Question 1

Which feature in Java executes a one-time task?

Accepted Answer

A)  alarm 
B)  start 
C)  task 
D)  timer 
A)  alarm 
B)  start 
C)  task 
D)  timer D

Question 2

Why might a music player fail to play a given file?

Accepted Answer

A)  the file format is unsupported 
B)  another file is already playing 
C)  the file is stored on the memory card 
D)  the volume is too high 
A)  the file format is unsupported 
B)  another file is already playing 
C)  the file is stored on the memory card 
D)  the volume is too high A

Question 3

Java allows only one thread of execution at a time.

Accepted Answer

A) True 
 B)False  False

Question 4

Which method will temporarily stop music while it is playing?

Accepted Answer

A)  cease 
B)  pause 
C)  start 
D)  stop 
A)  cease 
B)  pause 
C)  start 
D)  stop

Question 5

Which of the following classes comes with the Android platform to play audio and video files?

Accepted Answer

A)  iTunes 
B)  MediaPlayer 
C)  Player 
D)  VideoPlayer 
A)  iTunes 
B)  MediaPlayer 
C)  Player 
D)  VideoPlayer

Question 6

What type of variable is visible in multiple methods throughout the program?

Accepted Answer

A)  scope variable 
B)  class variable 
C)  local variable 
D)  universal variable 
A)  scope variable 
B)  class variable 
C)  local variable 
D)  universal variable

Question 7

The ____________________ method releases resources and frees up memory connected to an Activity.

Accepted Answer

The answer of The ____________________ method releases resources and frees...

Question 8

What is the most common file type of media supported for audio playback on the Android?

Accepted Answer

A)  midi 
B)  mp3 
C)  ogg 
D)  wav 
A)  midi 
B)  mp3 
C)  ogg 
D)  wav

Question 9

It's not necessary to understand the life cycle of an app in order to code it.

Accepted Answer

A) True 
 B)False

Question 10

Which type of variable ceases to exist when execution of its declaring method completes?

Accepted Answer

A)  constant 
B)  global 
C)  local 
D)  static 
A)  constant 
B)  global 
C)  local 
D)  static

Question 11

When you write the code to create a TimerTask , the start() method can be created as an auto-generated method stub.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following statements creates a new instance of MediaPlayer and assigns it to mpTrombone?

Accepted Answer

A)  MediaPlayer.new(mpTrombone); 
B)  mpTrombone = MediaPlayer.create(); 
C)  MediaPlayer.create(mpTrombone); 
D)  mpTrombone = new MediaPlayer(); 
A)  MediaPlayer.new(mpTrombone); 
B)  mpTrombone = MediaPlayer.create(); 
C)  MediaPlayer.create(mpTrombone); 
D)  mpTrombone = new MediaPlayer();

Question 13

In a camera app, the next step in the life cycle after tapping the button to take a picture is to call on which method?

Accepted Answer

A)  onPause() to let the user do something else 
B)  onRestart() to restart the rest of the app 
C)  onResume() to reactivate the camera 
D)  onStop() to hide the live image 
A)  onPause() to let the user do something else 
B)  onRestart() to restart the rest of the app 
C)  onResume() to reactivate the camera 
D)  onStop() to hide the live image

Question 14

When buying a phone, what specification should be considered to allow more music to be stored?

Accepted Answer

A)  memory 
B)  number of speakers 
C)  screen size 
D)  text plan 
A)  memory 
B)  number of speakers 
C)  screen size 
D)  text plan

Question 15

The ____________________ of a variable refers to the variable's visibility within a class.

Accepted Answer

The answer of The ____________________ of a variable refers to...

Question 16

If an Activity is hidden, the onStart() method makes the Activity visible.

Accepted Answer

A) True 
 B)False

Question 17

What is the TextView property for backgrounds?

Accepted Answer

A)  graphic 
B)  background 
C)  picture 
D)  image 
A)  graphic 
B)  background 
C)  picture 
D)  image

Question 18

Which property of an Activity determines whether the Activity is active, paused, stopped, or dead.

