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import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(

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// Import necessary packages
import 'package:flutter/material.dart';
import 'package:google_generative_ai/google_generative_ai.dart';

// Replace with your actual API key
const apiKey = 'YOUR_API_KEY';

// Main app widget
class MyChatApp extends StatefulWidget {
  @override

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WhatsApp Clone (Push Notifications)

For more very small changes, you'll found them in the video.

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Setup Node Server

To setup a node server create an empty directory and open it in VS Code or any editor and open Terminal and run:

$ npm init

Install Dependencies

Install some necessary dependencies:

$ npm install express

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NumbersApp which swaps two int values is for visualizing "Keys under the hood" -- Blog post on medium

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The complete code of example how flutter render widgets : Learn how Flutter render widgets

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This is full code of Cloud Functions of this blogpost : Schedule Cloud Functions with Cloud Tasks (for Document TTL) Part 1