title: Do I need to 'keep' Parcelable in proguard rules while obfuscating
body: <p>My Project has few classes that extends <a href="http://developer.android.com/reference/android/os/Parcelable.html" rel="noreferrer">Parcelable</a>.
  Do I need to 'keep' them in proguard rules while obfuscating.</p>
  
  <p>What is the general practice for parcelables?</p>