aidlab_sdk 0.0.6+1

Official Aidlab SDK for Flutter, for more information please visit https://www.aidlab.com/developer

example/lib/main.dart

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

import 'package:flutter/services.dart';
import 'package:permission_handler/permission_handler.dart';

import 'line_chart.dart';
import 'dart:io' show Platform;

void main() async {
  await AidlabSdk.instance.init();
  runApp(MaterialApp(home: MyApp()));
}

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

class _MyAppState extends State<MyApp>
    implements
        AidlabSdkDelegate,
        AidlabDelegate,
        AidlabSynchronizationDelegate {
  String _aidlabState = "Disconnected";
  String _aidlabInfo = "";
  String _aidlabWearState = "";
  String _heartRate = "";
  String _batteryLevel = "";
  String _skinTemperature = "";
  String _unsynchronizedSize = "";
  String _syncState = "";
  List<double> _ecg = [];
  List<String> _aidlabs = [];
  int _skipEcgCount = 1;

  Aidlab? currentAidlab;

  @override
  void initState() {
    super.initState();
    AidlabSdk.instance.aidlabSdkDelegate = this;
  }

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

  void _setAidlabState(String state) {
    setState(() {
      _aidlabState = state;
    });
  }

  Future<void> scanForAidlab() async {
    if (Platform.isAndroid) {
      _scanForAidlabAndroid();
    } else {
      _scanForAidlabiOS();
    }
  }

  void _scanForAidlabAndroid() async {
    if (await Permission.location.request().isGranted) {
      _setAidlabState("Scanning");
      AidlabSdk.instance.scanForDevices(ScanMode.aggressive);
    } else {
      _setAidlabState("Bluetooth not granted");
    }
  }

  void _scanForAidlabiOS() {
    _setAidlabState("Scanning");
    AidlabSdk.instance.scanForDevices(ScanMode.aggressive);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Padding(
          padding: EdgeInsets.all(10),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: [
              Column(
                children: createAidlabs(),
              ),
              Text("Aidlab state: $_aidlabState"),
              Text("Aidlab info - $_aidlabInfo"),
              Text("Sync state: $_syncState"),
              Text("Unsynchronized size: $_unsynchronizedSize"),
              Text("Wear state: $_aidlabWearState"),
              Text("Heart rate: $_heartRate"),
              Text("Battery level: $_batteryLevel"),
              Text("Skin temperature: $_skinTemperature"),
              TextButton(
                  onPressed: () {
                    scanForAidlab();
                  },
                  child: Text('Start scan')),
              Wrap(
                children: [
                  TextButton(
                    onPressed: () {
                      currentAidlab?.send("sync count");
                    },
                    child: Text('sync count'),
                  ),
                  TextButton(
                    onPressed: () {
                      currentAidlab?.send("sync clear");
                    },
                    child: Text('sync clear'),
                  ),
                  TextButton(
                    onPressed: () {
                      currentAidlab?.startSynchronization();
                    },
                    child: Text('sync start'),
                  ),
                  TextButton(
                    onPressed: () {
                      currentAidlab?.stopSynchronization();
                    },
                    child: Text('sync stop'),
                  ),
                  TextButton(
                    onPressed: () {
                      currentAidlab?.disconnect();
                    },
                    child: Text('disconnect'),
                  ),
                ],
              ),
              Expanded(
                child: LineChart(_ecg),
              ),
            ],
          ),
        ));
  }

