|2||Building User Interfaces and Basic Applications|
In this chapter you will:
Become familiar with Android’s user interface (UI) structure.
Learn about text input widgets and how to configure the soft keyboard.
Views, widgets, and how the
R.java class is constructed.
Implement applications that require various User Interface Controls.
Examine Adaptive Design Concepts.
Learn how to organize screen content using
Learn how to use Adapters to create sophisticated user interfaces.
■ 2.1 Android User Interface
A user interface is essentially a collection of visual objects arranged on the screen; the user can see them and interact with them. Every Android application requires ...