How to add on click event to Image in Flutter

In this Google flutter code example we are going to learn how to add on click event to Image in Flutter.

The code is based on flutter version 1.0.0

Main.dart (App entry point)

import 'package:flutter/material.dart';
import 'image_click_event_task-18.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        // This is the theme of your application.
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
      //home: MyHomePage(title: 'Flutter Demo Home Page'),
      home: ImageClickEvent(),


import 'package:flutter/material.dart';

class ImageClickEvent extends StatefulWidget {
  ImageClickEventState createState() {
    return new ImageClickEventState();

class ImageClickEventState extends State<ImageClickEvent> {
  int countValue = 1;
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: Text('Image Cick Event Example'),
        body: Center(
            child: Column(
          mainAxisSize: MainAxisSize.max,
          children: <Widget>[
                child: Center(
                    child: Text(countValue.toString(),
                        style: TextStyle(fontSize: 25.0)))),
              onTap: () {
                //Insert event to be fired up when button is clicked here
                //in this case, this increments our `countValue` variable by one.
                setState(() => countValue += 1);
              child: CircleAvatar(
                backgroundImage: ExactAssetImage('assets/images/umbrella.png'),
                minRadius: 80,
                maxRadius: 120,
              height: 40,

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