title: How can I access a view of an activity from another activity
body: <p>I need to hide the tabs of a TabHost from a child activity. I tried <code>getParent()</code> and it didnt work</p>
  
  <p>Also tried :</p>
  
  <pre><code>TabHost th = (TabHost) ((TabsActivity)getBaseContext()).findViewById(android.R.id.tabhost);
          th.setVisibility(View.INVISIBLE);
  </code></pre>
  
  <p>But it throws a nullpointer</p>