flutter_sunmi_printer_plus 0.0.1

This plugin for Sunmi devices where you can print text, image, table, barcode and QR code.

flutter_sunmi_printer_plus

This is plugin inspired by SunmiPrinterDemo

Platform Support

This plugin works only on android

Usage

To use this plugin, add flutter_sunmi_printer_plus as a dependency in your pubspec.yaml file

What this package do

• ✅ Print text with style (font size,bold or not,alignment,..)
• ✅ Print image (you can set alignment)
• ✅ Print table
• ✅ Print qrcode (with stye)
• ✅ Print barcode(with style)
• ✅ Jump n-lines
• ✅ Cut paper

Example

Import the library.

import 'package:flutter_sunmi_printer_plus/flutter_sunmi_printer_plus.dart';

Then invoke the static initPrinter method to initiate sunmi printer .

  @override
  void initState() {
    super.initState();
    Future.delayed(Duration.zero, () async {
      try {
        isConnected = await SunmiPrinter.initPrinter() ?? false;
        setState(() {});
      } catch (err) {
        errorMessage = err.toString();
      }
      setState(() {});
    });
  }

Print text

      await SunmiPrinter.printText(
                          content: "Test String",
                          style: SunmiStyle(
                              fontSize: 20,
                              isUnderLine: true,
                              bold: false,
                              align: SunmiPrintAlign.LEFT));

Print image

 await SunmiPrinter.printImage(image: bytes, align: SunmiPrintAlign.CENTER); // bytes as Uint8List

Print table

 await SunmiPrinter.printTable(cols: [
                  ColumnMaker(text:"test#1" ,align:SunmiPrintAlign.LEFT ,width:5),
                   ColumnMaker(text:"test#2" ,align:SunmiPrintAlign.LEFT ,width: 5),
                ]);  

Print barcode

await SunmiPrinter.printBarCode(data: "1234567890",height: 50,width: 2,textPosition: SunmiBarcodeTextPos.TEXT_UNDER,barcodeType:SunmiBarcodeType.CODE128,align:SunmiPrintAlign.CENTER );   

Print qrcode

await SunmiPrinter.printQr(data: "https://twitter.com/wojoodtech",align:SunmiPrintAlign.CENTER,size: 5);          

See the main.dart in the example for a complete example.