Chapter 6. Screen Layout Design: Views and Layouts

One of the most important parts of any application's design and development is the graphical user interface (GUI) and screen layout design. Many of the most widely circulated Android applications are popular because of their visual design, animated graphics, and easy- or fun-to-use interfaces. We will explore the Java classes that provide the core foundation for all of these front-end capabilities in this chapter.

Android View Hierarchies

In Google Android, in order to interface with the smartphone screen, you use two core Java classes. These are two of the most important and often used classes in Android development:

  • The View class

  • The ViewGroup class

View and ViewGroup are core, high-level classes, ...

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