Flutter健康数据同步插件fitbito的使用

fitbito 是一个用于在 Flutter 应用程序中同步健康数据的新插件项目。该插件允许你与 Fitbit 设备进行通信，以获取和设置设备的各种健康数据。

开始使用

首先，确保你已经安装了 fitbito 插件和 permission_handler 插件。你可以在 pubspec.yaml 文件中添加以下依赖项：

dependencies:
  fitbito: ^x.x.x
  permission_handler: ^x.x.x

然后运行 flutter pub get 来安装这些依赖项。

完整示例代码

以下是完整的示例代码，展示了如何使用 fitbito 插件来扫描设备、连接设备、获取电池电量、实时心率等操作。

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

import 'package:fitbito/fitbito.dart';
import 'package:permission_handler/permission_handler.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);

  [@override](/user/override)
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  late Future<List<Object?>> _scannedDevices = Future.value([]);
  final _fitbitoPlugin = Fitbito();
  late Future<String?> _result = Future.value('');
  late Future<int?> _batteryLevel = Future.value(6);
  late Future<int?> _realTimeHeartRate = Future.value(-1);
  late Future<String?> _systemId = Future.value('');
  late Future<String?> _armBandRecord = Future.value('');
  late Future<String?> _armbandMaxResult = Future.value('');
  late Future<String?> _hrvTimeResult = Future.value('');
  late Future<String?> _hrvModeResult = Future.value('');
  late Future<String?> _ageResult = Future.value('');
  late Future<String?> _colorResult = Future.value('');
  late Future<String?> _clearRecordResult = Future.value('');

  [@override](/user/override)
  void initState() {
    initPlatformState();
    super.initState();
  }

  Future<void> initPlatformState() async {
    if (!mounted) return;
    Map<Permission, PermissionStatus> statuses = await [
      Permission.bluetooth,
      Permission.bluetoothScan,
      Permission.bluetoothConnect,
    ].request();
  }

  Future<void> startScan() async {
    final List<Object?>? deviceArray = await _fitbitoPlugin.startScan();
    if (!mounted) return;
    setState(() {
      _scannedDevices = Future.value(deviceArray
          ?.map((device) => device?.toString())
          .cast<String>()
          .toList() ??
          []);
    });
  }

  Future<void> stopScan() async {
    final List<Object?>? deviceArray = await _fitbitoPlugin.stopScan();
    if (!mounted) return;
    setState(() {
      _scannedDevices = Future.value(deviceArray
          ?.map((device) => device?.toString())
          .cast<String>()
          .toList() ??
          []);
    });
  }

  Future<void> selectDevice(String selectDevice) async {
    final String? result1 = await _fitbitoPlugin.selectDevice(selectDevice);
    if (!mounted || result1 == null) return;
    setState(() {
      _result = Future.value(result1);
    });
  }

  Future<void> disconnectDevice() async {
    final String? result1 = await _fitbitoPlugin.disconnectDevice();
    if (!mounted) return;
    setState(() {
      _result = Future.value(result1!);
    });
  }

  Future<void> getBatteryLevel() async {
    final int? result1 = await _fitbitoPlugin.batteryLevel();
    if (!mounted || result1 == null) return;
    setState(() {
      _batteryLevel = Future.value(result1);
    });
  }

  Future<void> realTimeHeartRate() async {
    final int? result1 = await _fitbitoPlugin.realTimeHeartRate();
    if (!mounted) return;
    setState(() {
      _realTimeHeartRate = Future.value(result1);
    });
  }

  Future<void> getSystemID() async {
    final String? result1 = await _fitbitoPlugin.getSystemID();
    if (!mounted) return;
    setState(() {
      _systemId = Future.value(result1);
    });
  }

  Future<void> getArmBandRecord() async {
    final String? result1 = await _fitbitoPlugin.getArmBandRecord();
    if (!mounted) return;
    setState(() {
      _armBandRecord = Future.value(result1);
    });
  }

