react-native-pos-printer

react native module for printing receipt on pos printer.

For now it's only support for android

Prerequisites

You must install the following library to your react native project

1. RNFetchBlob (optional) if you want to print with image

Getting started

$ npm install react-native-pos-printer --save

$3

$ react-native link react-native-pos-printer

$3

#### iOS

Still not supported yet

#### Android

1. Open up android/app/src/main/java/[...]/MainActivity.java
- Add import com.reactlibrary.RNPosPrinterPackage; to the imports at the top of the file
- Add new RNPosPrinterPackage() to the list returned by the getPackages() method
2. Append the following lines to android/settings.gradle:
``
include ':react-native-pos-printer'
project(':react-native-pos-printer').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-pos-printer/android')
`
3. Insert the following lines inside the dependencies block in android/app/build.gradle:
`
compile project(':react-native-pos-printer')
`

Usage


`javascript
import RNPosPrinter from 'react-native-pos-printer';
`

$3

For the first time need to initialize the pos printer, the return will be Promise
`javascript
RNPosPrinter.init(true);
`
#### Option
`javascript
isDebug: boolean //default false
`

$3

To get all printer devices you just need to call this one, the return will be Promise
`javascript
RNPosPrinter.getDevices()
`

$3

To scan all devices printer, the return will be Promise
`javascript
RNPosPrinter.scanDevices(callback);
`
#### Option
`javascript
callback: Callback
`

$3

To stop scanning all devices printer, the return will be Promise
`javascript
RNPosPrinter.stopScanDevices();
`

$3

To connect to specific pos printer, the return will be Promise
`javascript
RNPosPrinter.connectDevice(deviceId, timeout);
`
#### Option
`javascript
deviceId: string
timeout: number //default 30000 ms
`

$3

To connect and automatically print on specific pos printer, the return will be Promise
`javascript
RNPosPrinter.connectAndPrintReceipt(deviceId);
`
#### Option
`javascript
deviceId: string
`

$3

To print on pos printer
`javascript
RNPosPrinter.printTestReceipt(storageUrl);
`
#### Option
`javascript
storageUrl: string //optional, if want to print image
`

$3

If you want to use directly the printer command you can access on
`javascript
RNPosPrinter.printerModule
``