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Flutter Cookbook, Second Edition

You're reading from   Flutter Cookbook, Second Edition 100+ step-by-step recipes for building cross-platform, professional-grade apps with Flutter 3.10.x and Dart 3.x

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Product type Paperback
Published in May 2023
Publisher Packt
ISBN-13 9781803245430
Length 712 pages
Edition 2nd Edition
Languages
Tools
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Author (1):
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Simone Alessandria Simone Alessandria
Author Profile Icon Simone Alessandria
Simone Alessandria
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Table of Contents (19) Chapters Close

Preface 1. Getting Started with Flutter 2. Creating Your First Flutter App FREE CHAPTER 3. Dart: A Language You Already Know 4. Introduction to Widgets 5. Mastering Layout and Taming the Widget Tree 6. Adding Interactivity and Navigation to Your App 7. Basic State Management 8. The Future is Now: Introduction to Asynchronous Programming 9. Data Persistence and Communicating with the Internet 10. Advanced State Management with Streams 11. Using Flutter Packages 12. Adding Animations to Your App 13. Using Firebase 14. Firebase Machine Learning 15. Flutter Web and Desktop 16. Distributing Your Mobile App 17. Other Books You May Enjoy
18. Index

Recognizing text from an image

We’ll start with ML by incorporating ML Kit’s text recognizer. You will create a feature where you take a picture, and if there is some recognizable text in it, ML Kit will turn it into one or more strings.

Getting ready

For this recipe, you should have completed the previous one: Using the device camera.

How to do it...

In this recipe, after taking a picture, you will add a text recognition feature. Follow these steps:

  1. Import the latest version of the google_mlkit_commons and google_mlkit_text_recognition packages in your pubspec.yaml file by typing in your Terminal:
    flutter pub add google_mlkit_commons 
    flutter pub add google_mlkit_text_recognition 
    
  2. Create a new file in the lib folder of your project and call it ml.dart.
  3. Inside the new file, import the dart:io and google_mlkit_text_recognition packages:
    import 'dart:io'; 
    import ' package:google_mlkit_text_recognition...
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