code: public Intent build() {
          Intent filePicker = new Intent(mContext, useMaterial ? FilePicker.class : FilePickerActivity.class);
          filePicker.putExtra(FilePicker.SCOPE, mScope);
          filePicker.putExtra(FilePicker.REQUEST, requestCode);
          filePicker.putExtra(FilePicker.INTENT_EXTRA_COLOR_ID, color);
          filePicker.putExtra(FilePicker.MIME_TYPE, mimeType);
          return filePicker;
      }
docs: Build the current intent.
  
  @return a filepicker intent.