Chapter 1, Building an Instagram Clone, introduces the basics of layouts and responsiveness on Android and iOS platforms and also how to use SVG icons, camera features, permissions, and a mobile device's media library.
Chapter 2, Building a Facebook REST API, deals with building an application that consumes the Facebook REST API using native REST components and working with JSON.
Chapter 3, Cross-Platform Services for Windows, iOS, and Android, covers how service applications take requests from client applications, process those requests, and return information to client applications. It also covers how they typically run in the background, without much user input.
Chapter 4, Design Patterns to Build a Multi-Database System, deals with design patterns such as singleton, repository, and others for creating multi-database applications and isolating business rules from forms.
Chapter 5, Creating GUI Apps with FireMonkey, introduces the concepts of Material Design and simulates the use of Material Design using FireMonkey visual components.
Chapter 6, Implementing Tethering to Create a Remote Control, introduces app-tethering technology, and how to turn a mobile device into a remote control for a computer (using Wi-Fi or Bluetooth connections).
Chapter 7, Building Microservices Using the RAD Server, shows how to develop microservices architecture implement it in Delphi, and use a non-centralized architecture, where we can perform different functions on different platforms.