Flutter获取运营商信息插件carrier_info的使用

发布于 1周前 作者 yibo5220 来自 Flutter

Flutter获取运营商信息插件carrier_info的使用

📱 Carrier Info

pub package

Carrier Info 插件用于从Android和iOS设备获取网络类型、网络代际、移动国家代码等信息。它是基于 js项目 的移植，并改进了现有的 flt_telephony_info 包。

📸 屏幕截图

1.png 1.jpeg

获取 Android 运营商信息

参考文档：

AndroidCarrierData? carrierInfo = await CarrierInfo.getAndroidInfo();

返回示例：

{
  "isVoiceCapable": true,
  "isDataEnabled": true,
  "subscriptionsInfo": [
    {
      "mobileCountryCode": "310",
      "isOpportunistic": false,
      "mobileNetworkCode": "260",
      "displayName": "T-Mobile",
      "isNetworkRoaming": false,
      "simSlotIndex": 0,
      "phoneNumber": "+15551234567",
      "countryIso": "us",
      "subscriptionType": 0,
      "cardId": 0,
      "isEmbedded": false,
      "carrierId": 1,
      "subscriptionId": 1,
      "simSerialNo": "",
      "dataRoaming": 0
    }
  ],
  "isDataCapable": true,
  "isMultiSimSupported": "MULTISIM_NOT_SUPPORTED_BY_HARDWARE",
  "isSmsCapable": true,
  "telephonyInfo": [
    {
      "networkCountryIso": "us",
      "mobileCountryCode": "310",
      "mobileNetworkCode": "260",
      "displayName": "T-Mobile",
      "simState": "SIM_STATE_READY",
      "isoCountryCode": "us",
      "cellId": {
        "cid": 47108,
        "lac": 8514
      },
      "phoneNumber": "+15551234567",
      "carrierName": "T-Mobile",
      "subscriptionId": 1,
      "networkGeneration": "4G",
      "radioType": "LTE",
      "networkOperatorName": "T-Mobile"
    }
  ]
}

获取 iOS 运营商信息

IosCarrierData? carrierInfo = await CarrierInfo.getIosInfo();

返回示例：

{
  "carrierData": [
    {
      "mobileNetworkCode": null,
      "carrierAllowsVOIP": true,
      "mobileCountryCode": null,
      "carrierName": "glo",
      "isoCountryCode": null
    },
    {
      "mobileNetworkCode": "20",
      "isoCountryCode": "ng",
      "carrierAllowsVOIP": true,
      "carrierName": "Airtel",
      "mobileCountryCode": "621"
    }
  ],
  "supportsEmbeddedSIM": false,
  "carrierRadioAccessTechnologyTypeList": [
    "LTE"
  ]
}

✨ 贡献

为了使此插件更加标准，需要大量的PR。对于iOS，获取确切的数据使用情况存在永久限制，目前只有一种复杂的方法可以绕过这个限制。

示例代码

以下是一个完整的示例代码，展示了如何在Flutter应用中使用 carrier_info 插件来获取运营商信息。

import 'dart:async';
import 'dart:convert';
import 'dart:io';

import 'package:carrier_info/carrier_info.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:permission_handler/permission_handler.dart';

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

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

class _MyAppState extends State<MyApp> {
  IosCarrierData? _iosInfo;
  IosCarrierData? get iosInfo => _iosInfo;
  set iosInfo(IosCarrierData? iosInfo) {
    setState(() => _iosInfo = iosInfo);
  }

  AndroidCarrierData? _androidInfo;
  AndroidCarrierData? get androidInfo => _androidInfo;
  set androidInfo(AndroidCarrierData? carrierInfo) {
    setState(() => _androidInfo = carrierInfo);
  }

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

  Future<void> initPlatformState() async {
    // 请求权限
    await [
      Permission.locationWhenInUse,
      Permission.phone,
      Permission.sms,
    ].request();

    try {
      if (Platform.isAndroid) androidInfo = await CarrierInfo.getAndroidInfo();
      if (Platform.isIOS) iosInfo = await CarrierInfo.getIosInfo();
    } catch (e) {
      print(e.toString());
    }
  }

