Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Delphi Cookbook

You're reading from   Delphi Cookbook 50 hands-on recipes to master the power of Delphi for cross-platform and mobile development on Windows, Mac OS X, Android, and iOS

Arrow left icon
Product type Paperback
Published in Sep 2014
Publisher
ISBN-13 9781783559589
Length 328 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Daniele Teti Daniele Teti
Author Profile Icon Daniele Teti
Daniele Teti
Arrow right icon
View More author details
Toc

Table of Contents (9) Chapters Close

Preface 1. Delphi Basics FREE CHAPTER 2. Become a Delphi Language Ninja 3. Going Cross Platform with FireMonkey 4. The Thousand Faces of Multithreading 5. Putting Delphi on the Server 6. Riding the Mobile Revolution with FireMonkey 7. Using Specific Platform Features Index

Using SQLite databases to handle a to-do list


Usually, the mobile apps read or write data using the network. In many cases, however, you need a local storage to save your data. A local database can be useful for a number of things:

  • To buffer information while the Internet connection is not available

  • To save information that will be realigned on the central server when back to the office

  • To allow you a fast search on a relatively small set of data retrieved from the central databases and stored on the device

  • To store some structured data.

In all these cases, you have to handle a database. This recipe will show you how to do it.

Getting ready

This recipe is about a to-do list. It is similar to the Using listview to show and search local data recipe, but in this case, we'll use a SQL database and show data to the user using LiveBindings. Moreover, we'll see how to create output converters for LiveBindings.

How to do it...

When you need a database on the mobile, you have two choices in Delphi: SQLite...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at ₹800/month. Cancel anytime