Random Image changer Using Random() in Flutter




Code =====

import 'dart:math';

import 'package:flutter/material.dart';

void main() {
  runApp(
    MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyApp(),
    ),
  );
}

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

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

class _MyAppState extends State<MyApp> {
  List l1 = [
    "assets/images/anim1.jpg",
    "assets/images/anim2.jpg",
    "assets/images/anim3.jpg",
    "assets/images/anim4.jpg",
    "assets/images/anim5.jpg",
    "assets/images/anim6.jpg"
  ];
  int i = 0;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        centerTitle: true,
        title: Text("Home Screen"),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            InkWell(
              onTap: () {
                Random random = Random();
                int no = random.nextInt(6);

                setState(() {
                  i = no;

                });
              },
              child: Container(
                height: 100,
                width: 100,
                color: Colors.blue,
                child: Image.asset("${l1[i]}"),
              ),
            ),
            SizedBox(
              height: 50,
            ),
          ],
        ),
      ),
    );
  }
}