Flutter华为环境感知插件huawei_awareness的使用

华为环境感知Flutter插件

华为环境感知Flutter插件为HUAWEI Awareness Kit在Flutter平台上的使用提供了适配代码。通过HUAWEI Awareness Kit，您的应用可以为用户提供便捷且安全的访问多样化的地方服务。

了解更多：华为开发者文档

安装

请参阅 pub.dev 和 AppGallery Connect配置。

文档

• 快速入门
• 参考文档

问题或建议

如果您在使用HMS示例时遇到任何问题，请尝试以下选项：

• Stack Overflow 是编程问题的最佳去处。请确保使用标签 huawei-mobile-services。
• GitHub 是这些插件的官方仓库，您可以在此提交问题或提出您的想法。
• 华为开发者论坛 HMS Core模块是针对一般问题、寻求推荐和意见的好地方。
• 华为开发者文档 是所有HMS Core Kit的官方文档，您可以在这里找到详细的文档。

如果您在我们的示例中遇到错误，请提交到 GitHub仓库。

许可证

华为环境感知Flutter插件基于 Apache 2.0许可证 进行授权。

示例代码

/*
    Copyright 2020-2024. Huawei Technologies Co., Ltd. All rights reserved.

    Licensed under the Apache License, Version 2.0 (the "License")
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

        https://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/

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

import 'custom_widgets/custom_app_bar.dart';
import 'custom_widgets/custom_button.dart';
import 'barrier_client_demo.dart';
import 'capture_client_demo.dart';

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

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

  [@override](/user/override)
  Widget build(BuildContext context) {
    return const MaterialApp(
      home: Home(),
    );
  }
}

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

  [@override](/user/override)
  State<Home> createState() => _HomeState();
}

class _HomeState extends State<Home> {
  bool hmsLoggerStatus = true;

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: const CustomAppBar(
        icon: true,
        size: 210,
        title: '华为环境感知',
        title2: 'Flutter插件示例',
      ),
      body: Padding(
        padding: const EdgeInsets.all(12.0),
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: <Widget>[
            const Padding(
              padding: EdgeInsets.all(8.0),
              child: Text(
                '利用用户洞察让您的应用工作得更聪明更好。',
                textAlign: TextAlign.center,
                style: TextStyle(
                  fontWeight: FontWeight.bold,
                  fontSize: 20,
                  color: Color.fromRGBO(30, 61, 89, 1),
                ),
              ),
            ),
            const Padding(
              padding: EdgeInsets.all(8.0),
              child: Text(
                '时间、位置、天气、行为、耳机状态、信标、环境光强度和汽车蓝牙状态都是适应用户环境的重要信息。',
                textAlign: TextAlign.center,
                style: TextStyle(
                  color: Color.fromRGBO(30, 61, 89, 1),
                ),
              ),
            ),
            CustomButton(
                text: '捕获客户端示例',
                onPressed: () {
                  Navigator.push(
                    context,
                    MaterialPageRoute<dynamic>(
                      builder: (BuildContext context) {
                        return const CaptureClientDemo();
                      },
                    ),
                  );
                }),
            CustomButton(
                text: '屏障客户端示例',
                onPressed: () {
                  Navigator.push(
                    context,
                    MaterialPageRoute<dynamic>(
                      builder: (BuildContext context) {
                        return const BarrierClientDemo();
                      },
                    ),
                  );
                }),
            const Padding(
              padding: EdgeInsets.symmetric(horizontal: 38.0),
              child: Divider(
                color: Color.fromRGBO(30, 61, 89, 0.5),
              ),
            ),
            const Padding(
              padding: EdgeInsets.all(8.0),
              child: Text(
                "此方法启用/禁用用于发送Awareness SDK方法的使用分析以提高服务质量的HMSLogger功能。",
                textAlign: TextAlign.center,
                style: TextStyle(
                  color: Color.fromRGBO(30, 61, 89, 1),
                ),
              ),
            ),
            CustomButton(
              text: '启用/禁用Hms Logger',
              onPressed: () {
                if (hmsLoggerStatus) {
                  AwarenessUtilsClient.disableLogger();
                  setState(() {
                    hmsLoggerStatus = false;
                  });
                } else {
                  AwarenessUtilsClient.enableLogger();
                  setState(() {
                    hmsLoggerStatus = true;
                  });
                }
              },
            ),
          ],
        ),
      ),
    );
  }
}

捕获客户端示例 (CaptureClientDemo)

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

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

class _CaptureClientDemoState extends State<CaptureClientDemo> {
  String _message = '';

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

  Future<void> _startCapture() async {
    try {
      final response = await AwarenessClient.capture(
        AwarenessConstants.BAROMETER,
        AwarenessConstants.LOCATION,
        AwarenessConstants.BEACON,
      );

      setState(() {
        _message =
            'Barometer: ${response.barometer}, Location: ${response.location?.latitude},${response.location?.longitude}, Beacon: ${response.beacon}';
      });
    } catch (e) {
      setState(() {
        _message = 'Error: $e';
      });
    }
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('捕获客户端示例')),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(_message),
          ],
        ),
      ),
    );
  }
}

屏障客户端示例 (BarrierClientDemo)

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

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

class _BarrierClientDemoState extends State<BarrierClientDemo> {
  String _message = '';

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

  Future<void> _startBarrierCheck() async {
    try {
      final response = await AwarenessClient.check(
        AwarenessConstants.BAROMETER_BARRIER,
        AwarenessConstants.LOCATION_BARRIER,
      );

      setState(() {
        _message =
            'Barometer Barrier: ${response.barometerBarrier}, Location Barrier: ${response.locationBarrier}';
      });
    } catch (e) {
      setState(() {
        _message = 'Error: $e';
      });
    }
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('屏障客户端示例')),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(_message),
          ],
        ),
      ),
    );
  }
}