Exam 2: Simplify the Android User Interface

The Android SDK includes two types of button controls: Button and ToggleButton.

When you ____ a class, you define one particular variation of the object within a class.

An object is a specific, concrete instance of a class.

The term ____________________ in the examples refers to the current Activity.

The most popular free Android app is ____.

The ____ control can display an icon or a graphic such as a picture file or shape.

Using a(n) ____________________ layout, components can be placed to the left of, to the right of, above, or below another component.

Designing a program is analogous to ____.

____ wait for user interaction.

The ____ method creates an intent to start another Activity.