title: Android - Where should we save username and password in device memory?
body: <p>What is a good practice to save username and password on device?</p>
  <p>I have gone through many answers on StackOverflow and now i am bit confused.</p>
  <p>I am working on an email app and i want my user to feel absolutely safe while using it.</p>
  <p>Some people suggest that we should encrypt it and save it in <code>SharedPreference</code>. Some suggest we shouldn't save it on device at all.</p>
  <p>I just want user's details to be stored at safest place possible.</p>
  <p>Any help, suggestions would be highly appreciated.</p>