Accepted Answer

A)  label 
B)  name 
C)  state 
D)  tag 
A)  label 
B)  name 
C)  state 
D)  tag

Question 19

On an Android, what is 1000 milliseconds equivalent to in seconds?

Accepted Answer

A)  0.1 seconds 
B)  1 second 
C)  10 seconds 
D)  100 seconds 
A)  0.1 seconds 
B)  1 second 
C)  10 seconds 
D)  100 seconds

Question 20

A delay timer is scheduled in milliseconds using the Timer class.

Accepted Answer

A) True 
 B)False

Which feature in Java executes a one-time task?

Why might a music player fail to play a given file?

Java allows only one thread of execution at a time.

Which method will temporarily stop music while it is playing?

Which of the following classes comes with the Android platform to play audio and video files?

What type of variable is visible in multiple methods throughout the program?

The ____________________ method releases resources and frees up memory connected to an Activity.

What is the most common file type of media supported for audio playback on the Android?

It's not necessary to understand the life cycle of an app in order to code it.

Which type of variable ceases to exist when execution of its declaring method completes?

When you write the code to create a TimerTask , the start() method can be created as an auto-generated method stub.

Which of the following statements creates a new instance of MediaPlayer and assigns it to mpTrombone?

In a camera app, the next step in the life cycle after tapping the button to take a picture is to call on which method?

When buying a phone, what specification should be considered to allow more music to be stored?

The ____________________ of a variable refers to the variable's visibility within a class.

If an Activity is hidden, the onStart() method makes the Activity visible.

What is the TextView property for backgrounds?

Which property of an Activity determines whether the Activity is active, paused, stopped, or dead.

On an Android, what is 1000 milliseconds equivalent to in seconds?

A delay timer is scheduled in milliseconds using the Timer class.

Voila Meeting the Android Using Android Studio

Simplify the Android Studio User Interface

Engage Android User Input, Variables, and Operations

Explore Icons and Decision Making Controls

Investigate Android Lists, Arrays, and Web Browsers

Reveal Displaying Pictures in a Gridview

Design Using a Datepicker on a Tablet

Customize Navigating With Tabs on a Tablet App

Move Creating Animation and Graphics

Discover Persistent Data

Finale Publishing Your Android App

Filters

Exam 6: Jam Implementing Audio in Android Apps

Which feature in Java executes a one-time task?

Why might a music player fail to play a given file?

Java allows only one thread of execution at a time.

Which method will temporarily stop music while it is playing?

Which of the following classes comes with the Android platform to play audio and video files?

What type of variable is visible in multiple methods throughout the program?

The ____________________ method releases resources and frees up memory connected to an Activity.

What is the most common file type of media supported for audio playback on the Android?

It's not necessary to understand the life cycle of an app in order to code it.

Which type of variable ceases to exist when execution of its declaring method completes?

When you write the code to create a TimerTask , the start() method can be created as an auto-generated method stub.

Which of the following statements creates a new instance of MediaPlayer and assigns it to mpTrombone?

In a camera app, the next step in the life cycle after tapping the button to take a picture is to call on which method?

When buying a phone, what specification should be considered to allow more music to be stored?

The ____________________ of a variable refers to the variable's visibility within a class.

If an Activity is hidden, the onStart() method makes the Activity visible.

What is the TextView property for backgrounds?

Which property of an Activity determines whether the Activity is active, paused, stopped, or dead.

On an Android, what is 1000 milliseconds equivalent to in seconds?

A delay timer is scheduled in milliseconds using the Timer class.

Voila Meeting the Android Using Android Studio

Simplify the Android Studio User Interface

Engage Android User Input, Variables, and Operations

Explore Icons and Decision Making Controls

Investigate Android Lists, Arrays, and Web Browsers

Reveal Displaying Pictures in a Gridview

Design Using a Datepicker on a Tablet

Customize Navigating With Tabs on a Tablet App

Move Creating Animation and Graphics

Discover Persistent Data

Finale Publishing Your Android App

Filters