lorenzomilesi/react-native-print

Print documents using React Native

react-native-print

Print documents using React Native.

Installation

Run npm install react-native-print --save

Add it to your project

Automatic

Run react-native link

Manual

iOS

1. Open your project in XCode, right click on Libraries and select Add Files to "Your Project Name.
2. Choose the file node_modules/react-native-print/RNPrint.xcodeproj
3. Go to Project Manager tab and click on your project's name. Select the name of the target and click on Build Phases
4. Add libRNPrint.a to Link Binary With Libraries (Screenshot).

Android

• Edit android/settings.gradle to included

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

• Edit android/app/build.gradle file to include

dependencies {
  ....
  compile project(':react-native-print')

}

• Edit MainApplication.java to include

// import the package
import com.christopherdro.RNPrint.RNPrintPackage;

// include package
new MainReactPackage(),
new RNPrintPackage(),

Usage

/**
 * Sample React Native App
 * https://github.com/facebook/react-native
 * @flow
 */

import React, { Component } from 'react';
import {
  AppRegistry,
  Button,
  StyleSheet,
  NativeModules,
  Platform,
  Text,
  View
} from 'react-native';


import RNHTMLtoPDF from 'react-native-html-to-pdf';
import RNPrint from 'react-native-print';

export default class RNPrintExample extends Component {
  state = {
    selectedPrinter: null
  }

  // @NOTE iOS Only
  selectPrinter = async () => {
    const selectedPrinter = await RNPrint.selectPrinter()
    this.setState({ selectedPrinter })
  }

  // @NOTE iOS Only
  silentPrint = async () => {
    if (!this.state.selectedPrinter) {
      alert('Must Select Printer First')
    }

    const jobName = await RNPrint.print({
      printerURL: this.state.selectedPrinter.url,
      html: '<h1>Silent Print</h1>'
    })

  }

  async printHTML() {
    await RNPrint.print({
      html: '<h1>Heading 1</h1><h2>Heading 2</h2><h3>Heading 3</h3>'
    })
  }

  async printPDF() {
    const results = await RNHTMLtoPDF.convert({
      html: '<h1>Custom converted PDF Document</h1>',
      fileName: 'test',
      base64: true,
    })

    await RNPrint.print({ filePath: results.filePath })
  }

  async printRemotePDF() {
    await RNPrint.print({ filePath: 'https://graduateland.com/api/v2/users/jesper/cv' })
  }

  customOptions = () => {
    return (
      <View>
        {this.state.selectedPrinter &&
          <View>
            <Text>{`Selected Printer Name: ${this.state.selectedPrinter.name}`}</Text>
            <Text>{`Selected Printer URI: ${this.state.selectedPrinter.url}`}</Text>
          </View>
        }
      <Button onPress={this.selectPrinter} title="Select Printer" />
      <Button onPress={this.silentPrint} title="Silent Print" />
    </View>

    )
  }

  render() {
    return (
      <View style={styles.container}>
        {Platform.OS === 'ios' && this.customOptions()}
        <Button onPress={this.printHTML} title="Print HTML" />
        <Button onPress={this.printPDF} title="Print PDF" />
        <Button onPress={this.printRemotePDF} title="Print Remote PDF" />
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
    backgroundColor: '#F5FCFF',
  },
});

Methods

print(options: Object)

Param	Type	Note
html	string	HTML string to print
fileName	string	Custom Filename excluding .pdf extension or remote file url NOTE: iOS only supports https protocols
printerURL	string	iOS Only: URL returned from selectPrinterMethod()
isLandscape	bool	Landscape print; default value is false

selectPrinter()

iOS Only: Prompt UI for user to select printer for silent printing