title: Best way to store pdf files in android
body: <p>IN our application we are getting byte array from server if login gets success. We are converting those byte array into PDF format and storing those files into DB which using internal memory.If files are in KB , application works properly but of files size get increase  in MB then application gives out of memory error.Please tell me how to handle this scenario?How to store files into SD card to maintain security also.It should not visible to outside user.
  Please do help.</p>
  
  <p>Thanks,
  AA.</p>