Current File : /home/tradevaly/www/fresh/lib/view/screens/onboarding/on_boarding_screen.dart

import 'package:flutter/material.dart';
import 'package:flutter_grocery/helper/route_helper.dart';
import 'package:flutter_grocery/localization/language_constrants.dart';
import 'package:flutter_grocery/provider/onboarding_provider.dart';
import 'package:flutter_grocery/provider/splash_provider.dart';
import 'package:flutter_grocery/utill/color_resources.dart';
import 'package:flutter_grocery/utill/dimensions.dart';
import 'package:flutter_grocery/utill/styles.dart';
import 'package:flutter_grocery/view/screens/auth/login_screen.dart';
import 'package:flutter_grocery/view/screens/onboarding/widget/on_boarding_widget.dart';
import 'package:provider/provider.dart';

class OnBoardingScreen extends StatelessWidget {
  final PageController _pageController = PageController();

  @override
  Widget build(BuildContext context) {
    Provider.of<OnBoardingProvider>(context, listen: false).getBoardingList(context);

    return Scaffold(
      body: SafeArea(
        child: Consumer<OnBoardingProvider>(
          builder: (context, onBoarding, child) {
            return onBoarding.onBoardingList.length > 0
                ? Column(
                    children: [
                      SizedBox(height: 10),
                      Row(
                        mainAxisAlignment: MainAxisAlignment.end,
                        children: [
                          TextButton(
                            onPressed: () {
                              Provider.of<SplashProvider>(context, listen: false).disableIntro();
                              Navigator.of(context).pushReplacementNamed(RouteHelper.login, arguments: LoginScreen());
                            },
                            child: Text(
                              onBoarding.selectedIndex != onBoarding.onBoardingList.length - 1 ? getTranslated('skip', context) : '',
                              style: poppinsSemiBold.copyWith(color: ColorResources.getHintColor(context)),
                            ),
                          ),
                        ],
                      ),
                      Expanded(
                        child: PageView.builder(
                          itemCount: onBoarding.onBoardingList.length,
                          controller: _pageController,
                          physics: BouncingScrollPhysics(),
                          itemBuilder: (context, index) {
                            return Padding(
                              padding: EdgeInsets.all(Dimensions.PADDING_SIZE_EXTRA_LARGE),
                              child: OnBoardingWidget(onBoardingModel: onBoarding.onBoardingList[index]),
                            );
                          },
                          onPageChanged: (index) => onBoarding.setSelectIndex(index),
                        ),
                      ),
                      Padding(
                        padding: EdgeInsets.all(Dimensions.PADDING_SIZE_LARGE),
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.center,
                          children: _pageIndicators(onBoarding.onBoardingList, context),
                        ),
                      ),
                      Padding(
                        padding: EdgeInsets.all(Dimensions.PADDING_SIZE_EXTRA_LARGE),
                        child: Stack(children: [
                          Center(
                            child: SizedBox(
                              height: 50,
                              width: 50,
                              child: CircularProgressIndicator(
                                valueColor: AlwaysStoppedAnimation<Color>(Theme.of(context).primaryColor),
                                value: (onBoarding.selectedIndex + 1) / onBoarding.onBoardingList.length,
                              ),
                            ),
                          ),
                          Align(
                            alignment: Alignment.center,
                            child: InkWell(
                              onTap: () {
                                if (onBoarding.selectedIndex == onBoarding.onBoardingList.length - 1) {
                                  Provider.of<SplashProvider>(context, listen: false).disableIntro();
                                  Navigator.of(context).pushReplacementNamed(RouteHelper.login, arguments: LoginScreen());
                                } else {
                                  _pageController.nextPage(duration: Duration(milliseconds: 500), curve: Curves.easeIn);
                                }
                              },
                              child: Container(
                                height: 40,
                                width: 40,
                                margin: EdgeInsets.only(top: 5),
                                decoration: BoxDecoration(shape: BoxShape.circle, color: Theme.of(context).primaryColor),
                                child: Icon(
                                  onBoarding.selectedIndex == onBoarding.onBoardingList.length - 1 ? Icons.check : Icons.navigate_next,
                                  color: Colors.white,
                                  size: 30,
                                ),
                              ),
                            ),
                          ),
                        ]),
                      ),
                    ],
                  )
                : SizedBox();
          },
        ),
      ),
    );
  }

  List<Widget> _pageIndicators(var onBoardingList, BuildContext context) {
    List<Container> _indicators = [];

    for (int i = 0; i < onBoardingList.length; i++) {
      _indicators.add(
        Container(
          width: i == Provider.of<OnBoardingProvider>(context).selectedIndex ? 20 : 10,
          height: 10,
          margin: EdgeInsets.only(right: 5),
          decoration: BoxDecoration(
            color:
                i == Provider.of<OnBoardingProvider>(context).selectedIndex ? Theme.of(context).primaryColor : ColorResources.getGreyColor(context),
            borderRadius: i == Provider.of<OnBoardingProvider>(context).selectedIndex ? BorderRadius.circular(50) : BorderRadius.circular(25),
          ),
        ),
      );
    }
    return _indicators;
  }
}