react-native-sunmi-inner-printer

http://docs.sunmi.com/htmls/index.html?lang=zh##V1文档资源根据商米V1文档开发打印接口 (React native plugin Referring the sunmi V1 printer document and demos)

Caution: this is not the official project. I share it because I am working on this device but no any official support in react-native It's welcome to ask any question about the usage,problems or feature required, I will support ASAP.

Offical Demos plz refer: https://github.com/shangmisunmi/SunmiPrinterDemo

for scanner, refer this: https://github.com/januslo/react-native-sunmi-inner-scanner

Installation:

Step 1.

install with npm: Check in NPM

npm install react-native-sunmi-inner-printer --save

or you may need to install via the clone address directly:

npm install https://github.com/januslo/react-native-sunmi-inner-printer.git --save

Step 2:

Links this plugin to your project.

react-native link react-native-sunmi-inner-printer

or you may need to link manually

modify settings.gradle

include ':react-native-sunmi-inner-printer'
project(':react-native-sunmi-inner-printer').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-sunmi-inner-printer/android')

modify app/build.gradle,add dependenceie：

compile project(':react-native-sunmi-inner-printer')

adds package references to MainPackage.java

import com.sunmi.innerprinter.SunmiInnerPrinterPackage;
...

 @Override
    protected List<ReactPackage> getPackages() {
      return Arrays.<ReactPackage>asList(
          new MainReactPackage(),
            new SunmiInnerPrinterPackage()
      );
    }

Step 3:

refer in the javascript:

import SunmiInnerPrinter from 'react-native-sunmi-inner-printer';

Usage & Demo:

See examples folder of the source code that you can find a simple example of printing receipt. // TODO

API

Constants

Name	Description
Constants	打印状态常量
hasPrinter	boolean,是否有打印机
printerVersion	打印机固件版本
printerSerialNo	打印机序列号
printerModal	打印机型号

Printer Status

Name	Description
OUT_OF_PAPER_ACTION	缺纸异常
ERROR_ACTION	打印错误
NORMAL_ACTION	可以打印
COVER_OPEN_ACTION	开盖子
COVER_ERROR_ACTION	关盖子异常
KNIFE_ERROR_1_ACTION	切刀异常1－卡切刀
KNIFE_ERROR_2_ACTION	切刀异常2－切刀修复
OVER_HEATING_ACITON	打印头过热异常
FIRMWARE_UPDATING_ACITON	打印机固件开始升级

Example

import React, { Component } from 'react';
import { View, Text, DeviceEventEmitter } from 'react-native';
import SunmiInnerPrinter from 'react-native-sunmi-inner-printer';

class PrinterComponent extends Component {
    componentWillMount() {
        this._printerStatusListener = DeviceEventEmitter.addListener('PrinterStatus', action => {
            switch(action) {
                case SunmiInnerPrinter.Constants.NORMAL_ACTION:   // 可以打印
                    // your code
                    break;
                case SunmiInnerPrinter.Constants.OUT_OF_PAPER_ACTION:  // 缺纸异常
                    // your code
                    break;
                case SunmiInnerPrinter.Constants.COVER_OPEN_ACTION:   // 开盖子
                    // your code
                    break;
                default:
                    // your code
            }
        });
    }
    
    componentWillUnmount() {
        this._printerStatusListener.remove();
    }

    render() {
        return (
            <View>
                <Text>Hello World!</Text>
            </View>
        )
    }
}