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Flutter Expansion Tile Card: The Complete Guide

Flutter is an open-source mobile application development framework that has gained immense popularity in recent years. It offers a wide range of features and widgets that developers can use to create highly responsive and attractive mobile applications. One such widget is the FlutterExpansionTileCard, which allows you to create expandable and collapsible cards that display additional content when expanded. In this post, we’ll explore everything you need to know about Flutter Expansion Tile Card.

What is a Flutter Expansion Tile Card?

A Flutter Expansion Tile Card is a widget that provides an expandable and collapsible container that displays additional content when expanded. It can be used to create interactive lists, menus, or any other UI component that requires expandable and collapsible functionality. The widget consists of a header and a body, where the header is displayed in a collapsed state, and the body is displayed in an expanded state.

What are the features of a Flutter Expansion Tile Card?

Flutter Expansion Tile Card offers several features, including:

  1. Expandable and collapsible functionality: The widget can be expanded or collapsed to display additional or hidden content.
  2. Customizable header and body: The header and body of the card can be customized to match your application’s design and branding.
  3. Animation support: This supports animation when the card is expanded or collapsed.
  4. Built-in indicator icons: The widget includes built-in indicator icons that change based on the card’s state.
  5. Support for nested Expansion Tile Cards: You can nest multiple Expansion Tile Cards inside each other to create complex UI components.

How to implement a FlutterExpansionTileCard?

To implement a FlutterExpansionTileCard, you need to follow these steps:

  1. Import the necessary packages: You need to import the Flutter Material package, which contains the ExpansionTile widget.
  2. Create an ExpansionTile widget: In the build method of your widget, create an ExpansionTile widget and specify the header and body of the card.
  3. Customize the header and body: You can customize the header and body of the card by providing a Widget or a Text widget that displays the header and body content.
  4. Add the widget to your application: Once you have customized the Expansion Tile Card, add it to your application by calling it in the build method of your widget.

What are the benefits of using the Flutter Expansion Tile Card?

There are several benefits of using the FlutterExpansionTileCard, including:

  1. Interactive user interface: The Tile Card allows you to create an interactive user interface that provides users with additional information only when needed.
  2. Saves space: By using expandable and collapsible containers, The Tile Card helps to keep space on your application’s screen.
  3. Customizable: The widget is highly customizable, allowing you to match the card’s design to your application’s branding and design.
  4. Supports nested cards: You can use multiple nested Expansion Tile Cards to create complex UI components without cluttering your application’s screen.


Flutter Expansion Tile Card is a powerful widget that can be used to create interactive and customizable mobile application interfaces. It provides expandable and collapsible functionality that saves screen space while making your application more interactive. With its nested cards and animation support, Flutter Expansion Tile Card is an excellent choice for creating complex UI components in your mobile application. Hopefully, this comprehensive guide has provided you with all the information you need to know about Flutter Expansion Tile Cards.

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