title: react-native-fs path not found?
body: <pre><code>import RNFS from 'react-native-fs';
  
  var path = RNFS.DocumentDirectoryPath + '/test.txt';
  RNFS.writeFile(path, 'Lorem ipsum dolor sit amet', 'utf8')
    .then(success =&gt; {
      console.log('FILE WRITTEN!');
    })
    .catch(err =&gt; {
      console.log(err.message);
  });
  
  console.log(RNFS.DocumentDirectoryPath)
  // /data/data/xxx.xxx.xxx/files/
  </code></pre>
  
  <h1>But I didn't find a path/file like <code>/data/xxx.xxx.xxx/files/</code> in the <code>data</code> directory of the mobile phone</h1>
  
  <h1>But the entry in the code exists</h1>
  
  <pre><code>RNFS.readDir(RNFS.DocumentDirectoryPath).then(result =&gt; {
    console.log('DocumentDirectoryPath GOT RESULT', result);
  });
  </code></pre>
  
  <h1>I want to know what is the path of <code>RNFS.DocumentDirectoryPath</code> in the phone?</h1>