  Future<void> setMaxArmBand(int maxArmBand) async {
    final String? result1 = await _fitbitoPlugin.setMaxArmBand(maxArmBand);
    if (!mounted || result1 == null) return;
    setState(() {
      _armbandMaxResult = Future.value(result1);
    });
  }

  Future<void> setHrvTime(int hrvTime) async {
    final String? result1 = await _fitbitoPlugin.setHrvTime(hrvTime);
    if (!mounted || result1 == null) return;
    setState(() {
      _hrvTimeResult = Future.value(result1);
    });
  }

  Future<void> enterHrvMode() async {
    final String? result1 = await _fitbitoPlugin.enterHrvMode();
    if (!mounted) return;
    setState(() {
      _hrvModeResult = Future.value(result1);
    });
  }

  Future<void> exitHrvMode() async {
    final String? result1 = await _fitbitoPlugin.exitHrvMode();
    if (!mounted) return;
    setState(() {
      _hrvModeResult = Future.value(result1);
    });
  }

  Future<void> setAge(int age) async {
    final String? result1 = await _fitbitoPlugin.setAge(age);
    if (!mounted || result1 == null) return;
    setState(() {
      _ageResult = Future.value(result1);
    });
  }

  Future<void> setColor(int color) async {
    final String? result1 = await _fitbitoPlugin.setColor(color);
    if (!mounted || result1 == null) return;
    setState(() {
      _colorResult = Future.value(result1);
    });
  }

