title: How run a native android Activity using titanium module?
body: <p>I need to call a custom activity that is written in android in titanium studio. 
  How should I run this code in accelerator?</p>
  
  <p>The module code is this :</p>
  
  <pre><code>ChoosePDFActivity cpa = new ChoosePDFActivity();
  
  Intent intent = new Intent(); 
  intent.setClassName("com.pdfreader.my", "com.artifex.mupdf.MuPDFActivity");
  Activity activity = TiApplication.getAppRootOrCurrentActivity();
  
  activity.startActivity(cpa.showPDF());
  </code></pre>
  
  <p>Tiapp setting is :</p>
  
  <pre><code>&lt;modules&gt;
     &lt;module platform="android"&gt;com.pdfreader.my&lt;/module&gt;      
  &lt;/modules&gt;
  </code></pre>
  
  <p>and titanium code is :</p>
  
  <pre><code>var sample_module = require('com.pdfreader.my');
  sample_module.example()
  </code></pre>
  
  <p>Nothing happen whenever i run my code? if i return a string i can show it in my titanium but i cannot run activity, can anyone help me?
  thanks</p>