  @override
  Widget build(BuildContext context) {
    return Material(
      color: Colors.transparent,
      child: CupertinoApp(
        debugShowCheckedModeBanner: false,
        home: CupertinoPageScaffold(
          navigationBar: CupertinoNavigationBar(
            middle: const Text('Carrier Info example app'),
            border: Border.symmetric(
              horizontal: BorderSide(
                width: 0.5,
                color: CupertinoColors.systemGrey2.withOpacity(0.4),
              ),
            ),
          ),
          backgroundColor: CupertinoColors.lightBackgroundGray,
          child: Platform.isAndroid
              ? AndroidUI(androidInfo: androidInfo)
              : IosUI(iosInfo: iosInfo),
        ),
      ),
    );
  }
}

class IosUI extends StatelessWidget {
  const IosUI({
    super.key,
    this.iosInfo,
  });

  final IosCarrierData? iosInfo;

  @override
  Widget build(BuildContext context) {
    return ListView(
      children: [
        const SizedBox(height: 20),
        Padding(
          padding: const EdgeInsets.all(15),
          child: Text(
            'CARRIER INFORMATION',
            style: TextStyle(
              fontSize: 15,
              color: CupertinoColors.systemGrey,
            ),
          ),
        ),
        HomeItem(
          title: 'supportsEmbeddedSIM',
          value: '${iosInfo?.supportsEmbeddedSIM}',
          isFirst: true,
        ),
        ...(iosInfo?.carrierRadioAccessTechnologyTypeList ?? []).map(
          (it) => HomeItem(
            title: '',
            value: it,
          ),
        ),
        ...(iosInfo?.carrierData ?? []).map(
          (it) => Column(
            children: [
              const SizedBox(height: 15),
              Text(
                'SIM: ${it.carrierName}',
                style: TextStyle(
                  fontSize: 15,
                  color: CupertinoColors.systemGrey,
                ),
              ),
              const SizedBox(height: 15),
              ...it.toMap().entries.map(
                    (e) => HomeItem(
                      title: e.key,
                      value: '${e.value}',
                    ),
                  )
            ],
          ),
        ),
      ],
    );
  }
}

class AndroidUI extends StatelessWidget {
  const AndroidUI({
    super.key,
    this.androidInfo,
  });

  final AndroidCarrierData? androidInfo;

  @override
  Widget build(BuildContext context) {
    return ListView(
      children: [
        const SizedBox(height: 20),
        Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Padding(
              padding: const EdgeInsets.all(15),
              child: Text(
                'CARRIER INFORMATION',
                style: TextStyle(
                  fontSize: 15,
                  color: CupertinoColors.systemGrey,
                ),
              ),
            ),
            HomeItem(
              title: 'isVoiceCapable',
              value: '${androidInfo?.isVoiceCapable}',
              isFirst: true,
            ),
            HomeItem(
              title: 'isSmsCapable',
              value: '${androidInfo?.isSmsCapable}',
            ),
            HomeItem(
              title: 'isMultiSimSupported',
              value: '${androidInfo?.isMultiSimSupported}',
            ),
            HomeItem(
              title: 'isDataCapable',
              value: '${androidInfo?.isDataCapable}',
            ),
            HomeItem(
              title: 'isDataEnabled',
              value: '${androidInfo?.isDataEnabled}',
            ),
            ...(androidInfo?.telephonyInfo ?? []).map((it) {
              return Padding(
                padding: const EdgeInsets.symmetric(vertical: 15),
                child: Column(
                  children: [
                    Text(
                      'SIM: ${it.phoneNumber} (from telephonyInfo)',
                      style: TextStyle(
                        fontSize: 15,
                        color: CupertinoColors.systemGrey,
                      ),
                    ),
                    const SizedBox(height: 15),
                    ...(it.toMap()).entries.map(
                          (val) => HomeItem(
                            title: '${val.key}',
                            value: '${val.value}',
                          ),
                        )
                  ],
                ),
              );
            }),
            ...(androidInfo?.subscriptionsInfo ?? []).map((it) {
              return Column(
                children: [
                  Text(
                    'SIM: ${it.phoneNumber} (from subscriptionsInfo)',
                    style: TextStyle(
                      fontSize: 15,
                      color: CupertinoColors.systemGrey,
                    ),
                  ),
                  const SizedBox(height: 15),
                  ...(it.toMap()).entries.map(
                        (val) => HomeItem(
                          title: '${val.key}',
                          value: '${val.value}',
                        ),
                      )
                ],
              );
            }),
          ],
        ),
      ],
    );
  }
}

class HomeItem extends StatelessWidget {
  final bool isFirst;
  final String title;
  final String? value;
  const HomeItem({
    super.key,
    required this.title,
    this.value,
    this.isFirst = false,
  });

