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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

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Product type Paperback
Published in Sep 2014
Publisher
ISBN-13 9781783559589
Length 328 pages
Edition 1st 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 (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 listview to show and search local data


In many cases, on a mobile app, data is read from remote servers and then locally stored to make it available without 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 listview.

Getting ready

This recipe is simple and short, 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 visible only when an item is selected.

The Simple TODO 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 | FireMonkey Mobile 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...

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