  List<Widget> createAidlabs() {
    return _aidlabs
        .map((aidlab) => TextButton(
              style: TextButton.styleFrom(
                  padding: EdgeInsets.all(0),
                  tapTargetSize: MaterialTapTargetSize.shrinkWrap),
              onPressed: () => _onAidlabPressed(aidlab),
              child: Text(aidlab),
            ))
        .toList();
  }

  void _onAidlabPressed(String aidlab) {
    AidlabSdk.instance.stopDeviceScan();
    setState(() {
      _aidlabs.clear();
    });

    currentAidlab?.disconnect();
    currentAidlab = null;
    final signals = [
      Signal.Ecg,
      Signal.Respiration,
      Signal.Temperature,
      Signal.Motion,
      Signal.Battery,
      Signal.Activity,
      Signal.Orientation,
      Signal.Steps,
      Signal.HeartRate,
    ];
    AidlabSdk.instance.connect(aidlab, signals, this);
  }

  // --------- Aidlab SDK delegate -------------

  @override
  void onAidlabDetected(String address, int rssi) {
    //
    // if(address == currentAidlab?.address) {
    //   _onAidlabPressed(address);
    // }
    // return;

    setState(() {
      if (!_aidlabs.contains(address)) {
        _aidlabs.add(address);
      }
    });
  }

  @override
  void onBluetoothStarted() {}

  @override
  void onDeviceScanStarted() {}

  @override
  void onDeviceScanStopped() {}

  @override
  void onScanFailed(int errorCode) {}

  // --------- Aidlab delegate -------------

  final commands = [
    "sync enable ecg",
    "sync enable respiration",
    "sync enable activity",
    "sync enable steps",
    "sync enable heartRate",
    "sync enable temperature"
  ];

  void _sendCommands(Aidlab aidlab) {
    if (commands.isNotEmpty) {
      aidlab.send(commands.first);
      commands.removeAt(0);
    } else {
      aidlab.startSynchronization();
    }
  }

  @override
  void didConnectAidlab(Aidlab aidlab) {
    print(aidlab.address);
    currentAidlab = aidlab;
    aidlab.aidlabSynchronizationDelegate = this;
    setState(() {
      _aidlabState = "Connected";
      _aidlabInfo = "serial number: ${aidlab.serialNumber}\n"
          "hardware: ${aidlab.hardwareRevision}\n"
          "firmware: ${aidlab.firmwareRevision}";
    });

    // _sendCommands(aidlab);
  }

  @override
  void didDetectExercise(Aidlab aidlab, Exercise exercise) {}

  @override
  void didDisconnectAidlab(Aidlab? aidlab, DisconnectReason reason) {
    setState(() {
      _aidlabState = "Disconnected";
      _aidlabInfo = "Disconnect reason: ${reason.toString().split(".")[1]}";
    });

    scanForAidlab();
  }

  @override
  void didReceiveAccelerometer(
      Aidlab aidlab, int timestamp, double ax, double ay, double az) {}

  @override
  void didReceiveActivity(
      Aidlab aidlab, int timestamp, ActivityType activity) {}

  @override
  void didReceiveBatteryLevel(Aidlab? aidlab, int stateOfCharge) {
    setState(() {
      _batteryLevel = "$stateOfCharge";
    });
  }

  @override
  void didReceiveCommand(Aidlab aidlab) {
    // _sendCommands(aidlab);
  }

  @override
  void didReceiveECG(Aidlab aidlab, int timestamp, List<double> values) {
    _skipEcgCount = (_skipEcgCount + 1) % 10;

    if (_skipEcgCount != 0) {
      return;
    }

    setState(() {
      _ecg.add(values[0]);
      while (_ecg.length > 100) {
        _ecg.removeAt(0);
      }
    });
  }

  @override
  void didReceiveError(String error) {}

  @override
  void didReceiveGyroscope(
      Aidlab aidlab, int timestamp, double qx, double qy, double qz) {}

  @override
  void didReceiveHeartRate(Aidlab aidlab, int timestamp, int heartRate) {
    setState(() {
      _heartRate = "$heartRate";
    });
  }

  @override
  void didReceiveMagnetometer(
      Aidlab aidlab, int timestamp, double mx, double my, double mz) {}

  @override
  void didReceiveMessage(Aidlab aidlab, String process, String message) {}

