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Example of StatelessWidget#

Sumit Rawal answered on July 2, 2023 Popularity 7/10 Helpfulness 2/10

answer Example of StatelessWidget#

Example of StatelessWidget#

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import 'package:flutter/material.dart';

import 'tap_me.dart';
import 'show_count.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    //MaterialApp is an application that uses material design.
    return new MaterialApp(
      title: 'Flutter Hello World',
      theme: new ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: new MyHomePage(),
    );
  }
}

class MyHomePage extends StatelessWidget {
  var count = 0;

  //build method has to be implemented by the class extending StatelessWidget/StatefulWidget
  @override
  Widget build(BuildContext context) {
    //Scaffold is a widget to build a new screen, it will take all other widgets in its plate
    return Scaffold(
      //Center widget will force its children widget to lie in the middle of the parent widget plate
      //as Scaffold takes the entire height and width of the screen, it will come at the middle of the screen
      body: Center(
        //Column widget is used align its children widget in a literal column fashion, similarly we have a Row widget
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            TapMe(plusOne: plusOne),
            ShowCount(count: count),
          ],
        ),
      ),
    );
  }

  void plusOne() {
    count++;
    print("count is $count");
  }
}

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Contributed on Jul 02 2023

Sumit Rawal

0 Answers Avg Quality 2/10

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