title: How to include '.jar' files in the React-native for Android?
body: <p>My English is poor.  </p>
  
  <p>I'm a FRONT-END developer.  </p>
  
  <p>Now we need an App can use Bluetooth Printer, coding with React-Native for Android.  </p>
  
  <p>The Printer's manufacturer provided a SDK file,extension is 'jar'. </p>
  
  <p>Please tell me how to use this SDK in the React-Native? then how to import in the JSX files?</p>