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Exam 1: Introduction to Android

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Question 1

Multiple Choice

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Classes ________ (i.e., wrap) attributes and methods into objects—an object’s attributes and methods are intimately related.

A) encumber.
B) enclose.
C) encapsulate.
D) envelop.

Correct Answer

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C

Question 2

Multiple Choice

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Android uses a collection of ________, which are named groups of related, predefined classes. Some of these are Android specific, some are Java specific and some are Google specific. They allow you to conveniently access Android OS features and incorporate them into your apps.

A) modules.
B) packages.
C) containers.
D) None of the above.

Correct Answer

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B

Question 3

Multiple Choice

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Which Android Marshmallow feature is described by: "Tap and hold the home button while inside any app and Google Now inspects what's on the screen and presents relevant information in the form of cards. For example, in a text message discussing a movie, a card containing information about that movie is displayed.

To simulate a long press gesture on the Android emulator:

In addition to directly programming portions of your apps, you'll also use the Android Studio IDE to conveniently ________ predefined objects such as buttons and textboxes into place on your screen, and label and resize them.

Which of the following was a new Android 3.0 developer feature:

Which of the following is a key technlogy for implementing Android apps?

At the time Android How to Program, 3/e was written, there were over 1.6 million apps in Google Play, and the number is growing quickly.

Which of the following is a set of APIs for incorporating Google functionality into your apps?

The ________ , included in the Android SDK, allows you to run Android apps in a simulated environment within Windows, Mac OS X or Linux, without us-ing an actual Android device.

Which gesture is used to flip item-by-item through a series, such as photos?

Unlike Apple’s ________ iOS, which is available only on Apple devices, An-droid is available on devices from dozens of original equipment manufacturers (OEMs) and through numerous telecommunications carriers worldwide.

One benefit of developing Android apps is the openness of the platform. The operating system is ________ and free. This allows you to view Android's source code and see how its features are implemented.

In 2007, the ________ was formed to develop, maintain and evolve Android, driving innovation in mobile technology and improving the user experience while reducing costs.

With web services, you can create ________, which enable you to rapidly develop apps by quickly combining complementary web services, often from different organizations and possibly other forms of information feeds.

________ are software components stored on one computer that can be accessed by an app (or other software component) on another computer over the Internet.

What key Android Ice Cream Sandwich developer feature is described by the following? "Using the camera, compatible devices can determine the positioning of the user's eyes, nose and mouth. The camera also can track the user's eye movement, allowing you to create apps that change perspective, based on where the user is looking."

Which of the following statements is false?

A class's attributes are specified by the class's ________.

To create the best solutions, you should follow a detailed analysis process for determining your project's ________ (i.e., defining what the system is supposed to do) and developing a design that satisfies them (i.e., deciding how the system should do it) .