/**
   * Call back from sub-activities.<br>
   * Process Change StartTime (longpress start), Select StopTime before stop (longpress stop) or
   * filter change for detailReport
   */
  @Override
  protected void onActivityResult(
      final int requestCode, final int resultCode, final Intent intent) {
    super.onActivityResult(requestCode, resultCode, intent);

    switch (requestCode) {
      case GalleryFilterActivity.resultID:
        onFilterChanged(GalleryFilterActivity.getFilter(intent));
        break;
    }
  }
 private void openFilter() {
   GalleryFilterActivity.showActivity(this, this.mFilter, null);
 }