View Objects and Layout Resource Files

Android Tutorials - Herong's Tutorial Examples

∟View Objects and Layout Resource Files

This chapter provides tutorial notes on View objects and Layout resource files. Topics include the android.view.View base class; View, ViewGroup and layout objects; creating view objects in Java code; defining layouts in Layout Resource Files; identifying and referring layouts; Inserting view objects in the layout hierarchy.

android.view.View Class - Base of User Interface Components

View, ViewGroup, Layout, and Widget

What Is Layout Resource File?

AndroidView v1.0 - Creating a Layout in Java Class

AndroidView v2.0 - Creating a Layout in Resource File

AndroidView v3.0 - Referencing Views in Resource Files

AndroidView v3.1 - Layouts with Vertical Orientation

AndroidView v3.2 - Layouts with Horizontal Orientation

AndroidView v4.0 - Inserting Views to Parent Layout

Takeaways:

android.view.View class is the base class for all view and layout classes.
android.view.ViewGroup class is the base class for all view layout classes that can contain other View objects as children.
View and layout objects can be defined in layout resource files.
View and layout objects can be created in Java code.
View object hierarchy can be constructed to represent complex UI representation.