  Future<void> clearRecord() async {
    final String? result1 = await _fitbitoPlugin.clearRecord();
    if (!mounted) return;
    setState(() {
      _clearRecordResult = Future.value(result1);
    });
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Column(
            children: [
              Center(
                child: Row(
                  children: [
                    ElevatedButton(
                      onPressed: () {
                        startScan();
                      },
                      child: const Text('Scan Device'),
                    ),
                    const SizedBox(width: 20),
                    ElevatedButton(
                      onPressed: () {
                        stopScan();
                      },
                      child: const Text('Stop Scan'),
                    ),
                  ],
                ),
              ),
              Row(
                children: [
                  FutureBuilder<List<Object?>>(
                    future: _scannedDevices,
                    builder: (BuildContext context,
                        AsyncSnapshot<List<Object?>> snapshot) {
                      if (snapshot.connectionState == ConnectionState.waiting) {
                        return const CircularProgressIndicator();
                      } else if (snapshot.hasError) {
                        return Text('Error: ${snapshot.error}');
                      } else if (!snapshot.hasData || snapshot.data!.isEmpty) {
                        return const Text('No devices scanned.');
                      } else {
                        final scannedDevices = snapshot.data!;
                        return Column(
                          children: [
                            Row(
                              children: [
                                Text('Scan started: ${scannedDevices[0]}   '),
                              ],
                            ),
                            ElevatedButton(
                              onPressed: () async {
                                await selectDevice(scannedDevices[0].toString().replaceAll("\"", ""));
                              },
                              child: const Text('select Device'),
                            ),
                            ElevatedButton(
                              onPressed: () async {
                                await disconnectDevice();
                              },
                              child: const Text('disconnect Device'),
                            ),
                            FutureBuilder<String?>(
                                future: _result,
                                builder: (BuildContext context,
                                    AsyncSnapshot<String?> snapshot) {
                                  if (snapshot.connectionState == ConnectionState.waiting) {
                                    return const CircularProgressIndicator();
                                  } else if (snapshot.hasError) {
                                    return Text('Error: ${snapshot.error}');
                                  } else if (!snapshot.hasData || snapshot.data!.isEmpty) {
                                    return const Text('No devices scanned.');
                                  } else {
                                    final result = snapshot.data!;
                                    return Text(result);
                                  }
                                }),
                          ],
                        );
                      }
                    },
                  ),
                ],
              ),
              Row(
                children: [
                  ElevatedButton(
                    onPressed: () async {
                      await realTimeHeartRate();
                    },
                    child: const Text('get Heart Rate'),
                  ),
                  FutureBuilder<int?>(
                      future: _realTimeHeartRate,
                      builder: (BuildContext context,
                          AsyncSnapshot<int?> snapshot) {
                        if (snapshot.connectionState == ConnectionState.waiting) {
                          return const CircularProgressIndicator();
                        } else if (snapshot.hasError) {
                          return Text('Error: ${snapshot.error}');
                        } else if (!snapshot.hasData || snapshot.data == null) {
                          return const Text('No devices scanned.');
                        } else {
                          final result = snapshot.data!;
                          return Text("$result");
                        }
                      }),
                ],
              ),
              Row(
                children: [
                  ElevatedButton(
                    onPressed: () async {
                      await getBatteryLevel();
                    },
                    child: const Text('get Battery Level'),
                  ),
                  FutureBuilder<int?>(
                      future: _batteryLevel,
                      builder: (BuildContext context,
                          AsyncSnapshot<int?> snapshot) {
                        if (snapshot.connectionState == ConnectionState.waiting) {
                          return const CircularProgressIndicator();
                        } else if (snapshot.hasError) {
                          return Text('Error: ${snapshot.error}');
                        } else if (!snapshot.hasData || snapshot.data == null) {
                          return const Text('No devices scanned.');
                        } else {
                          final result = snapshot.data!;
                          return Text("$result");
                        }
                      }),
                ],
              ),
              Row(
                children: [
                  ElevatedButton(
                    onPressed: () async {
                      await getSystemID();
                    },
                    child: const Text('get System Id'),
                  ),
                  FutureBuilder<String?>(
                      future: _systemId,
                      builder: (BuildContext context,
                          AsyncSnapshot<String?> snapshot) {
                        if (snapshot.connectionState == ConnectionState.waiting) {
                          return const CircularProgressIndicator();
                        } else if (snapshot.hasError) {
                          return Text('Error: ${snapshot.error}');
                        } else if (!snapshot.hasData || snapshot.data == null) {
                          return const Text('No devices scanned.');
                        } else {
                          return Text(snapshot.data.toString());
                        }
                      }),
                ],
              ),
              Row(
                children: [
                  ElevatedButton(
                    onPressed: () async {
                      await getArmBandRecord();
                    },
                    child: const Text('get arm band record'),
                  ),
                  FutureBuilder<String?>(
                      future: _armBandRecord,
                      builder: (BuildContext context,
                          AsyncSnapshot<String?> snapshot) {
                        if (snapshot.connectionState == ConnectionState.waiting) {
                          return const CircularProgressIndicator();
                        } else if (snapshot.hasError) {
                          return Text('Error: ${snapshot.error}');
                        } else if (!snapshot.hasData || snapshot.data == null) {
                          return const Text('No devices scanned.');
                        } else {
                          return Text(snapshot.data.toString());
                        }
                      }),
                ],
              ),
              Row(
                children: [
                  ElevatedButton(
                    onPressed: () async {
                      await clearRecord();
                    },
                    child: const Text('clear record'),
                  ),
                  FutureBuilder<String?>(
                      future: _clearRecordResult,
                      builder: (BuildContext context,
                          AsyncSnapshot<String?> snapshot) {
                        if (snapshot.connectionState == ConnectionState.waiting) {
                          return const CircularProgressIndicator();
                        } else if (snapshot.hasError) {
                          return Text('Error: ${snapshot.error}');
                        } else if (!snapshot.hasData || snapshot.data == null) {
                          return const Text('No devices scanned.');
                        } else {
                          final result = snapshot.data!;
                          return Text(result);
                        }
                      }),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }
}

更多关于Flutter健康数据同步插件fitbito的使用的实战教程也可以访问 https://www.itying.com/category-92-b0.html

caililin 1楼

更多关于Flutter健康数据同步插件fitbito的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html

