SomeActivity.java

//... imports and pacakge declarations

public class SomeActivity extends Activity implements Session.Listener {

  Session mSession;
  ViewGroup mPublisherViewContainer;

  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.some_activity);
    mPublisherViewContainer = (ViewGroup) findViewById(R.id.publisherview);
    sessionConnect();
  }
  
  private void sessionConnect() {
    mSession = Session.newInstance(this, "SESSION_ID", this);
    mSession.connect("API_KEY", "TOKEN");
  }
  
  public void onSessionConnected() {
    mPublisher = Publisher.newInstance(this, this, "publisher");
    mPublisherViewContainer.addView(mPublisher.getView());
    mSession.publish(mPublisher);
  }
  
  // ... other required activity lifecycle methods
}