cssd/lib/pages/label_scan_screen.dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

import '../providers/connectivity.dart';
import '../widgets/Global/internet_error.dart';
import '../widgets/LabelScreens/Scan/input_box.dart';
import '../widgets/LabelScreens/Scan/save_button.dart';
import '../widgets/LabelScreens/Scan/scan_box.dart';
// import 'package:flutter/services.dart';
// import 'package:barcode_scan2/barcode_scan2.dart';

class LabelScanScreen extends StatefulWidget {
  // static const route = '/LabelScanScreen';
  @override
  State<StatefulWidget> createState() {
    return _LabelScanScreenState();
  }
}

class _LabelScanScreenState extends State<LabelScanScreen> {
  String testCode = "";
  TextEditingController idCTRL = new TextEditingController();
  final _form = GlobalKey<FormState>();

  @override
  Widget build(BuildContext context) {
    final _media = MediaQuery.of(context);
    // final double _pixelRatio = (_media.size.height / _media.size.width * 7 / 5);
    final double _devicewidth = _media.size.width;
    final double _deviceBlockSize = _devicewidth / 100;
    return SafeArea(
      child: Scaffold(
        appBar: AppBar(
          centerTitle: true,
          titleSpacing: -10,
          title: Text('CSSD'),
          leading: IconButton(
            icon: Icon(
              Icons.keyboard_arrow_left,
              size: 35,
            ),
            onPressed: () => Navigator.of(context).pop(),
          ),
        ),
        body: Consumer<ConnectivityProvider>(
          builder: (ct, connection, _) {
            return connection.conStatus != 'offline'
                ? ListView(
                    padding: EdgeInsets.symmetric(horizontal: 20),
                    children: <Widget>[
                      Container(
                        padding: EdgeInsets.only(top: 30),
                        child: Text(
                          'LOOKING FOR A Label?',
                          textAlign: TextAlign.left,
                          style: TextStyle(
                            color: Colors.black,
                            fontSize: 5.5 * _deviceBlockSize,
                            fontWeight: FontWeight.w700,
                            letterSpacing: 3,
                          ),
                        ),
                      ),
                      LabelScanBox(),
                      Form(
                        key: _form,
                        child: LabelScanInputBox(
                            idCTRL: idCTRL, deviceBlockSize: _deviceBlockSize),
                      ),
                      SizedBox(
                        height: 40,
                      ),
                      Divider(
                        color: Colors.black,
                        thickness: 3,
                      ),
                      SizedBox(
                        height: 30,
                      ),
                      FilterScanSaveButton(
                        form: _form,
                        idCTRL: idCTRL,
                        deviceBlockSize: _deviceBlockSize,
                      ),
                    ],
                  )
                : ConnectionErrorBox();
          },
        ),
      ),
    );
  }
}