import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              'Network Image',
            ),
            MyImage(),
          ],
        ),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}

class MyImage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    try {
      return Image.network(
        'AAABBBCCC', //url,
        errorBuilder: (BuildContext context, Object exception, StackTrace? stackTrace) {
          return Text('N/A');
        },
      );
    } catch (e) {
      print(e.toString());
    }

    return Container();
  }
}

class MyImage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    try {
      return Image.network(
        'https://example.com/nothing', //url,
        errorBuilder: (BuildContext context, Object exception, StackTrace? stackTrace) {
          return Text('N/A');
        },
      );
    } catch (e) {
      print(e.toString());
    }

    return Container();
  }
}

class MyImage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    try {
      return Image.network(
        'https://google.com/', //url,
        errorBuilder: (BuildContext context, Object exception, StackTrace? stackTrace) {
          return Text('N/A');
        },
      );
    } catch (e) {
      print(e.toString());
    }

    return Container();
  }
}