Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
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 Over 60 hands-on recipes to help you master the power of Delphi for cross-platform and mobile development on multiple platforms

Arrow left icon
Product type Paperback
Published in Jun 2016
Publisher
ISBN-13 9781785287428
Length 470 pages
Edition 2nd 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 (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 TListView to show and search local data


In many cases with mobile apps, data is read from remote servers and then stored locally to make it available even without an Internet connection. In this recipe, you'll see how to read and write to a file as well as how to show and search that data in a TListView.

Getting ready

This recipe is short and simple, but it is really useful because the concepts exposed are reusable and allow you to gain confidence with some very important best practices. The final aspect of the app is shown in the following screenshot. Note that the remove button is visible only when an item is selected:

The Simple to-do app; when an item is selected, the Delete button is visible

How to do it…

  1. Create a new mobile app by navigating to File | New | Other… | Delphi Projects | Multi-Device Application.

  2. Choose the Header/Footer template and click on OK.

  3. As soon as Delphi creates the project template, save all the files with the following names:

    • Save the project as SimpleTODO.dproj...

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 $19.99/month. Cancel anytime