Image

  • Code

    Syntax

    
                  const Image(
                    image: NetworkImage('https://www.tutorialkart.com/img/lion.jpg'),
                  )
    
                    
    
                    
                    import 'dart:ui';
     
    import 'package:flutter/material.dart';
     
    void main() => runApp(const MyApp());
     
    class MyApp extends StatelessWidget {
      const MyApp({Key? key}) : super(key: key);
     
      static const String _title = 'Flutter Tutorial';
     
      @override
      Widget build(BuildContext context) {
        return MaterialApp(
          title: _title,
          home: Scaffold(
            appBar: AppBar(title: const Text(_title)),
            body: const MyStatefulWidget(),
          ),
        );
      }
    }
     
    class MyStatefulWidget extends StatefulWidget {
      const MyStatefulWidget({Key? key}) : super(key: key);
     
      @override
      State<MyStatefulWidget> createState() => _MyStatefulWidgetState();
    }
     
    class _MyStatefulWidgetState extends State<MyStatefulWidget> {
      @override
      Widget build(BuildContext context) {
        return Center(
            child: Column(
              children: <Widget>[
              Container(
                margin: const EdgeInsets.all(20),
                child: const Image(
                  image: NetworkImage(
                        'https://www.tutorialkart.com/img/lion.jpg'),
                ),
              ),
            ],
          ),
        );
      }
    }
                    
  • Basic Usage

    1. Image Widget:

    
    Image(
      image: NetworkImage('https://example.com/image.jpg'),
    )
    
                        

    2. CircleAvatar Widget:

    
    CircleAvatar(
      backgroundImage: NetworkImage('https://example.com/avatar.jpg'),
    )
    
                        

    3. DecorationImage in BoxDecoration:

    
                        Container(
                          decoration: BoxDecoration(
                            image: DecorationImage(
                              image: NetworkImage('https://example.com/background.jpg'),
                              fit: BoxFit.cover,
                            ),
                          ),
                        )
    
                        

    4. CachedNetworkImage Widget:

    
    CachedNetworkImage(
      imageUrl: 'https://example.com/image.jpg',
      placeholder: (context, url) => CircularProgressIndicator(),
      errorWidget: (context, url, error) => Icon(Icons.error),
    )
    
                        
  • Usage in layouts

    1. Column and Row Layouts:

    
    Column(
      children: [
        Image(
          image: NetworkImage('https://example.com/image1.jpg'),
        ),
        Image(
          image: NetworkImage('https://example.com/image2.jpg'),
        ),
      ],
    )
    
    

    2. GridView:

    
    GridView.builder(
      gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
        crossAxisCount: 2,
        crossAxisSpacing: 4.0,
        mainAxisSpacing: 4.0,
      ),
      itemCount: imageUrls.length,
      itemBuilder: (BuildContext context, int index) {
        return Image(
          image: NetworkImage(imageUrls[index]),
        );
      },
    )
    
    

    3. ListView:

    
    ListView.builder(
      itemCount: imageUrls.length,
      itemBuilder: (BuildContext context, int index) {
        return Image(
          image: NetworkImage(imageUrls[index]),
        );
      },
    )
    
    

    4. Stack Layout:

    
    Stack(
      children: [
        Image(
          image: NetworkImage('https://example.com/background.jpg'),
          fit: BoxFit.cover,
          height: double.infinity,
          width: double.infinity,
        ),
        Positioned(
          top: 20.0,
          left: 20.0,
          child: Image(
            image: NetworkImage('https://example.com/foreground.jpg'),
          ),
        ),
      ],
    )