Book Image

Expert Delphi

By : Paweł Głowacki
Book Image

Expert Delphi

By: Paweł Głowacki

Overview of this book

Delphi is the most powerful Object Pascal IDE and component library for cross-platform native app development. It enables building natively compiled, blazingly fast apps for all major platforms including Android, iOS, Windows, Mac, and Linux. If you want to build server-side applications, create web services, and have clear GUIs for your project, then this book is for you. The book begins with a basic primer on Delphi helping you get accustomed to the IDE and the Object Pascal language and will then quickly move on to advanced-level concepts. Through this book, we’ll help you understand the architecture of applications and will teach you the important concepts of the FireMonkey library, show you how to build server-side services, and enable you to interact with the Internet of Things. Towards the end, you will learn to integrate your app with various web services and deploy them. By the end of the book, you will be able to build powerful, cross-platform, native apps for iOS and Android with a single code base.
Table of Contents (14 chapters)

Notify me!

One of the most common ways of attracting a mobile device user to a particular app is to display a notification. When a new email arrives or somebody posts something on social media, we are typically presented with a notification. Clicking on it displays the app that sends the notification.

Delphi provides the TNotificationCenter component that can be used to display and react to notifications and display badge numbers on the app icon itself. That's a very common use case. You see a number next to your app icon and you know that there are unread emails or missed calls.

The TNotificationCenter component in the tool palette

Create a new, blank, multi-device app. Save the main form as uFormNotify and the project as NotifyMe. Add a toolbar with a label aligned to Client with Delphi Notifications text. Now, drop the TNotificationCenter component on the form. As a side...