Flutter RFID读写插件zebra_rfid_sdk_plugin的使用

步骤

1. 在pubspec.yaml文件中添加插件依赖：

   dependencies:
     zebra_rfid_sdk_plugin: ^版本号
   

2. 创建并添加文件夹到android目录下：

   • 创建android/RFIDAPI3Library文件夹。
   • 从以下链接下载内容，并将其复制到android/RFIDAPI3Library文件夹中。注意：需要将build.gradle和RFIDAPI3Library.arr文件添加到android/RFIDAPI3Library文件夹。
   • 链接：下载内容

3. 在setting.gradle文件中添加以下行：

   include ':app', ':RFIDAPI3Library' //RFIDAPI3Library 是文件夹名称
   

4. 在build.gradle文件（应用级别，位于android/app/build.gradle）中添加以下行：

   dependencies {
     implementation project(':RFIDAPI3Library')
   }
   

5. 在AndroidManifest.xml文件中添加以下行：

   xmlns:tools="http://schemas.android.com/tools"
   tools:replace="android:label"
   

6. 设置minSdkVersion为19或更高版本。

7. 完成以上步骤后，你就可以开始使用该插件了。

示例代码

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:zebra_rfid_sdk_plugin/zebra_event_handler.dart';
import 'package:zebra_rfid_sdk_plugin/zebra_rfid_sdk_plugin.dart';

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

class MyApp extends StatefulWidget {
  const MyApp({super.key});

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

class _MyAppState extends State<MyApp> {
  String? _platformVersion = 'Unknown';

  // 存储RFID数据
  Map<String?, RfidData> rfidDatas = {};
  ReaderConnectionStatus connectionStatus = ReaderConnectionStatus.UnConnection;

  // 添加RFID数据
  addDatas(List<RfidData> datas) async {
    for (var item in datas) {
      var data = rfidDatas[item.tagID];
      if (data != null) {
        if (data.count == null) data.count = 0;
        data.count = data.count + 1;
        data.peakRSSI = item.peakRSSI;
        data.relativeDistance = item.relativeDistance;
      } else
        rfidDatas.addAll({item.tagID: item});
    }
    setState(() {});
  }

  // 初始化平台状态
  Future<void> initPlatformState() async {
    String? platformVersion;
    try {
      platformVersion = await ZebraRfidSdkPlugin.platformVersion;
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
        home: Scaffold(
      appBar: AppBar(
        title: Text('Status  ${connectionStatus.index}'),
      ),
      body: Center(
          child: Column(
        children: [
          Text('Running on: $_platformVersion\n'),
          Text('count:${rfidDatas.length.toString()}'),
          const SizedBox(height: 20),
          Row(mainAxisAlignment: MainAxisAlignment.spaceAround, children: [
            ElevatedButton(
              onPressed: () async {
                ZebraRfidSdkPlugin.setEventHandler(ZebraEngineEventHandler(
                  readRfidCallback: (datas) async {
                    addDatas(datas);
                  },
                  errorCallback: (err) {
                    ZebraRfidSdkPlugin.toast(err.errorMessage);
                  },
                  connectionStatusCallback: (status) {
                    setState(() {
                      connectionStatus = status;
                    });
                  },
                ));
                ZebraRfidSdkPlugin.connect();
              },
              child: const Text("read"),
            ),
            ElevatedButton(
              onPressed: () async {
                setState(() {
                  rfidDatas = {};
                });
              },
              child: const Text("clear"),
            ),
            ElevatedButton(
              onPressed: () async {
                ZebraRfidSdkPlugin.disconnect();
              },
              child: const Text("stop"),
            ),
          ]),
          Expanded(
              child: Scrollbar(
            child: ListView.builder(
              itemBuilder: (context, index) {
                var key = rfidDatas.keys.toList()[index];
                return ListTile(title: Text(rfidDatas[key]?.tagID ?? 'null'));
              },
              itemCount: rfidDatas.length,
            ),
          ))
        ],
      )),
    ));
  }
}