@mitsuharu/react-native-sunmi-printer-library

React Native module that support for SUNMI mobile printer devices.

devices that test my libarary

• SUNMI V2 PRO
• SUNMI V2s

I test with GMS ¹ enable and developable SUNMI V2 PRO and V2s as follows. Though I do not have other devices, users report to work with V1s and V2.

	Android	SUNMI OS	firmware	storage	memory	NFC
SUNMI V2 PRO	7.1	3.6.23	754	16 GB	2 GB	enable
SUNMI V2 PRO (foodpanda)	7.1	1.0.33	138	8 GB	1 GB	disable
SUNMI V2s	11	3.0.11	242	32 GB	3 GB	enable

Installation

npm install @mitsuharu/react-native-sunmi-printer-library

or

yarn add @mitsuharu/react-native-sunmi-printer-library

Usage

You see example directory for details.

prepare

import * as SunmiPrinterLibrary from '@mitsuharu/react-native-sunmi-printer-library'

try {
    await SunmiPrinterLibrary.prepare()
} catch (error: any) {
    console.warn("This device is not supported.")
}

print Text

await SunmiPrinterLibrary.printText('Hello World')

OR

SunmiPrinterLibrary.printText('Hello World')

change style

await SunmiPrinterLibrary.setAlignment('center')
await SunmiPrinterLibrary.setTextStyle('bold', true)
await SunmiPrinterLibrary.setParagraphStyle('textRightSpacing', 5)
await SunmiPrinterLibrary.setFontSize(32)
await SunmiPrinterLibrary.printText('Hello World')

print Image (Base64)

const base64 = 'data:image/png;base64,iVBORw0KGgoAAAA...'
await SunmiPrinterLibrary.printImage(base64, 384, 'binary')
await SunmiPrinterLibrary.printImage(base64, 384, 'grayscale')

print QR code

await SunmiPrinterLibrary.printQRCode('Hello World', 8, 'middle')

scan QR code

const result = await SunmiPrinterLibrary.scan()

OR

SunmiPrinterLibrary.scan()

useEffect(() => {
   DeviceEventEmitter.addListener(
      SunmiPrinterLibrary.EventType.onScanSuccess,
      (message) => {
        console.log(`[onScanSuccess] ${message}`)
      })
   DeviceEventEmitter.addListener(
      SunmiPrinterLibrary.EventType.onScanFailed, 
      (message) => {
        console.log(`[onScanFailed] ${message}`)
      })
   return () => {
      DeviceEventEmitter.removeAllListeners(SunmiPrinterLibrary.EventType.onScanSuccess)
      DeviceEventEmitter.removeAllListeners(SunmiPrinterLibrary.EventType.onScanFailed)
    }
}, [])

not support

• Transaction Print API
• Cash Drawer API
• Black Mark Print API

Contributing

See the contributing guide to learn how to contribute to the repository and the development workflow.

Develop

yarn
yarn example android

License

MIT

---

Made with create-react-native-library

Footnotes

1. Google Mobile Services https://www.android.com/gms ↩