title: Applying navigation drawer throughout the app in Android?
body: <p>I had an app which was developed 2 years back, now I want to add navigation drawer to that app, but the problem is in that app there are 15 Activities, so do I need to apply the Navigation drawer for all 15 Activities? or is there best way to implement this.?
  The navigation drawer items are common for whole app.
  Can anyone suggest me the best way to implement this.</p>