Flutter音频播放插件pax_player的使用

重要提示

此插件仅在Android上运行！

安装

要将 pax_player 插件添加到您的项目中，请在 pubspec.yaml 文件中执行以下命令：

flutter pub add pax_player

设置minify和shrink

在您的 build.gradle 文件中添加以下行：

buildTypes {
    release {
        .
        .
        .
        minifyEnabled false
        shrinkResources false
    }
}

在AndroidManifest.xml中设置

在您的 AndroidManifest.xml 文件中添加以下行：

<application
...
android:name="pax.plugin.pki.parhamkish.vakili.pax_player.PaxApp"
...
</application>

此插件的功能

• [✅] 获取设备信息 => 使用 getDeviceInfo
• [✅] 获取卡号信息 => 使用 getCardNumber
• [✅] 获取蜂鸣器设备 => 使用 getBeep
• [✅] 启用设备导航栏 => 使用 setEnableNavBar 并设置为 true
• [✅] 获取条形码信息 => 使用 getScanBarcode
• ❌ 获取所有设备信息
• ❌ 调用打印机功能
• ❌ 设备设置
• ❌ 调用所有扫描方法

如果您有Pax终端打印机并需要帮助集成过程，请联系我

• GitHub: Mahmoudmv91
• 邮箱: mahmoudmv1991@gmail.com
• Telegram: Mahmoud_mv

测试设备

• PAX A920

如果您喜欢此插件，请支持我

如果您想支持此插件，您可以 捐赠

示例代码

以下是使用 pax_player 插件的基本示例代码：

import 'dart:ui' as ui;
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:pax_player/pax_player.dart';

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

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

  [@override](/user/override)
  Widget build(BuildContext context) {
    return const MaterialApp(
      title: 'Pax Player Demo',
      debugShowCheckedModeBanner: false,
      home: MainPax(),
    );
  }
}

class MainPax extends StatelessWidget {
  const MainPax({super.key});

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Pax Player'),
      ),
      body: SizedBox(
        width: double.infinity,
        child: Column(
          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            ElevatedButton(
                onPressed: () {
                  Navigator.push(
                      context,
                      MaterialPageRoute(
                          builder: (context) => const SignBarcode()));
                },
                child: const Text('获取条形码')),
            ElevatedButton(
                onPressed: () {
                  Navigator.push(
                      context,
                      MaterialPageRoute(
                          builder: (context) => const SignCard()));
                },
                child: const Text('获取卡号')),
            ElevatedButton(
                onPressed: () {
                  Navigator.push(
                      context,
                      MaterialPageRoute(
                          builder: (context) => const ScanCard()));
                },
                child: const Text('扫描卡号')),
            ElevatedButton(
                onPressed: () {
                  Navigator.push(
                      context,
                      MaterialPageRoute(
                          builder: (context) => const ScanBarcode()));
                },
                child: const Text('扫描条形码')),
          ],
        ),
      ),
    );
  }
}

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

  [@override](/user/override)
  State<SignBarcode> createState() => _SignBarcodeState();
}

class _SignBarcodeState extends State<SignBarcode> {
  printQrCode() async {
    await PaxPlayer().getScanBarcode();
    await PaxPlayer().getBeep(100);
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('获取条形码'),
      ),
      body: Column(
        children: [
          const Text('请输入信息:'),
          ElevatedButton(
              onPressed: () => printQrCode(), child: const Text('获取条形码')),
        ],
      ),
    );
  }
}

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

  [@override](/user/override)
  State<SignCard> createState() => _SignCardState();
}

class _SignCardState extends State<SignCard> {
  String _cardNumber = '请插入卡片';

  Future<void> _getCardNumber() async {
    String? result = await PaxPlayer().getCardNumber();
    if (result != null) {
      setState(() {
        _cardNumber = '操作成功';
      });
    } else {
      setState(() {
        _cardNumber = '操作失败';
      });
    }
    await PaxPlayer().getBeep(100);
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('获取卡号'),
      ),
      body: Column(
        children: [
          const Text('请输入信息:'),
          ElevatedButton(
              onPressed: () {
                _getCardNumber();
              },
              child: const Text('获取卡号')),
          const SizedBox(height: 30),
          Text(_cardNumber),
        ],
      ),
    );
  }
}

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

  [@override](/user/override)
  State<ScanCard> createState() => _ScanCardState();
}

class _ScanCardState extends State<ScanCard> {
  String _cardNumber = '请插入卡片';

  Future<void> _getCardNumber() async {
    String? result = await PaxPlayer().getCardNumber();
    if (result != null) {
      setState(() {
        _cardNumber = '操作成功';
      });
    } else {
      setState(() {
        _cardNumber = '操作失败';
      });
    }
    await PaxPlayer().getBeep(100);
    Future.delayed(const Duration(milliseconds: 500), _getCardNumber);
  }

  [@override](/user/override)
  void initState() {
    WidgetsBinding.instance.addPostFrameCallback((_) async {
      _getCardNumber();
    });
    super.initState();
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('扫描卡片'),
      ),
      body: SizedBox(
        width: double.infinity,
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(_cardNumber),
          ],
        ),
      ),
    );
  }
}

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

  [@override](/user/override)
  State<ScanBarcode> createState() => _ScanBarcodeState();
}

class _ScanBarcodeState extends State<ScanBarcode> {
  String _barcodeData = '请扫描条形码';

  Future<void> _getBarcode() async {
    String? result = await PaxPlayer().getScanBarcode();
    if (result != null) {
      setState(() {
        _barcodeData = '操作成功';
      });
    } else {
      setState(() {
        _barcodeData = '操作失败';
      });
    }
    await PaxPlayer().getBeep(100);
  }

  [@override](/user/override)
  void initState() {
    WidgetsBinding.instance.addPostFrameCallback((_) async {
      _getBarcode();
    });
    super.initState();
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      floatingActionButton: FloatingActionButton(
        onPressed: () => _getBarcode(),
        child: const Icon(Icons.qr_code_scanner_outlined),
      ),
      appBar: AppBar(
        title: const Text('扫描条形码'),
      ),
      body: SizedBox(
        width: double.infinity,
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(_barcodeData),
          ],
        ),
      ),
    );
  }
}