$ npm install react-native-rfid-tsl --save

$ react-native link react-native-rfid-tsl

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

• Add import com.yaoweili.tsl.rfid.RNRfidTslPackage; to the imports at the top of the file
• Add new RNRfidTslPackage() to the list returned by the getPackages() method

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

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

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

     compile project(':react-native-rfid-tsl')
   

import RNRfidTsl from 'react-native-rfid-tsl';

// TODO: What to do with the module?
RNRfidTsl;