main.dart

import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:flutter/material.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:share/share.dart';
import 'package:url_launcher/url_launcher.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp();
  runApp(
    const MyApp(),
  );
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Save You',
      theme: ThemeData(
          primarySwatch: Colors.blue,
          visualDensity: VisualDensity.adaptivePlatformDensity,
          canvasColor: Colors.white),
      home: const MyHomePage(title: 'Save You'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);
  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      drawer: Drawer(
        elevation: 10,
        child: ListView(
          children: [
            const UserAccountsDrawerHeader(
              decoration: BoxDecoration(),
              accountName: Text(
                "Rohit Jain",
                style: TextStyle(
                  color: Colors.blueAccent,
                ),
              ),
              accountEmail: Text(
                "rohitjain19060@gmail.com",
                style: TextStyle(
                  color: Colors.blueAccent,
                ),
              ),
              currentAccountPicture: CircleAvatar(
                backgroundColor: Colors.blueAccent,
                child: Text(
                  "R",
                  style: TextStyle(fontSize: 40.0, color: Colors.white),
                ),
              ),
            ),
            const UserAccountsDrawerHeader(
              decoration: BoxDecoration(),
              accountName: Text(
                "Garima methi",
                style: TextStyle(
                  color: Colors.redAccent,
                ),
              ),
              accountEmail: Text(
                "gmethi123@gmail.com",
                style: TextStyle(
                  color: Colors.redAccent,
                ),
              ),
              currentAccountPicture: CircleAvatar(
                backgroundColor: Colors.redAccent,
                child: Text(
                  "G",
                  style: TextStyle(fontSize: 40.0, color: Colors.white),
                ),
              ),
            ),
            InkWell(
              child: ListTile(
                  trailing: const Icon(
                    Icons.star,
                    color: Colors.redAccent,
                  ),
                  title: const Text(
                    "Visit Us",
                    style: TextStyle(color: Colors.blueAccent),
                  ),
                  onTap: () {
                    launch('https://kingtechnologies.in');
                  }),
            ),
            InkWell(
                child: const ListTile(
                  trailing: Icon(
                    Icons.share,
                    color: Colors.redAccent,
                  ),
                  title: Text(
                    "Share",
                    style: TextStyle(color: Colors.blueAccent),
                  ),
                ),
                onTap: () {
                  Share.share('https://kingtechnologies.in');
                }),
          ],
        ),
      ),
      appBar: AppBar(
        iconTheme: const IconThemeData(color: Colors.black),
        elevation: 0,
        backgroundColor: Colors.white,
        centerTitle: true,
        title: Text(
          widget.title,
          style: const TextStyle(color: Colors.black),
        ),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            ElevatedButton(
              style: ElevatedButton.styleFrom(
                elevation: 10,
                shape: const CircleBorder(),
                padding: const EdgeInsets.all(60),
              ),
              child: const Text(
                'Guide',
                style: TextStyle(fontSize: 30),
              ),
              onPressed: () => Navigator.push(
                context,
                MaterialPageRoute(
                  builder: (context) => const Notes(),
                ),
              ),
            ),
            const SizedBox(
              height: 60,
            ),
            ElevatedButton(
              style: ElevatedButton.styleFrom(
                elevation: 10,
                shape: const CircleBorder(),
                padding: const EdgeInsets.all(60),
              ),
              child: const Text(
                'Air Tracer',
                style: TextStyle(fontSize: 30),
              ),
              onPressed: () => Navigator.push(
                context,
                MaterialPageRoute(
                  builder: (context) => const AirTrack(),
                ),
              ),
            )
          ],
        ),
      ),
    );
  }
}

class Notes extends StatefulWidget {
  const Notes({Key? key}) : super(key: key);

