Book Image

Expert Delphi - Second Edition

By : Marco Cantù, Paweł Głowacki
Book Image

Expert Delphi - Second Edition

By: Marco Cantù, Paweł Głowacki

Overview of this book

Master Delphi, the most powerful Object Pascal IDE and versatile component library for cross-platform native app development, by harnessing its capabilities for building natively compiled, blazingly fast apps for all major platforms, including Android, iOS, Windows, Mac, and Linux. Expert Delphi begins with a quick overview of Delphi, helping you get acquainted with the IDE and the Object Pascal language. The book then quickly progresses to more advanced concepts, followed by the architecture of applications and the FireMonkey library, guiding you through building server-side services, parallel programming, and database access. Toward the end, you’ll learn how to integrate your app with various web services and deploy them effectively. By the end of this book, you’ll be adept at building powerful, cross-platform, native apps for iOS, Android, Windows, and macOS—all from a single code base.
Table of Contents (21 chapters)
Free Chapter
1
Part 1: Building Blocks
6
Part 2: Going Mobile
12
Part 3: From Data to Services
19
Index

Deploying to app stores

You have built your app and tested it on multiple different devices with different versions of supported mobile operating systems, and now you feel that you are ready to make it available in an app store.

Before submitting your app, you need to have artwork in place and a number of screenshots from different devices that you plan to support. You might want to ask a professional graphic artist to provide them with the required app artwork, including app icons and splash screens.

Let’s go through the steps of publishing your app to different mobile app stores. As an example, we are going to use an updated version of the MyMoleculeHero demo app that Paweł had written and published. The app is a 3D chemical molecule viewer that reads data from a Protein Data Bank (PDB) file format and generates models made of spheres and cylinders, which can be watched from different points of view.

The app uses the techniques described in Chapter 6 of this...