title: flutter how to create folders to store files in internal storage
body: <p>I was struct in a problem that i have to download pdf or images etc from network and store  them in local storage.i am trying path provider plugin with GetApplicationDocumentDirectory its successfully storing files but not showing in device folder. how to create a directory and store files such as images pdfs etc that are visible to users. how could i achieve that.</p>
  
  <p>thanks for help in advance</p>