List resultList;
    String error;
    try {
      resultList = await FlutterMultipleImagePicker.pickMultiImages(
          maxImageNo, selectSingleImage);
    } on PlatformException catch (e) {
      error = e.message;
    }
    if (!mounted) return;
     setState(() {
      images = resultList;
//Try to send data or image back to main screen
      // List<int> imageBytes = resultList.readAsBytesSync();
      // String base64Image = BASE64.encode(imageBytes);
//send data back



   Navigator.of(context).push(new PageRouteBuilder(
     pageBuilder: (_, __, ___) => Collage(this.images),));