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

class _NotesState extends State<Notes> {
  Color wh = Colors.white, bl = Colors.blue;
  final db = FirebaseFirestore.instance;
  String? name, title, blog;
  final formName = GlobalKey<FormState>();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        iconTheme: const IconThemeData(color: Colors.black),
        centerTitle: true,
        elevation: 0,
        title: const Text(
          "Guide",
          style: TextStyle(color: Colors.black),
        ),
        backgroundColor: wh,
      ),
      body: Container(
        decoration: const BoxDecoration(
          image: DecorationImage(
            colorFilter: ColorFilter.linearToSrgbGamma(),
            image: AssetImage("assets/images/1.jpg"),
            fit: BoxFit.cover,
          ),
        ),
        child: StreamBuilder<QuerySnapshot>(
            stream: db.collection("Note").snapshots(),
            builder: (BuildContext context,
                AsyncSnapshot<QuerySnapshot<Object?>> snapshot) {
              if (snapshot.connectionState == ConnectionState.waiting) {
                return const Center(
                  child: CircularProgressIndicator(),
                );
              } else if (snapshot.hasData) {
                return ListView(
                  children: snapshot.data!.docs.map((doc) {
                    final data = doc.data() as Map;
                    return Container(
                      margin: const EdgeInsets.all(10.0),
                      padding: const EdgeInsets.all(7.0),
                      decoration: BoxDecoration(
                        color: wh,
                        border: Border.all(color: bl),
                        borderRadius: BorderRadius.circular(20),
                      ),
                      child: ListTile(
                        title: Text(
                          data["Note"].toString(),
                          style: const TextStyle(fontSize: 22),
                        ),
                        subtitle: Text(data["TimeStamp"]),
                      ),
                    );
                  }).toList(),
                );
              } else {
                return Container();
              }
            }),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          showDialog(
            context: context,
            builder: (BuildContext context) => AlertDialog(
              content: Form(
                key: formName,
                child: Container(
                  color: Colors.white,
                  height: 155,
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                    children: [
                      TextFormField(
                        autofocus: true,
                        decoration: const InputDecoration(
                          labelText: "Title",
                          labelStyle: TextStyle(fontWeight: FontWeight.bold),
                          border: OutlineInputBorder(),
                        ),
                        validator: (value) {
                          if (value != null && value.isEmpty) {
                            return "Please Enter a Title";
                          } else {
                            return null;
                          }
                        },
                        onSaved: (value) => title = value,
                      ),
                      TextFormField(
                        decoration: const InputDecoration(
                          labelText: "Data",
                          labelStyle: TextStyle(fontWeight: FontWeight.bold),
                          border: OutlineInputBorder(),
                        ),
                        validator: (value) {
                          if (value != null && value.isEmpty) {
                            return "Please Enter a Data";
                          } else {
                            return null;
                          }
                        },
                        onSaved: (value) => blog = value,
                      ),
                    ],
                  ),
                ),
              ),
              actions: [
                IconButton(
                    icon: Icon(
                      Icons.add_circle,
                      color: bl,
                    ),
                    onPressed: () {
                      if (formName.currentState!.validate()) {
                        formName.currentState!.save();
                        db.collection("Note").add({
                          'Note': '$title',
                          'Data': '$blog',
                          'TimeStamp': DateTime.now(),
                        });
                        Navigator.pop(context);
                      }
                    })
              ],
            ),
          );
        },
        child: const Icon(Icons.add_circle_outline),
        backgroundColor: wh,
        foregroundColor: bl,
      ),
    );
  }
}

class AirTrack extends StatefulWidget {
  const AirTrack({Key? key}) : super(key: key);

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

class _AirTrackState extends State<AirTrack> {
  GoogleMapController? mapController;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Stack(
        children: const [
          GoogleMap(
            myLocationButtonEnabled: true,
            mapType: MapType.hybrid,
            compassEnabled: true,
            initialCameraPosition: CameraPosition(
              target: LatLng(28.6375729, 75.3657894),
              zoom: 2,
            ),
          ),
          Center(
            child: Text(
              'Air Pollution Level: Good(0-50)',
              style: TextStyle(fontSize: 40, color: Colors.white),
            ),
          )
        ],
      ),
    );
  }
}