging_full;
    if (d.containsKey("ConnectionStatus"))
      return Icons.bluetooth_connected;
    else
      return Icons.device_unknown;
  }
}