  @override
  Widget build(BuildContext context) {
    return Material(
      color: Colors.white,
      child: InkWell(
        onTap: () {},
        child: Column(
          children: [
            if (!isFirst)
              Container(height: 0.5, color: Colors.grey.withOpacity(0.3)),
            Padding(
              padding: const EdgeInsets.all(15),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  Text(title),
                  Spacer(),
                  Flexible(
                    child: Wrap(
                      alignment: WrapAlignment.start,
                      crossAxisAlignment: WrapCrossAlignment.start,
                      children: [
                        Text(value ?? ''),
                      ],
                    ),
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}

String jsonPretty(dynamic _obj) {
  String prettyprint;

  var obj = _obj;

  try {
    if (_obj is String) {
      obj = json.decode(_obj);
    }

    if (obj is Map ||
        obj is Map<dynamic, dynamic> ||
        obj is Map<String, dynamic>) {
      const encoder = JsonEncoder.withIndent('  ');
      prettyprint = encoder.convert(obj);
    } else {
      prettyprint = '$obj';
    }
  } catch (e) {
    return _obj;
  }

  return prettyprint;
}

总结

通过上述代码，您可以轻松地在Flutter应用中集成 carrier_info 插件，以获取Android和iOS设备的运营商信息。请确保在请求数据之前先请求必要的权限。希望这个示例能帮助您更好地理解和使用该插件。如果有任何问题或建议，请随时提出。


更多关于Flutter获取运营商信息插件carrier_info的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html

Harmonyos Next教程
1 回复

更多关于Flutter获取运营商信息插件carrier_info的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html


当然，以下是一个关于如何在Flutter项目中使用carrier_info插件来获取设备运营商信息的代码示例。

首先，确保你已经将carrier_info插件添加到你的pubspec.yaml文件中：

dependencies:
  flutter:
    sdk: flutter
  carrier_info: ^x.y.z  # 请将x.y.z替换为最新版本号

然后，运行flutter pub get来安装插件。

接下来，你可以在你的Flutter应用中使用该插件来获取设备的运营商信息。以下是一个完整的示例代码：

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

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Carrier Info Example',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: CarrierInfoScreen(),
    );
  }
}

class CarrierInfoScreen extends StatefulWidget {
  @override
  _CarrierInfoScreenState createState() => _CarrierInfoScreenState();
}

class _CarrierInfoScreenState extends State<CarrierInfoScreen> {
  String? carrierName;
  String? mobileCountryCode;
  String? mobileNetworkCode;
  String? isoCountryCode;
  String? simSerialNumber;
  String? subscriberId;
  String? numeric;

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

  Future<void> _getCarrierInfo() async {
    try {
      CarrierInfo carrierInfo = await CarrierInfo.loadCarrierInfo();
      setState(() {
        carrierName = carrierInfo.carrierName;
        mobileCountryCode = carrierInfo.mobileCountryCode.toString();
        mobileNetworkCode = carrierInfo.mobileNetworkCode.toString();
        isoCountryCode = carrierInfo.isoCountryCode;
        simSerialNumber = carrierInfo.simSerialNumber;
        subscriberId = carrierInfo.subscriberId;
        numeric = carrierInfo.numeric;
      });
    } catch (e) {
      print("Error fetching carrier info: $e");
      // 可以在这里处理错误，比如显示一个错误消息
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Carrier Info Example'),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text('Carrier Name: ${carrierName ?? 'Loading...'}'),
            Text('Mobile Country Code: ${mobileCountryCode ?? 'Loading...'}'),
            Text('Mobile Network Code: ${mobileNetworkCode ?? 'Loading...'}'),
            Text('ISO Country Code: ${isoCountryCode ?? 'Loading...'}'),
            Text('SIM Serial Number: ${simSerialNumber ?? 'Loading...'}'),
            Text('Subscriber ID: ${subscriberId ?? 'Loading...'}'),
            Text('Numeric: ${numeric ?? 'Loading...'}'),
          ],
        ),
      ),
    );
  }
}

在这个示例中，我们创建了一个简单的Flutter应用，该应用在启动时加载并显示设备的运营商信息。我们使用CarrierInfo.loadCarrierInfo()方法来获取这些信息，并在UI中显示它们。

请注意，根据设备的不同和操作系统的权限设置，某些信息可能无法获取或为空。在实际应用中，你可能需要添加适当的错误处理和用户权限请求逻辑。

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