cssd/lib/pages/label_detail_screen.dart

import '../models/label_models.dart';
import '../providers/connectivity.dart';
import '../providers/labels.dart';
import '../widgets/Global/internet_error.dart';
import '../widgets/LabelScreens/Detail/datas_box.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

class LabelDetailScreen extends StatefulWidget {
  // static const route = '/LabelDetailScreen';
  // final String testResultId;

  // LabelDetailScreen({this.testResultId});

  @override
  _LabelDetailScreenState createState() => _LabelDetailScreenState();
}

class _LabelDetailScreenState extends State<LabelDetailScreen> {
  bool isEmpty = false;
  bool isInit = true;
  LabelDetailsObject datas;
  @override
  void didChangeDependencies() async {
    if (isInit) {
      var _id = ModalRoute.of(context).settings.arguments;
      await Provider.of<LabelsProvider>(context, listen: false)
          .showLabelResult(_id.toString())
          .then(
        (result) {
          setState(
            () {
              if (result.id == 'null') {
                isEmpty = true;
              }
              datas = result;
              isInit = false;
            },
          );
        },
      );
      // print(datas);
    }
    super.didChangeDependencies();
  }

  @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(
          titleSpacing: -10,
          title: Text('Labels'),
          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'
              ? isInit
                  ? Center(
                      child: CircularProgressIndicator(),
                    )
                  : isEmpty
                      ? Center(
                          child: Text('This Lable doesnt exists!'),
                        )
                      : LabelDetailsDataBox(
                          datas: datas,
                          deviceBlockSize: _deviceBlockSize,
                        )
              : ConnectionErrorBox();
        }),
      ),
    );
  }
}