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Expert Delphi

You're reading from   Expert Delphi Robust and fast cross-platform application development

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Product type Paperback
Published in Feb 2024
Publisher Packt
ISBN-13 9781805121107
Length 424 pages
Edition 2nd Edition
Languages
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Authors (2):
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Marco Cantù Marco Cantù
Author Profile Icon Marco Cantù
Marco Cantù
Paweł Głowacki Paweł Głowacki
Author Profile Icon Paweł Głowacki
Paweł Głowacki
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Toc

Table of Contents (21) Chapters Close

Preface 1. Part 1: Building Blocks FREE CHAPTER
2. Chapter 1: Fasten Your Seat Belts 3. Chapter 2: Mind Your Language 4. Chapter 3: Packing Up Your Toolbox 5. Chapter 4: Using the Parallel Programming Library 6. Part 2: Going Mobile
7. Chapter 5: Playing with FireMonkey 8. Chapter 6: FireMonkey in 3D 9. Chapter 7: Building User Interfaces with Style 10. Chapter 8: Working with Mobile Operating Systems 11. Chapter 9: Desktop Apps and Mobile Bridges 12. Part 3: From Data to Services
13. Chapter 10: Embedding Databases 14. Chapter 11: Integrating with Web Services 15. Chapter 12: Building Mobile Backends 16. Chapter 13: Easy REST API Publishing with RAD Server 17. Chapter 14: App Deployment 18. Chapter 15: The Road Ahead 19. Index
20. Other Books You May Enjoy

Taking photos

There are many occasions when it is useful to be able to take a photo from an app. The programming model is very easy, but it is not the TCamera component that you need to use. In FireMonkey, taking photos is achieved by executing a special take photo from camera action. The following steps take you through building a demo based on that action:

  1. Create a new blank multi-device FireMonkey application. Save the main form’s unit as uFormCam and the project as CamApp, and change the Name property of the form to FormCam.
  2. Change the Style setting in the combobox above the form to iOS or Android.
  3. Drop a TImage component on the form, rename it to ImagePhoto, and align it to Client.
  4. Add a TToolBar component and drop a TSpeedbutton onto the ToolBar1 control. Change its Name to SpdbtnTakePhoto and the button’s Stylelookup property to cameratoolbutton, align it to Left, and adjust the width so it becomes a square.
  5. Drop a TActionList component...
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