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Delphi Cookbook

Delphi Cookbook - Second Edition

By : Daniele Teti
4.7 (10)
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Delphi Cookbook

Delphi Cookbook

4.7 (10)
By: Daniele Teti

Overview of this book

Delphi is a cross-platform Integrated Development Environment (IDE) that supports rapid application development for Microsoft Windows, Apple Mac OS X, Google Android, and Apple iOS. It helps you to concentrate on the real business and save yourself the pain of wandering amid GUI widget details, or having to tackle inter-platform incompatibilities. It also has a wide range of drag-and-drop controls, helping you code your business logic into your business model, and it compiles natively for desktop and mobile platforms. This book will teach you how to design and develop applications, deploy them on the cloud platform, and distribute them within an organization via Google Play and other similar platforms. You will begin with the basics of Delphi and get acquainted with JSON format strings, XSLT transformations, unicode encodings and various types of streams. We then move on to more advanced topics such as developing higher-order functions and using enumerators and RTTI. You will get an understanding of how Delphi RTL functions and how to use FireMonkey in a VCL application. We will then cover topics such as multithreading, using the parallel programming library and putting Delphi on a server. We will also take a look at the new feature of WebBroker Apache modules and then ride the mobile revolution with FireMonkey. By the end of the book, you will be able to develop and deploy cross-platform applications using Delphi .
Table of Contents (10 chapters)
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9
Index

Do not block the main thread!


Long requests to external systems such as storage, databases, hardware, and networks have always been difficult to handle from a user experience point of view. For the programmers, it is simple to run the long request and, when finished (after seconds, minutes, or hours), inform the user that their data is there. However, we should care about user experience even more in the mobile world.

Getting ready

If your app runs a long-running request and the UI is frozen, the user might think that something is going wrong and start to tap here and there to try to unblock the app. After some seconds, either the operating system itself will close the app, or the user will push the Home button to close your app and then, usually, uninstall it. Yes, user experience is one of the most important things on mobile. Consider that, like a desktop, the user experience should be of primary importance, but what I want to emphasize is that while on desktop you may have patient users...

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Delphi Cookbook
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