Teso_Mobile/lib/Pages/home.dart

import 'package:flutter/material.dart';
import 'package:progress_indicators/progress_indicators.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:teso/Classes/Uploading.dart';
import 'package:teso/Pages/Sub_Pages/homeSub/MyCoupons.dart';
import 'package:teso/Pages/Sub_Pages/homeSub/HomeFeed.dart';
import 'package:teso/providers/pageAnimations.dart';
import 'package:teso/util/consts.dart';
import 'Sub_Pages/CoinPurchase.dart';
import 'package:teso/providers/user_provider.dart';
import 'package:provider/provider.dart';

import 'Sub_Pages/homeSub/ProximityCoupons.dart';
import 'firsttimer.dart';

class Home extends StatefulWidget {
  final Function showUploads;
  final Function toggle;
  const Home({Key key, this.showUploads, this.toggle}) : super(key: key);
  @override
  _HomeState createState() => _HomeState(showUploads: this.showUploads);
}

class _HomeState extends State<Home> with TickerProviderStateMixin {
  Function showUploads;
  _HomeState({this.showUploads});
  TabController tabsController;
  String title = "Home";
  double titleSize = 45.0;

  @override
  void initState() {
    super.initState();
    tabsController = new TabController(length: 3, initialIndex: 1, vsync: this);
    tabsController.addListener(() {
      if (tabsController.index == 1) {
        setState(() {
          title = "Home";
          titleSize = 45.0;
        });
        widget.toggle(true);
      } else if (tabsController.index == 2) {
        setState(() {
          title = "Proximity Coupons";
          titleSize = 30.0;
        });
        widget.toggle(false);
      } else {
        setState(() {
          title = "Coupons";
          titleSize = 45.0;
        });
        widget.toggle(true);
      }
    });
    SharedPreferences.getInstance().then((prefs) async {
      bool first =
          prefs.getBool("launched") != null ? prefs.getBool("launched") : false;
      if (!first) {
        int result = await Navigator.push(
            context,
            PageTransition(
              type: PageTransitionType.fade,
              child: FirstTimeIntro(),
            ));
        prefs.setBool("launched", true);
        tabsController.animateTo(result);
      }
    });
  }

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: buildAppBar(context),
      body: TabBarView(
        controller: tabsController,
        children: [
          MyCoupons(),
          HomeFeed(),
          ProximityCoupons(),
        ],
      ),
    );
  }

  Widget buildAppBar(BuildContext context) {
    return PreferredSize(
        child: Material(
          //elevation: 0.4,
          child: AppBar(
            backgroundColor: Theme.of(context).primaryColor,
            automaticallyImplyLeading: false,
            title: Consumer<UserProvider>(builder:
                (BuildContext context, UserProvider value, Widget child) {
              List<Uploading> provider = value.getPending();
              return Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  Text(
                    title,
                    style: TextStyle(
                      color: Theme.of(context).primaryColorLight,
                      fontFamily: 'DeadheadScript',
                      fontSize: titleSize,
                      letterSpacing: 3.0,
                    ),
                  ),
                  Container(
                    height: 30,
                    child: Row(
                      children: [
                        provider == null || provider.length == 0
                            ? Container()
                            : GestureDetector(
                                onTap: () => showUploads(context),
                                child: Container(
                                  height: 40,
                                  width: 40,
                                  margin: EdgeInsets.only(right: 15),
                                  child: HeartbeatProgressIndicator(
                                    child: Icon(
                                      Icons.upload,
                                      color: tesoBlue,
                                      size: 18,
                                    ),
                                  ),
                                ),
                              ),
                        GestureDetector(
                          onTap: () => Navigator.push(
                            context,
                            PageTransition(
                              type: PageTransitionType.downToUp,
                              child: Coins(
                                initalPage: 0,
                              ),
                            ),
                          ),
                          child: Image(
                            image: AssetImage("assets/images/gold1.png"),
                          ),
                        ),
                        GestureDetector(
                          onTap: () => Navigator.push(
                            context,
                            PageTransition(
                              type: PageTransitionType.downToUp,
                              child: Coins(initalPage: 0),
                            ),
                          ),
                          child: Container(
                            margin: EdgeInsets.only(left: 2),
                            child: Center(
                              child: Text(
                                value.currentUser != null
                                    ? value.currentUser.gold
                                    : "0",
                                style: TextStyle(
                                  fontSize: 13.5,
                                  color: Theme.of(context).primaryColorLight,
                                ),
                              ),
                            ),
                          ),
                        ),
                        GestureDetector(
                          onTap: () => Navigator.push(
                            context,
                            PageTransition(
                              type: PageTransitionType.downToUp,
                              child: Coins(initalPage: 1),
                            ),
                          ),
                          child: Image(
                            image: AssetImage("assets/images/silver1.png"),
                          ),
                        ),
                        GestureDetector(
                          onTap: () => Navigator.push(
                            context,
                            PageTransition(
                              type: PageTransitionType.downToUp,
                              child: Coins(initalPage: 1),
                            ),
                          ),
                          child: Container(
                            margin: EdgeInsets.only(left: 2),
                            child: Center(
                              child: Text(
                                value.currentUser != null
                                    ? value.currentUser.silver
                                    : "0",
                                style: TextStyle(
                                  fontSize: 13.5,
                                  color: Theme.of(context).primaryColorLight,
                                ),
                              ),
                            ),
                          ),
                        ),
                      ],
                    ),
                  ),
                ],
              );
            }),
          ),
        ),
        preferredSize: Size.fromHeight(50.0));
  }
}