Question 1

An app’s sound effects are managed with a(n)  ________ (package an-droid.media) , which can be used to load, play and unload sounds.

Accepted Answer

A)   Effects 
B)   SoundPool
C)   EffectsPool 
D)   SoundManager

Question 2

Method ________ of interface SurfaceHolder.Callback is called when the SurfaceView's size or orientation changes, and would typically be used to redisplay graphics based on those changes.

Accepted Answer

A)   surfaceSizeChanged
B)   surfaceOrientationChanged
C)   onSizeChanged
D)   surfaceChanged

Question 3

Methods getScreenWidth and getScreenHeight return the width and height of the screen, which are updated in the ________ method.

Accepted Answer

A)   onOrientationChanged
B)   onSizeChanged
C)   onConfigurationChanged
D)   None of the above

Question 4

When a View is inflated, its constructor is called with a Context and a(n)  ________ as arguments.

Accepted Answer

A)   SetOfAttributes
B)   Attributes
C)   OptionsSet
D)   AttributeSet

Question 5

Which of the following statements is false?

Accepted Answer

A)   More complex games might play many sounds at the same time. SoundPool.Builder's setMaxStreams method takes an argument that represents the maximum number of simultaneous sound streams that can play at once.
B)   A SparseIntArray maps integer keys to integer values. HashMap<Integer, Integer> is similar to-but more efficient than-a SparseIntArray for small numbers of key-value pairs.
C)   Each sound ID can be used to play a sound (and later to return its resources to the system) .
D)   SoundPool method load receives three arguments-the application's Context, a resource ID representing the sound file to load and the sound's priority.

Question 6

To obtain the Canvas for drawing on the SurfaceView, call SurfaceHolder method ________.

Accepted Answer

A)   getCanvas
B)   createCanvas
C)   newCanvas
D)   lockCanvas

Question 7

There are seven sound streams identified by AudioManager constants. The mu-sic stream ________ is recommended for sound in games, because this stream’s volume can be controlled via the device’s buttons.

Accepted Answer

A)   AudioManager.STREAM
B)   AudioManager.MUSIC
C)   AudioManager.STREAM_MUSIC
D)   AudioManager.SYMPHONY

Question 8

You can call Canvas's drawRect method to clear the Canvas. The method receives the rectangle's upper-left x-y coordinates, width and height, and the ________ object that specifies the drawing characteristics.

Accepted Answer

A)   Draw
B)   PaintSettings
C)   Paint
D)   DrawSettings

Question 9

A Frame-Layout is designed to display one View, but can also be used to ________ views.

Accepted Answer

A)   stack
B)   nest
C)   position
D)   layer

Question 10

Sounds are played using one of Android’s audio- ________ for alarms, music, notifications, phone rings, system sounds, phone calls and more.

Accepted Answer

A)   streams
B)   players 
C)   tools
D)   None of the above

Exam 6: Cannon Game App

When a View is inflated, its constructor is called with a Context and a(n) ________ as arguments.

Correct Answer
verified

Methods getScreenWidth and getScreenHeight return the width and height of the screen, which are updated in the ________ method.

Correct Answer
verified

Method ________ of interface SurfaceHolder.Callback is called when the SurfaceView's size or orientation changes, and would typically be used to redisplay graphics based on those changes.

Correct Answer
verified

There are seven sound streams identified by AudioManager constants. The mu-sic stream ________ is recommended for sound in games, because this stream’s volume can be controlled via the device’s buttons.

Correct Answer
verified

To obtain the Canvas for drawing on the SurfaceView, call SurfaceHolder method ________.

Correct Answer
verified

A Frame-Layout is designed to display one View, but can also be used to ________ views.

Correct Answer
verified

Which of the following statements is false?

Correct Answer
verified

Sounds are played using one of Android’s audio- ________ for alarms, music, notifications, phone rings, system sounds, phone calls and more.

Correct Answer
verified

You can call Canvas's drawRect method to clear the Canvas. The method receives the rectangle's upper-left x-y coordinates, width and height, and the ________ object that specifies the drawing characteristics.

Correct Answer
verified

An app’s sound effects are managed with a(n) ________ (package an-droid.media) , which can be used to load, play and unload sounds.

Correct Answer
verified

Exam 6: Cannon Game App

When a View is inflated, its constructor is called with a Context and a(n) ________ as arguments.

Correct AnswerverifiedShow Answer

Methods getScreenWidth and getScreenHeight return the width and height of the screen, which are updated in the ________ method.

Correct AnswerverifiedShow Answer

Method ________ of interface SurfaceHolder.Callback is called when the SurfaceView's size or orientation changes, and would typically be used to redisplay graphics based on those changes.

Correct AnswerverifiedShow Answer

There are seven sound streams identified by AudioManager constants. The mu-sic stream ________ is recommended for sound in games, because this stream’s volume can be controlled via the device’s buttons.

Correct AnswerverifiedShow Answer

To obtain the Canvas for drawing on the SurfaceView, call SurfaceHolder method ________.

Correct AnswerverifiedShow Answer

A Frame-Layout is designed to display one View, but can also be used to ________ views.

Correct AnswerverifiedShow Answer

Which of the following statements is false?

Correct AnswerverifiedShow Answer

Sounds are played using one of Android’s audio- ________ for alarms, music, notifications, phone rings, system sounds, phone calls and more.

Correct AnswerverifiedShow Answer

You can call Canvas's drawRect method to clear the Canvas. The method receives the rectangle's upper-left x-y coordinates, width and height, and the ________ object that specifies the drawing characteristics.

Correct AnswerverifiedShow Answer

An app’s sound effects are managed with a(n) ________ (package an-droid.media) , which can be used to load, play and unload sounds.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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