Book Image

Delphi GUI Programming with FireMonkey

By : Andrea Magni
4 (1)
Book Image

Delphi GUI Programming with FireMonkey

4 (1)
By: Andrea Magni

Overview of this book

FireMonkey (FMX) is a cross-platform application framework that allows developers to create exciting user interfaces and deliver applications on multiple operating systems (OS). This book will help you learn visual programming with Delphi and FMX. Starting with an overview of the FMX framework, including a general discussion of the underlying philosophy and approach, you’ll then move on to the fundamentals and architectural details of FMX. You’ll also cover a significant comparison between Delphi and the Visual Component Library (VCL). Next, you’ll focus on the main FMX components, data access/data binding, and style concepts, in addition to understanding how to deliver visually responsive UIs. To address modern application development, the book takes you through topics such as animations and effects, and provides you with a general introduction to parallel programming, specifically targeting UI-related aspects, including application responsiveness. Later, you’ll explore the most important cross-platform services in the FMX framework, which are essential for delivering your application on multiple platforms while retaining the single codebase approach. Finally, you’ll learn about FMX’s built-in 3D functionalities. By the end of this book, you’ll be familiar with the FMX framework and be able to build effective cross-platform apps.
Table of Contents (18 chapters)
Section 1: Delphi GUI Programming Frameworks
Section 2: The FMX Framework in Depth
Section 3: Pushing to The Top: Advanced Topics

Adding animation, triggers, and effects

Exploring more advanced FMX styles, you will probably encounter some effects (TGlowEffect, to name one) or animations (TColorAnimation) that are placed inside style definitions.

We have already said that FMX has powerful graphic capabilities and these elements are actually important to achieve complex visual behaviors for the user. What you may be puzzled about is how such things that obviously need some triggering mechanisms can be stored in style definitions (which lack code or behavior information). FMX has a triggering mechanism that can be used to fire animations responding to some events or state changes in the component itself. The same applies to effects.

The typical triggers you may want to use are IsFocused, IsPressed, or IsSelected. Check the Trigger property of TAnimation and TEffect descendants to see the full list of possibilities. Also, note that animations have a TriggerInverse property for your convenience.

In the next section,...