public void setLivePreview(LivePreview livePreview) {
    if (myLivePreview != null) {
      myLivePreview.dispose();
      myLivePreview.setDelegate(null);
    }
    myLivePreview = livePreview;
    if (myLivePreview != null) {
      myLivePreview.setDelegate(this);
    }
  }
public void setLivePreview(LivePreview livePreview)