title: Android email attachment all pictures in a folder
body: <p>This code attaches a specific picture in a folder :</p>
  
  <pre><code>File dir = Environment.getExternalStorageDirectory();  
  File file = new File(dir.getAbsolutePath()+ "/pictures/test.jpg");
  m.addAttachment(file.toString());
  m.send();
  </code></pre>
  
  <p>But i want my application attaches all photos are in a folder without specifying their name. Is it possible ?</p>