cloudsolutions-atoms/lib/new_views/pages/land_page/land_page.dart

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:test_sa/extensions/context_extension.dart';
import 'package:test_sa/extensions/int_extensions.dart';
import 'package:test_sa/new_views/app_style/app_color.dart';

import '../../common_widgets/app_drawer.dart';
import 'dashboard_page_indicator.dart';

class LandPage extends StatefulWidget {
  static const String routeName = "/land-page";
  const LandPage({Key key}) : super(key: key);

  @override
  State<LandPage> createState() => _LandPageState();
}

class _LandPageState extends State<LandPage> {
  PageController _controller;
  int _currentPage = 1;

  @override
  void initState() {
    super.initState();
    _controller = PageController()
      ..addListener(() {
        _currentPage = _controller.page.toInt() + 1;
        setState(() {});
      });
  }

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return WillPopScope(
      onWillPop: () async {
        // bool result = await showDialog(
        //   context: context,
        //   builder: (_) => const AAlertDialog(
        //     title: "_subtitle.exit",
        //     content: "_subtitle.exitAlert",
        //   ),
        // );
        if (true) {
          if (Platform.isAndroid) {
            SystemChannels.platform.invokeMethod('SystemNavigator.pop');
          } else {
            exit(0);
          }
        }
        return false;
      },
      child: Scaffold(
        appBar: AppBar(),
        body: Padding(
          padding: EdgeInsets.only(left: 16.toScreenWidth, top: 11.toScreenHeight),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Row(
                children: [
                  DashboardPageIndicator(index: 0, currentPage: _currentPage, controller: _controller),
                  3.width,
                  DashboardPageIndicator(index: 1, currentPage: _currentPage, controller: _controller),
                  3.width,
                  DashboardPageIndicator(index: 2, currentPage: _currentPage, controller: _controller),
                  10.width,
                  Text(
                    "0$_currentPage/03",
                    style: Theme.of(context).textTheme.labelMedium?.copyWith(fontWeight: FontWeight.w500, color: context.isDark ? AppColor.neutral40 : AppColor.neutral60),
                  ),
                ],
              ),
              8.height,
              Expanded(
                child: PageView(
                  controller: _controller,
                  children: const [
                    Center(
                      child: Text('First Page'),
                    ),
                    Center(
                      child: Text('Second Page'),
                    ),
                    Center(
                      child: Text('Third Page'),
                    ),
                  ],
                ),
              ),
            ],
          ),
        ),
        bottomNavigationBar: BottomNavigationBar(
          items: [
            BottomNavigationBarItem(icon: Icon(Icons.add), label: "add"),
            BottomNavigationBarItem(icon: Icon(Icons.add), label: "add"),
            BottomNavigationBarItem(icon: Icon(Icons.add), label: "add"),
          ],
        ),
        drawer: const AppDrawer(),
      ),
    );
  }
}