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Скачать или смотреть Mastering Responsive Layouts: Set Max Items Per Row in Flutter Grids

  • vlogize
  • 2025-04-07
  • 3
Mastering Responsive Layouts: Set Max Items Per Row in Flutter Grids
How to set Max Items Per Row in Responsive Grids in Flutterflutterdartflutter layoutflutter dependenciesflutter web
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Описание к видео Mastering Responsive Layouts: Set Max Items Per Row in Flutter Grids

Learn how to dynamically set the maximum number of items per row in Flutter's responsive grids based on screen width for an optimal layout experience.
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This video is based on the question https://stackoverflow.com/q/72918764/ asked by the user 'Me too' ( https://stackoverflow.com/u/19408689/ ) and on the answer https://stackoverflow.com/a/72918792/ provided by the user 'Hossein Asadi' ( https://stackoverflow.com/u/11831226/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How to set Max Items Per Row in Responsive Grids in Flutter

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
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Mastering Responsive Layouts: Set Max Items Per Row in Flutter Grids

Creating a visually appealing and functional layout for different devices can be challenging in Flutter development. One common issue developers face is managing the number of items displayed in a grid layout, especially when adapting to various screen sizes. If you've ever encountered a situation where your app looks great on mobile devices but becomes cluttered on larger screens like tablets or PCs, you’re not alone! In this guide, we will explore a practical solution to set the maximum number of items displayed per row in a responsive grid layout in Flutter.

The Problem

You want to design a responsive grid that shows:

2 items per row on mobile devices.

4 items per row on tablets and PCs.

However, using a fixed number of items can lead to visual inconsistencies. For example, if the screen expands beyond a certain width, you may end up with three items on some screens, which detracts from the user experience. You’ve set your app to be viewable only in portrait mode, meaning landscape adjustments aren't an option. What you need is a flexible solution that reacts to screen size seamlessly.

The Solution: Dynamic Adjustment Based on Screen Width

To achieve your desired layout, you can leverage Flutter's MediaQuery to dynamically change the maxItemsPerRow setting depending on the device's screen width. Let’s break down the steps to implement this in your code.

Step-by-Step Implementation

Understanding Media Query: Media Query is a class that provides information about the device's screen dimensions. You can use it to fetch the screen width and make decisions based on that.

Use Conditional Logic: By using an if statement (or a ternary operator), you can set the maximum items per row based on the screen width.

Example Code

Here’s how you can write the code to implement the dynamic layout adjustment:

[[See Video to Reveal this Text or Code Snippet]]

Key Points:

The line maxItemsPerRow: MediaQuery.of(context).size.width >= 600 ? 4 : 2, is the crux of the solution. It checks if the device's screen width is 600 pixels or greater.

If it is, 4 items will be shown per row; if not, then 2 items will be displayed.

Why This Works

By implementing this simple conditional logic, you ensure that your app responds not just to fixed conditions, but adapts to the user's device. This provides a much more refined and tailored user experience across different platforms.

Conclusion

Managing responsive grids in Flutter does not have to be complicated. With the simple use of MediaQuery, you can effectively control how many items per row appear based on screen width. By setting 2 items for mobile screens and 4 for larger devices, you create a smoother, more user-friendly interface that looks great everywhere.

Now, you can confidently create responsive layouts in your Flutter applications! Happy coding!

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