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Flutter Cookbook

Flutter Cookbook

By : Simone Alessandria, Brian Kayfitz
4.2 (16)
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Flutter Cookbook

Flutter Cookbook

4.2 (16)
By: Simone Alessandria, Brian Kayfitz

Overview of this book

“Anyone interested in developing Flutter applications for Android or iOS should have a copy of this book on their desk.” – Amazon 5* Review Lauded as the ‘Flutter bible’ for new and experienced mobile app developers, this recipe-based guide will teach you the best practices for robust app development, as well as how to solve cross-platform development issues. From setting up and customizing your development environment to error handling and debugging, The Flutter Cookbook covers the how-tos as well as the principles behind them. As you progress, the recipes in this book will get you up to speed with the main tasks involved in app development, such as user interface and user experience (UI/UX) design, API design, and creating animations. Later chapters will focus on routing, retrieving data from web services, and persisting data locally. A dedicated section also covers Firebase and its machine learning capabilities. The last chapter is specifically designed to help you create apps for the web and desktop (Windows, Mac, and Linux). Throughout the book, you’ll also find recipes that cover the most important features needed to build a cross-platform application, along with insights into running a single codebase on different platforms. By the end of this Flutter book, you’ll be writing and delivering fully functional apps with confidence.
Table of Contents (17 chapters)
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16
About Packt

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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Flutter Cookbook
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