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Delphi Cookbook

You're reading from   Delphi Cookbook Recipes to master Delphi for IoT integrations, cross-platform, mobile and server-side development

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Product type Paperback
Published in Jul 2018
Publisher
ISBN-13 9781788621304
Length 668 pages
Edition 3rd Edition
Languages
Tools
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Authors (2):
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Daniele Teti Daniele Teti
Author Profile Icon Daniele Teti
Daniele Teti
Daniele Spinetti Daniele Spinetti
Author Profile Icon Daniele Spinetti
Daniele Spinetti
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Toc

Table of Contents (12) 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. Linux Development 8. Riding the Mobile Revolution with FireMonkey 9. Using specific platform features 10. Delphi and IoT 11. Other Books You May Enjoy

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 them 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 Delete button is only visible when an item is selected:

Figure 8.3: The Simple TODO app; when an item is selected, the Delete button is visible
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