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Delphi Cookbook

You're reading from   Delphi Cookbook Over 60 hands-on recipes to help you master the power of Delphi for cross-platform and mobile development on multiple platforms

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Product type Paperback
Published in Jun 2016
Publisher
ISBN-13 9781785287428
Length 470 pages
Edition 2nd Edition
Languages
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Author (1):
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Daniele Teti Daniele Teti
Author Profile Icon Daniele Teti
Daniele Teti
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Toc

Table of Contents (10) Chapters Close

Preface 1. Delphi Basics FREE CHAPTER 2. Becoming a Delphi Language Ninja 3. Knowing Your Friends – the Delphi RTL 4. Going Cross-Platform with FireMonkey 5. The Thousand Faces of Multithreading 6. Putting Delphi on the Server 7. Riding the Mobile Revolution with FireMonkey 8. 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 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 at 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 how to do it.

Getting ready

This recipe is about a to-do list. It is similar to the Using TListView to show and search local data recipe, but in this case, we'll use a SQL database and will 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 mobile database, you have two choices in Delphi: SQLite (an open...

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