Implementing swiping with the Dismissible widget

Mobile users expect apps to respond to gestures. In particular, swiping an item left or right in a ListView can be used to delete an item from a List.

There’s a very useful widget in Flutter designed to remove an item in response to a swiping gesture from the user. It’s called Dismissible. In this recipe, you will see a simple example that shows how to implement a Dismissible widget in your apps.

Getting ready

To follow along with this recipe, create a new Flutter project, or use the app created in any of the previous recipes.

How to do it...

You will now create a screen with a ListView, and include a Dismissible widget in it:

1. Create a new file in the lib folder called dismissible.dart.
2. At the top of the file, import material.dart:

   import 'package:flutter/material.dart';
   

3. Create a stateful widget, calling it DismissibleScreen:

   class DismissibleScreen...