title: Android: Can't use getIntent
body: <p>I can't use <code>getIntent()</code>..</p>
  
  <p>What else do I need to use <code>getIntent()</code>, What I want to do, is retrieve data from the parent activity. and I have put some values, </p>
  
  <p>Do I need to declare Intent? </p>
  
  <pre><code>getIntent.getExtras().getString("CallerClass");
  </code></pre>