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Flutter Projects

You're reading from   Flutter Projects A practical, project-based guide to building real-world cross-platform mobile applications and games

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Product type Paperback
Published in Apr 2020
Publisher Packt
ISBN-13 9781838647773
Length 490 pages
Edition 1st Edition
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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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Toc

Table of Contents (15) Chapters Close

Preface 1. Hello Flutter! 2. Miles or Kilometers? Using Stateful Widgets FREE CHAPTER 3. My Time - Listening to a Stream of Data 4. Pong Game - 2D Animations and Gestures 5. Let's Go to the Movies - Getting Data from the Web 6. Store That Data - Using Sq(F)Lite To Store Data in a Local Database 7. Firing Up the App - Integrating Firebase into a Flutter App 8. The Treasure Mapp - Integrating Maps and Using Your Device Camera 9. Let's Play Dice: Knockout - Creating an Animation with Flare 10. ToDo App - Leveraging the BLoC Pattern and Sembast 11. Building a Flutter Web App 12. Assessment 13. Other Books You May Enjoy Appendix

Summary

Storing data into a device is a key skill in Flutter development. In this chapter, we have created a data-driven app, leveraging the SQLite database.

In order to add the SQLite features in Flutter, we used the sqflite library, which contains asynchronous helper methods for SELECT, INSERT, UPDATE, and DELETE queries.

We used the openDb method, which returns a database object. The first time we called this method, the database was created with the specified name and version, and the following times, it was only opened.

We called the execute method to use the SQL language to insert records, and the rawQuery method to use a SELECT statement against the database.

We've created model classes that mirrored the structure of the tables in a database to make the code more reliable, easier to read, and to prevent data inconsistencies.

We used the insert, update, and delete...

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