Flutter Staggered Grid View

In Flutter, the StaggeredGridView widget is used to create a grid view with tiles of varying sizes. This widget is useful for displaying data in a way that makes the most of available space on the screen. In this blog post, we will explore how to create a StaggeredGridView in Flutter with an example.

Example

Let's start by creating a simple StaggeredGridView that displays a list of images with varying sizes. First, we need to add the flutter_staggered_grid_view dependency to our pubspec.yaml file:

dependencies:
  flutter_staggered_grid_view: ^0.4.0​

After adding the dependency, we can import the flutter_staggered_grid_view package in our Dart file:

import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';​

Now, let's create a StaggeredGridView widget that displays a list of images. We will use the StaggeredTile widget to define the size of each tile in the grid. 

Here is an example

StaggeredGridView.countBuilder(
  crossAxisCount: 2,
  itemCount: 10,
  itemBuilder: (BuildContext context, int index) => Container(
    decoration: BoxDecoration(
      color: Colors.grey[300],
      borderRadius: BorderRadius.circular(10.0),
    ),
    child: Center(
      child: Text(
        'Tile $index',
        style: TextStyle(fontSize: 20.0),
      ),
    ),
  ),
  staggeredTileBuilder: (int index) =>
      StaggeredTile.count(1, index.isEven ? 2 : 1),
  mainAxisSpacing: 10.0,
  crossAxisSpacing: 10.0,
),
​

In this example, we use the StaggeredGridView.countBuilder constructor to create a StaggeredGridView with a fixed number of columns. We set the crossAxisCount parameter to 2, which creates a grid with two columns. The itemCount parameter specifies the number of tiles in the grid.

We use the itemBuilder parameter to specify how to build each tile in the grid. In this example, we create a Container with a grey background color and rounded corners. We use the Center widget to center a Text widget that displays the index of the tile.

The staggeredTileBuilder parameter is used to specify the size of each tile in the grid. We use the StaggeredTile.count constructor to create a tile with a width of 1 and a height of 2 for even-indexed tiles, and a height of 1 for odd-indexed tiles.

Finally, we set the mainAxisSpacing and crossAxisSpacing parameters to 10.0 to specify the spacing between tiles in the grid.

we explored how to create a StaggeredGridView in Flutter with an example. We learned how to use the StaggeredTile widget to specify the size of each tile in the grid, and how to use the StaggeredGridView.countBuilder constructor to create a grid with a fixed number of columns. With these tools, we can create flexible and dynamic grid layouts in our Flutter applications.