title: how to change tab of a tabactivity from an activity started by the tabactivity ? or change current tab
body: <pre><code>public class HMITabActivity extends TabActivity{
   @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          final TabHost tabHost = getTabHost();
          tabHost.addTab(tabHost.newTabSpec("Tasks")
                  .setIndicator("Tasks", getResources().getDrawable(R.drawable.program))
                  .setContent(new Intent(this, Tasks.class)));
  
          tabHost.addTab(tabHost.newTabSpec("HMI")
                  .setIndicator("HMI")
                  .setContent(new Intent(this, HMI.class)));
          tabHost.addTab(tabHost.newTabSpec("Diagnostics")
                  .setIndicator("Diagnostics", getResources().getDrawable(R.drawable.diagnostics))
                  .setContent(new Intent(this, Diagnostics.class)));
          tabHost.addTab(tabHost.newTabSpec("About")
                  .setIndicator("About")
                  .setContent(new Intent(this, Tasks.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)));
          //WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
          //Method[] wmMethods = wifiManager.getClass().getDeclaredMethods();
  
  
      }
  </code></pre>
  
  <p>}</p>
  
  <p>how to change the current tab from any of these sub activities (eg: Diagnostics activity).... ??</p>