what are the essential things that an android developer needs to know?
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/2828185/interview-questions-for-an-android-developer">Interview questions for an Android developer</a>  </p>
</blockquote>



<p>Hi all
what are the essential things that a mid level android developer needs to know..As in things beside the basics of broadcast receiver, Content provider , intent etc.I could not find a good list of interview questions on the internet. Can you guys come up with good interview questions!! </p>
