bigataka yadaharu

[jayany123]

import 'package:firebase_auth/firebase_auth.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_storage/firebase_storage.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'dart:io';
import 'package:agora_rtc_engine/agora_rtc_engine.dart';

void main() async {
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp();
runApp(MyApp());
}

class MyApp extends StatelessWidget {
@OverRide
Widget build(BuildContext context) {
return MaterialApp(
home: HomeScreen(),
);
}
}

class HomeScreen extends StatelessWidget {
@OverRide
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Colors.blue, // Blue background
body: Center(
child: Text(
'Hello from Jayant Bista!', // Greeting message
style: TextStyle(
fontSize: 24,
color: Colors.black, // Black text
),
),
),
);
}
}

class SignUpScreen extends StatelessWidget {
final TextEditingController emailController = TextEditingController();
final TextEditingController passwordController = TextEditingController();

void signUp() async {
try {
await FirebaseAuth.instance.createUserWithEmailAndPassword(
email: emailController.text,
password: passwordController.text,
);
print("User signed up!");
} catch (e) {
print("Error: $e");
}
}

@OverRide
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text('Sign Up')),
body: Padding(
padding: EdgeInsets.all(16.0),
child: Column(
children: [
TextField(
controller: emailController,
decoration: InputDecoration(labelText: 'Email'),
),
TextField(
controller: passwordController,
decoration: InputDecoration(labelText: 'Password'),
obscureText: true,
),
ElevatedButton(onPressed: signUp, child: Text('Sign Up')),
],
),
),
);
}
}

class ChatScreen extends StatefulWidget {
@OverRide
_ChatScreenState createState() => _ChatScreenState();
}

class _ChatScreenState extends State {
final TextEditingController messageController = TextEditingController();

void sendMessage() {
FirebaseFirestore.instance.collection('chats').add({
'message': messageController.text,
'timestamp': FieldValue.serverTimestamp(),
});
messageController.clear();
}

@OverRide
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text('Chat')),
body: Column(
children: [
Expanded(
child: StreamBuilder(
stream: FirebaseFirestore.instance
.collection('chats')
.orderBy('timestamp')
.snapshots(),
builder: (context, snapshot) {
if (!snapshot.hasData) return CircularProgressIndicator();
var messages = snapshot.data!.docs;
return ListView.builder(
itemCount: messages.length,
itemBuilder: (context, index) {
return ListTile(
title: Text(messages[index]['message']),
);
},
);
},
),
),
Padding(
padding: EdgeInsets.all(8.0),
child: Row(
children: [
Expanded(
child: TextField(
controller: messageController,
decoration: InputDecoration(hintText: 'Type a message'),
),
),
IconButton(
icon: Icon(Icons.send),
onPressed: sendMessage,
),
],
),
),
],
),
);
}
}

class UploadScreen extends StatelessWidget {
void uploadFile() async {
final ImagePicker picker = ImagePicker();
final XFile? image = await picker.pickImage(source: ImageSource.gallery);

if (image != null) {
  File file = File(image.path);
  try {
    await FirebaseStorage.instance.ref('uploads/photo.jpg').putFile(file);
    print("File uploaded");
  } catch (e) {
    print("Error: $e");
  }
}

}

@OverRide
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text('Upload Photo')),
body: Center(
child: ElevatedButton(
onPressed: uploadFile,
child: Text('Upload Photo'),
),
),
);
}
}

class VideoCallScreen extends StatelessWidget {
static const String appId = "YOUR_AGORA_APP_ID";

void initializeAgora() {
AgoraRtcEngine.create(appId);
AgoraRtcEngine.enableVideo();
AgoraRtcEngine.joinChannel(null, 'test', null, 0);
}

@OverRide
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text('Video Call')),
body: Center(
child: ElevatedButton(
onPressed: initializeAgora,
child: Text('Start Video Call'),
),
),
);
}
}