cssd/lib/pages/home_screen.dart

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

import './my_info_screen.dart';
import '../providers/auth.dart';
import '../providers/connectivity.dart';
import '../widgets/Global/drawer.dart';
import '../widgets/Global/internet_error.dart';
import 'cycle_result_screen.dart';
import 'label_result_screen.dart';
import 'test_result_screen.dart';
import 'test_verify_screen.dart';

class HomePage extends StatelessWidget {
  // 09338736511

  // static const route = '/HomeScreen';
  @override
  Widget build(BuildContext context) {
    final userData = Provider.of<Auth>(context,listen: false).user;
    // print(userData['roles']);
    return Scaffold(
      resizeToAvoidBottomPadding: false,
      drawer: Selector<ConnectivityProvider, String>(
        builder: (ctx, value, _) =>
            value != 'offline' ? AppDrawer() : Container(),
        selector: (_, connctivity) => connctivity.conStatus,
      )
      // Consumer<ConnectivityProvider>(builder: (ct, connection, _) {
      //   return connection.conStatus != 'offline' ? AppDrawer() : Container();
      // })
      ,
      appBar: AppBar(
        centerTitle: true,
        title: Text('CSSD'),
        actions: <Widget>[
          Padding(
            padding: const EdgeInsets.only(right: 10.0),
            child: IconButton(
              icon: Icon(
                Icons.power_settings_new,
              ),
              onPressed: () {
                showDialog(
                  context: context,
                  builder: (ctx) => AlertDialog(
                    title: Text('LogOut'),
                    content: Text('Are you sure for logout?'),
                    actions: <Widget>[
                      FlatButton(
                        child: Text('Yes'),
                        onPressed: () {
                          Navigator.of(ctx).pop();
                          Provider.of<Auth>(context).logout();
                          Phoenix.rebirth(context);
                        },
                      ),
                      FlatButton(
                        child: Text('No'),
                        onPressed: () {
                          Navigator.of(ctx).pop();
                        },
                      ),
                    ],
                  ),
                );
              },
            ),
          )
        ],
      ),
      body: Consumer<ConnectivityProvider>(
        builder: (ct, connection, _) {
          return connection.conStatus != 'offline'
              ? DoubleBackToCloseApp(
                  snackBar: SnackBar(
                    duration: Duration(seconds: 2),
                    backgroundColor: Colors.black,
                    content: Text(
                      'Double tap for exit . . .',
                      style: TextStyle(color: Colors.white),
                    ),
                  ),
                  child: Container(
                    margin: EdgeInsets.only(
                        top: 0, bottom: 10, left: 20, right: 20),
                    child: ListView(
                      // crossAxisAlignment: CrossAxisAlignment.start,
                      children: <Widget>[
                        Container(
                          margin: EdgeInsets.only(top: 20, bottom: 10),
                          child: Text(
                            'WELCOME HOME',
                            style: TextStyle(
                              color: Colors.black,
                              fontSize: 20,
                              letterSpacing: 3.5,
                              fontWeight: FontWeight.w700,
                            ),
                          ),
                        ),
                        SelectionItem(
                          startColor: Color(0xFFFCB8A2),
                          endColor: Color(0xFFFFECD2),
                          firstLine: 'My INFO',
                          secondLine: 'List, Details & Add a one',
                          onTap: Consumer<Auth>(
                            builder: (ctx, auth, _) {
                              return MyInfoScreen();
                            },
                          ),
                        ),
                        SelectionItem(
                            startColor: Color(0xFFD5F5FD),
                            endColor: Color(0xFFE9FFF7),
                            firstLine: 'TEST RESULTS',
                            secondLine: 'List, Details & Add a one',
                            onTap: TestResultScreen()
                            // MyTestResult(
                            //   isAdmin: false,
                            // ),
                            ),
                        SelectionItem(
                          startColor: Color(0xFFE2D2C4),
                          endColor: Color(0xFFFAF7F5),
                          firstLine: 'LABELS',
                          secondLine: 'List, Details & Add a one',
                          onTap: LabelResultScreen(),
                        ),
                        SelectionItem(
                          startColor: Color(0xFFA7CCE1),
                          endColor: Color(0xFFECF7ED),
                          firstLine: 'CYCLES',
                          secondLine: 'List, Details & Add a one',
                          onTap: CycleResultScreen(),
                        ),
                        // SelectionItem(
                        //   startColor: Color(0xFFA7CCE1),
                        //   endColor: Color(0xFFECF7ED),
                        //   firstLine: 'image',
                        //   secondLine: 'image',
                        //   onTap: CaptureImage(),
                        // ),
                        userData['roles'].contains('User')
                            ? Container()
                            : SelectionItem(
                                startColor: Color(0xFFA7CCE1),
                                endColor: Color(0xFFECF7ED),
                                firstLine: 'TEST TO VERIFY',
                                secondLine: 'List, Details & Add a one',
                                onTap: TestVerifyScreen(),
                              ),
                      ],
                    ),
                  ),
                )
              : ConnectionErrorBox();
        },
      ),
    );
  }
}

class SelectionItem extends StatelessWidget {
  final Color startColor;
  final Color endColor;
  final String firstLine;
  final String secondLine;
  final Widget onTap;

  SelectionItem(
      {this.startColor,
      this.endColor,
      this.firstLine,
      this.secondLine,
      this.onTap});

  @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 Container(
      margin: EdgeInsets.symmetric(vertical: 10),
      padding: EdgeInsets.symmetric(vertical: 5),
      decoration: BoxDecoration(
        gradient: LinearGradient(
          colors: [startColor, endColor],
        ),
        borderRadius: BorderRadius.all(
          Radius.circular(3),
        ),
      ),
      child: InkWell(
        splashColor: Colors.red,
        onTap: () {
          Navigator.push(
            context,
            MaterialPageRoute(
              builder: (context) {
                return onTap;
              },
            ),
          );
        },
        child: ListTile(
          title: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            mainAxisSize: MainAxisSize.min,
            children: <Widget>[
              Text(
                firstLine,
                style: TextStyle(
                  color: Colors.black,
                  fontSize: 5 * _deviceBlockSize,
                  letterSpacing: 3.5,
                ),
              ),
              Text(
                secondLine,
                style: TextStyle(
                  color: Colors.grey,
                  fontSize: 3.5 * _deviceBlockSize,
                ),
              ),
            ],
          ),
          trailing: Icon(
            Icons.arrow_forward_ios,
            color: Colors.black,
          ),
        ),
        // Column(
        //   children: <Widget>[
        //     ListTile(
        //       title: Text(
        //         firstLine,
        //         textAlign: TextAlign.start,
        //         style: TextStyle(color: Colors.black),
        //       ),
        //     ),
        //     ListTile(
        //       title: Text(
        //         secondLine,
        //         style: TextStyle(color: Colors.black, fontSize: 20),
        //       ),
        //       trailing: Icon(
        //         Icons.arrow_forward_ios,
        //         color: Colors.black,
        //       ),
        //     ),
        //   ],
        // ),
      ),
    );
  }
}