react-native-thermal-receipt-printer

react-native-thermal-receipt-printer

Fork of react-native-printer and add implement for auto connect printer with usb A React Native Library to support USB/BLE/Net printer

Installation

yarn add react-native-thermal-receipt-printer

Troubleshoot

• when install in react-native version >= 0.60, xcode show this error

duplicate symbols for architecture x86_64

that because the .a library uses CocoaAsyncSocket library and Flipper uses it too

Podfile

...
  use_native_modules!

  # Enables Flipper.
  #
  # Note that if you have use_frameworks! enabled, Flipper will not work and
  # you should disable these next few lines.
  # add_flipper_pods!
  # post_install do |installer|
  #   flipper_post_install(installer)
  # end
...

and comment out code related to Flipper in ios/AppDelegate.m

Support

Predefined tag

Development workflow

To get started with the project, run yarn bootstrap in the root directory to install the required dependencies for each package:

yarn bootstrap

While developing, you can run the example app to test your changes.

To start the packager:

yarn example start

To run the example app on Android:

yarn example dev-android

To run the example app on iOS:

yarn example ios

Usage

import {
  USBPrinter,
  NetPrinter,
  BLEPrinter,
} from "react-native-thermal-receipt-printer";

USBPrinter.printText("sample text");
USBPrinter.printBill("sample bill");

Example

USBPrinter (only support android)

interface IUSBPrinter {
  device_name: string;
  vendor_id: number;
  product_id: number;
}

…

BLEPrinter

interface IBLEPrinter {
  device_name: string;
  inner_mac_address: string;
}

…

NetPrinter

interface INetPrinter {
  device_name: string;
  host: string;
  port: number;
}

Note: get list device for net printers is support scanning in local ip but not recommended

…