title: how to upload image or pdf file with form-data in react-native?
body: <p>i found some libraries but i am not sure which one is suitable and stable for me.</p>
  
  <p>i am implementing like email attachment with form-data.</p>
  
  <p>Choose uploading files from gallery or file Manage on Android device and upload to server. </p>
  
  <p>could you recommend nice library? thank you !</p>
  
  <p><strong>what i have found</strong></p>
  
  <p><a href="https://github.com/kaancelen/react-native-nononsense-file-picker" rel="nofollow noreferrer">https://github.com/kaancelen/react-native-nononsense-file-picker</a></p>
  
  <p><a href="https://github.com/Elyx0/react-native-document-picker" rel="nofollow noreferrer">https://github.com/Elyx0/react-native-document-picker</a></p>
  
  <p><a href="https://github.com/farmisen/react-native-file-uploader" rel="nofollow noreferrer">https://github.com/farmisen/react-native-file-uploader</a></p>
  
  <p><a href="https://github.com/huangzuizui/react-native-file-opener" rel="nofollow noreferrer">https://github.com/huangzuizui/react-native-file-opener</a></p>
  
  <p>and so on..</p>