GridView widget and Attributes

The GridView widget in Flutter provides a scrollable 2D array of widgets, allowing you to display a grid of items. It's a versatile and powerful widget commonly used for displaying lists of items in a grid format. In this section, we'll explore the attributes of the GridView widget and provide an example for your blog.

1. Attributes of GridView Widget:

1.1 children:

• Description: A list of widgets to be displayed in the grid.

• Example:

    GridView(
      children: [
        /* your widgets */,
      ],
    ),
  

1.2 gridDelegate:

• Description: Defines the layout of the grid, such as the number of columns and their spacing.

• Example:

    GridView(
      gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
        crossAxisCount: 2,
        crossAxisSpacing: 16.0,
        mainAxisSpacing: 16.0,
      ),
      children: [
        /* your widgets */,
      ],
    ),
  

1.3 scrollDirection:

• Description: Specifies the scrolling direction of the grid, either horizontal or vertical.

• Example:

    GridView(
      scrollDirection: Axis.horizontal,
      children: [
        /* your widgets */,
      ],
    ),
  

1.4 padding:

• Description: Defines the padding around the entire grid.

• Example:

    GridView(
      padding: EdgeInsets.all(16.0),
      children: [
        /* your widgets */,
      ],
    ),
  

2. Example of GridView Widget:

Let's create a simple Flutter application that uses the GridView widget to display a grid of images.

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('GridView Example'),
        ),
        body: GridView(
          gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
            crossAxisCount: 2,
            crossAxisSpacing: 16.0,
            mainAxisSpacing: 16.0,
          ),
          padding: EdgeInsets.all(16.0),
          children: [
            //chnage path according to your images path
            Image.network('https://example.com/image1.jpg'),
            Image.network('https://example.com/image2.jpg'),
            Image.network('https://example.com/image3.jpg'),
            // Add more Image widgets as needed
          ],
        ),
      ),
    );
  }
}

In this example, we've created a Flutter app with a GridView containing a grid of images. The gridDelegate is set to have two columns with spacing between them, and the padding provides some space around the entire grid.