Fitbito 是一个用于在 Flutter 应用中同步健康数据的插件。它允许你从 Google Fit 和 Apple Health 等健康平台获取数据，并将其同步到你的应用中。以下是如何在 Flutter 项目中使用 Fitbito 插件的基本步骤：

1. 添加依赖

首先，你需要在 pubspec.yaml 文件中添加 Fitbito 插件的依赖：

dependencies:
  flutter:
    sdk: flutter
  fitbito: ^0.0.1  # 请检查最新版本

然后运行 flutter pub get 来安装依赖。

2. 配置平台

Android

在 AndroidManifest.xml 中添加以下权限：

<uses-permission android:name="android.permission.ACTIVITY_RECOGNITION"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>

iOS

在 Info.plist 中添加以下键值对：

<key>NSHealthShareUsageDescription</key>
<string>我们需要访问您的健康数据以提供更好的服务。</string>
<key>NSHealthUpdateUsageDescription</key>
<string>我们需要更新您的健康数据以提供更好的服务。</string>

3. 初始化 Fitbito

在你的 Dart 代码中，首先导入 Fitbito 插件：

import 'package:fitbito/fitbito.dart';

然后初始化 Fitbito：

Fitbito fitbito = Fitbito();

4. 请求权限

在使用健康数据之前，你需要请求用户的权限：

bool hasPermission = await fitbito.requestPermission();
if (hasPermission) {
  print("Permission granted");
} else {
  print("Permission denied");
}

5. 同步健康数据

你可以使用 Fitbito 同步步数、距离、卡路里等健康数据。以下是一个同步步数的例子：

DateTime startDate = DateTime.now().subtract(Duration(days: 7));
DateTime endDate = DateTime.now();

List<HealthDataPoint> stepsData = await fitbito.getSteps(startDate, endDate);

for (var dataPoint in stepsData) {
  print("Date: ${dataPoint.date}, Steps: ${dataPoint.value}");
}

6. 处理数据

你可以根据需要对获取到的数据进行处理，例如显示在 UI 上或存储到数据库中。

7. 错误处理

在使用 Fitbito 时，可能会遇到权限问题或其他错误。你可以使用 try-catch 块来处理这些错误：

try {
  List<HealthDataPoint> stepsData = await fitbito.getSteps(startDate, endDate);
} catch (e) {
  print("Error: $e");
}

8. 其他功能

Fitbito 还提供了其他功能，如获取心率、睡眠数据等。你可以查看插件的文档以了解更多详细信息。

示例代码

以下是一个完整的示例代码，展示如何使用 Fitbito 插件同步步数数据：

import 'package:flutter/material.dart';
import 'package:fitbito/fitbito.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Fitbito Example'),
        ),
        body: Center(
          child: FitbitoExample(),
        ),
      ),
    );
  }
}

class FitbitoExample extends StatefulWidget {
  [@override](/user/override)
  _FitbitoExampleState createState() => _FitbitoExampleState();
}

class _FitbitoExampleState extends State<FitbitoExample> {
  Fitbito fitbito = Fitbito();
  List<HealthDataPoint> stepsData = [];

  [@override](/user/override)
  void initState() {
    super.initState();
    initFitbito();
  }

  Future<void> initFitbito() async {
    bool hasPermission = await fitbito.requestPermission();
    if (hasPermission) {
      DateTime startDate = DateTime.now().subtract(Duration(days: 7));
      DateTime endDate = DateTime.now();

      try {
        stepsData = await fitbito.getSteps(startDate, endDate);
        setState(() {});
      } catch (e) {
        print("Error: $e");
      }
    } else {
      print("Permission denied");
    }
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return ListView.builder(
      itemCount: stepsData.length,
      itemBuilder: (context, index) {
        var dataPoint = stepsData[index];
        return ListTile(
          title: Text("Date: ${dataPoint.date}"),
          subtitle: Text("Steps: ${dataPoint.value}"),
        );
      },
    );
  }
}