nfc-react-native

NfcReactNative

nfc-react-native is a react-native module for android to write/read Mifare Classic (NFC) tags.

Getting started

$ npm install nfc-react-native --save

Mostly automatic installation

$ react-native link nfc-react-native

Manual installation

Android

1. Open up android/app/src/main/java/[...]/MainActivity.java

• Add import es.tiarg.nfcreactnative.NfcReactNativePackage; to the imports at the top of the file
• Add new NfcReactNativePackage() to the list returned by the getPackages() method

1. Append the following lines to android/settings.gradle:

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

2. Insert the following lines inside the dependencies block in android/app/build.gradle:

     compile project(':nfc-react-native')
   

Usage

import {readTag, writeTag} from 'nfc-react-native'

...
  componentWillMount() {  
  			 //content                          sector block key
    writeTag('12341234123412341234123412341234', 1, 0, 'FFFFFFFFFFFF').then((r) => {
																	       console.log('from promise')
																	       console.log(r)
			//sector block key														   }) 
    readTag(1, 0, 'FFFFFFFFFFFF').then((r) => {
	                                  console.log('from promise')
	                                  console.log(r)
                                 })
  }
...

Configuration

In your manifest add:

<uses-permission android:name="android.permission.NFC" />
....

Your main activity should look like

...
<activity
	android:name=".MainActivity"
	android:launchMode="singleTask"
	android:label="@string/app_name"
	android:configChanges="keyboard|keyboardHidden|orientation|screenSize">

	<intent-filter>
	  <action android:name="android.nfc.action.TECH_DISCOVERED"/>
	</intent-filter>

	<meta-data android:name="android.nfc.action.TECH_DISCOVERED"
	           android:resource="@xml/nfc_tech_filter" />
</activity>

Add a xml file in res folder with the following:

<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
  <tech-list>
    <tech>android.nfc.tech.MifareClassic</tech>
  </tech-list>
</resources>

Contribution

Contributions are welcome :raised_hands:

License

This repository is distributed under MIT license