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You're reading from  Flutter Cookbook, Second Edition - Second Edition

Product typeBook
Published inMay 2023
Reading LevelIntermediate
PublisherPackt
ISBN-139781803245430
Edition2nd Edition
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Author (1)
Simone Alessandria
Simone Alessandria
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Simone Alessandria

Simone Alessandria wrote his first program when he was 12. It was a text-based fantasy game for the Commodore 64. Now, he is a trainer (MCT), author, speaker, passionate software architect, and always a proud coder. He is the founder and owner of Softwarehouseit. His mission is to help developers achieve more through training and mentoring. He has authored several books on Flutter, including Flutter Projects, published by Packt, and web courses on Pluralsight and Udemy.
Read more about Simone Alessandria

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Accessing the filesystem, part 2 – working with directories

  1. In this section, we'll build upon the previous recipe so that you can read and write to files using Dart's Directory class and the dart:io library.

Getting ready

To follow along with this recipe, you need to have completed the previous recipe.

How to do it...

In this recipe, we will:

  • Create a new file inside our device or simulator/emulator.
  • Write some text.
  • Read the content in the file and show it on the screen.

The beginning code for this recipe is the end of the previous one. The methods for reading and writing to files are included in the dart.io library. Follow these steps:

  1. At the top of the main.dart file, import the dart:io library:
import 'dart:io';
  1. At the top of the _MyHomePageState class, in the main.dart file, create two new State variables for the file and its content:
late File myFile;
String fileText='';
  • Still in the MyHomePageState class, create a new method...
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Flutter Cookbook, Second Edition - Second Edition
Published in: May 2023Publisher: PacktISBN-13: 9781803245430

Author (1)

author image
Simone Alessandria

Simone Alessandria wrote his first program when he was 12. It was a text-based fantasy game for the Commodore 64. Now, he is a trainer (MCT), author, speaker, passionate software architect, and always a proud coder. He is the founder and owner of Softwarehouseit. His mission is to help developers achieve more through training and mentoring. He has authored several books on Flutter, including Flutter Projects, published by Packt, and web courses on Pluralsight and Udemy.
Read more about Simone Alessandria