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Delphi GUI Programming with FireMonkey

You're reading from   Delphi GUI Programming with FireMonkey Unleash the full potential of the FMX framework to build exciting cross-platform apps with Embarcadero Delphi

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Product type Paperback
Published in Oct 2020
Publisher Packt
ISBN-13 9781788624176
Length 546 pages
Edition 1st Edition
Languages
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Author (1):
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Andrea Magni Andrea Magni
Author Profile Icon Andrea Magni
Andrea Magni
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Table of Contents (18) Chapters Close

Preface 1. Section 1: Delphi GUI Programming Frameworks
2. Introducing the FireMonkey Framework FREE CHAPTER 3. Exploring Similarities and Differences with VCL 4. Section 2: The FMX Framework in Depth
5. Mastering Basic Components 6. Discovering Lists and Advanced Components 7. Using FireDAC in FMX Applications 8. Implementing Data Binding 9. Understanding FMX Style Concept 10. Divide and Conquer with TFrameStand 11. Building Responsive UIs 12. Orchestrating Transitions and Animations 13. Section 3: Pushing to The Top: Advanced Topics
14. Building Responsive Applications 15. Exploring Cross-Platform Services 16. Learning about FMX 3D Capabilities 17. Other Books You May Enjoy

Handling changes in device orientation

Similar arguments can be applied to the next aspect I've listed: changes in screen orientation (within the lifetime of the application).

I am making the base assumption that we are talking about screens with an aspect ratio that isn't one (squared screen). This is an easy assumption to make regarding classic devices (desktop and mobile), but less certain if we also consider IoT or wearables devices. Having an aspect ratio of one, however, may greatly simplify the problem (but other peculiar aspects may arise as well).

Even if it's not an absolute truth, you are unlikely to find a desktop device where the orientation of the screen can be easily changed by the user during normal operation. On the other hand, the opposite generally applies to most mobile devices. Therefore, we can safely use the device family again to determine whether our UI will need to adapt to match a change in orientation of the screen.

In practical terms...

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