Set Person Attributes

public class MyActivity extends Activity {
   public void updatePerson() {
     HashMap<String, String> attributes = new HashMap<String, String>();
     attributes.put("attr1", "val1");
     attributes.put("attr2", "val2");

     new BoomtrainClient(this).setPersonAttributes(attributes, new BoomtrainHandler() {
      public void onSuccess() {

      }
      public void onFailure(Exception e) {

       }
    });
  }
 }