  @override
  void didDetectUserEvent(Aidlab aidlab, int timestamp) {}

  @override
  void didReceiveOrientation(
      Aidlab aidlab, int timestamp, double roll, double pitch, double yaw) {}

  @override
  void didReceiveBodyPosition(
      Aidlab aidlab, int timestamp, BodyPosition bodyPosition) {}

  @override
  void didReceiveHrv(Aidlab aidlab, int timestamp, int hrv) {}

  @override
  void didReceiveQuaternion(Aidlab aidlab, int timestamp, double qw, double qx,
      double qy, double qz) {}

  @override
  void didReceiveRespiration(
      Aidlab aidlab, int timestamp, List<double> values) {}

  @override
  void didReceiveRespirationRate(Aidlab aidlab, int timestamp, int value) {}

  @override
  void didReceiveSkinTemperature(Aidlab aidlab, int timestamp, double value) {
    setState(() {
      _skinTemperature = "${value.toInt()}";
    });
  }

  @override
  void didReceiveSoundVolume(Aidlab aidlab, int timestamp, int value) {}

  @override
  void didReceiveSoundFeatures(Aidlab aidlab, List<double> values) {}

  @override
  void didReceiveSteps(Aidlab aidlab, int timestamp, int steps) {}

  @override
  void wearStateDidChange(Aidlab aidlab, WearState wearState) {
    setState(() {
      _aidlabWearState = "${wearState.toString()}";
    });
  }

  // --------- Aidlab synchronization delegate -------------

  @override
  void didReceivePastActivity(
      Aidlab aidlab, int timestamp, ActivityType activity) {}

  @override
  void didReceivePastECG(Aidlab aidlab, int timestamp, List<double> values) {}

  @override
  void didReceivePastRespiration(
      Aidlab aidlab, int timestamp, List<double> values) {}

  @override
  void didReceivePastRespirationRate(Aidlab aidlab, int timestamp, int value) {}

  @override
  void didReceivePastSkinTemperature(
      Aidlab aidlab, int timestamp, double value) {}

  @override
  void didReceivePastSteps(Aidlab aidlab, int timestamp, int value) {}

  @override
  void didReceivePastAccelerometer(
      Aidlab aidlab, int timestamp, double ax, double ay, double az) {}

  @override
  void didReceivePastBodyPosition(
      Aidlab aidlab, int timestamp, BodyPosition bodyPosition) {}

  @override
  void didReceivePastGyroscope(
      Aidlab aidlab, int timestamp, double qx, double qy, double qz) {}

  @override
  void didReceivePastHeartRate(Aidlab aidlab, int timestamp, int heartRate) {}

  @override
  void didReceivePastHrv(Aidlab aidlab, int timestamp, int hrv) {}

  @override
  void didReceivePastMagnetometer(
      Aidlab aidlab, int timestamp, double mx, double my, double mz) {}

  @override
  void didReceivePastOrientation(
      Aidlab aidlab, int timestamp, double roll, double pitch, double yaw) {}

  @override
  void didReceivePastPressure(Aidlab aidlab, int timestamp, List<int> values) {}

  @override
  void didReceivePastQuaternion(Aidlab aidlab, int timestamp, double qw,
      double qx, double qy, double qz) {}

  @override
  void didReceivePastSoundVolume(
      Aidlab aidlab, int timestamp, int soundVolume) {}

  @override
  void didDetectPastUserEvent(Aidlab aidlab, int timestamp) {}

  @override
  void didReceivePastSoundFeatures(Aidlab aidlab, List<double> values) {}

  @override
  void didReceiveUnsynchronizedSize(Aidlab aidlab, int unsynchronizedSize) {
    setState(() {
      _unsynchronizedSize = "$unsynchronizedSize";
    });
  }

  @override
  void syncStateDidChange(Aidlab aidlab, SyncState state) {
    setState(() {
      _syncState = "${state.toString()}";
    });
  }
}