sunmi_printer_plus

This is a fork from sunmi_printer , but i implemented a lot of other features described below

Important:

Installation

flutter pub add sunmi_printer_plus

What this package do

Tested Devices

Sunmi V2 Pro 
Sunmi T2 mini
Sunmi V2S

You can also combine this package with the package esc_pos_utils

// import packages
import 'package:sunmi_printer_plus/sunmi_printer_plus.dart';
// all method from sunmi printer need to async await
await SunmiPrinter.bindingPrinter(); // must bind the printer first. for more exmaple.. pls refer to example tab.

Example code when use for transaction printing

 await SunmiPrinter.startTransactionPrint(true);
 await SunmiPrinter.setAlignment(SunmiPrintAlign.RIGHT); // Right align
 await SunmiPrinter.printText('Align right');
 await SunmiPrinter.setAlignment(SunmiPrintAlign.LEFT);// Left align
 await SunmiPrinter.printText('Align left');
 await SunmiPrinter.setAlignment(SunmiPrintAlign.CENTER);// Center align
 await SunmiPrinter.printText('Align center');
 await SunmiPrinter.lineWrap(2); // Jump 2 lines
 await SunmiPrinter.setFontSize(SunmiFontSize.XL); // Set font to very large
 await SunmiPrinter.printText('Very Large font!');
 await SunmiPrinter.resetFontSize(); // Reset font to medium size
 await SunmiPrinter.setCustomFontSize(12); // SET CUSTOM FONT 12
 await SunmiPrinter.printText('Custom font size!!!');
 await SunmiPrinter.resetFontSize(); // Reset font to medium size
 await SunmiPrinter.printQRCode('https://github.com/brasizza/sunmi_printer'); // PRINT A QRCODE
 await SunmiPrinter.submitTransactionPrint(); // SUBMIT and cut paper
 await SunmiPrinter.exitTransactionPrint(true); // Close the transaction

Example code for LCD functions @ytyng

 await SunmiPrinter.lcdInitialize(); //Initialize the LCD 
 await SunmiPrinter.lcdWakeup(); //Turn the LCD ON
 await SunmiPrinter.lcdSleep(); //Turn the LCD OFF
 await SunmiPrinter.lcdClear(); //Clear LCD screen
 await SunmiPrinter.lcdString('Hello'); //Write a simple line 
 await SunmiPrinter.lcdString('Hello'); //Write a simple line 
 await SunmiPrinter.lcdDoubleString('Hello', 'World'); //Write two lines
 Uint8List byte = await readFileBytes('assets/images/128x40.png');
 await SunmiPrinter.lcdImage(byte); // Put an image in LCD
 await SunmiPrinter.lcdFillString('abcDEFgj0123\$&=+', size: 16, fill: true); // Print a string and fill with zeros until the size is reached
 await SunmiPrinter.lcdMultiString([ 'Welcome to flutter.', 'Align 2.',], [ 1, 2,]); // Write multiple lines with alignent

Example to open the cashier @ZheruiL

 bool await SunmiPrinter.drawerStatus(); //check if the cash drawer is connect or disconnect
 await SunmiPrinter.openDrawer(); //open de cash drawer
 int await SunmiPrinter.drawerTimesOpen(); //How many times de cash drawer was oppened

List of enum printer mode

enum PrinterMode {
 NORMAL_MODE,
 BLACK_LABEL_MODE, 
 LABEL_MODE
}

List of enum Alignments

enum SunmiPrintAlign {
 LEFT,
 CENTER,
 RIGHT,
}

List of enum Qrcode levels

enum SunmiQrcodeLevel {
 LEVEL_L,
 LEVEL_M,
 LEVEL_Q,
 LEVEL_H,
}

List of enum Barcode types

enum SunmiBarcodeType {
 UPCA,
 UPCE,
 JAN13,
 JAN8,
 CODE39,
 ITF,
 CODABAR,
 CODE93,
 CODE128,
}

List of enum Text position in barcode

enum SunmiBarcodeTextPos {
 NO_TEXT,
 TEXT_ABOVE,
 TEXT_UNDER,
 BOTH,
}

List of enum Font sizes

enum SunmiFontSize {
 XS,
 SM,
 MD,
 LG,
 XL,
}