Deck 2: Simplify the Android Studio User Interface

Question 1

Where do you need to put a picture file that will be used with an ImageView control?

A) pictures folder
B) resources folder
C) controls folder
D) drawable folder

Answer 1

B

Question 2

Comments in Java start with pound ( # ) signs.

Answer 2

False

Question 3

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

Answer 3

True

Question 4

When you import a package, you make all of the classes under that package available.

Question 5

Form factor refers to the manufacturer of a mobile device.

Question 6

Which type of layout organizes layout components in relation to each other?

A) Grid layout
B) Table layout
C) Linear layout
D) Relative layout

Question 7

When centering a control, what kind of line is displayed when you drag the control to the center of the emulator window?

A) a blue solid vertical line
B) a green dashed vertical line
C) a green solid vertical line
D) a red dashed horizontal line

Question 8

Before a mobile app can be coded using Java, it must be designed.

Question 9

What is designing a program most analogous to?

A) constructing a building
B) doing laundry
C) painting with watercolor
D) performing an experiment

Question 10

In which folder are resources for medium-density screens placed?

A) drawable-hdpi folder
B) drawable-ldpi folder
C) drawable-mdpi folder
D) drawable-medium folder

Question 11

What is contained in the Minimum SDK text box?

A) API number
B) compiler version
C) serial number
D) UPC code

Question 12

Which control can display an icon or a graphic such as a picture file or shape?

A) Display control
B) JPG control
C) ImageView control
D) Picture control

Question 13

Which of the following abbreviations is not a valid measurement unit for text display?

A) dp
B) ft
C) px
D) sp

Question 14

The Activity component is the point at which the application makes contact with the users.

Question 15

The Android Manifest file is not required, but it does make an application run faster.

Question 16

I t is a Java standard to begin a name with an uppercase letter, omit spaces, and emphasize each new word with an initial uppercase letter.

Question 17

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

Question 18

What does the unit sp stand for?

A) scaled-dependent pixels
B) scaled-independent pixels
C) size preference
D) standard pixel

Question 19

There are three phases to the program development life cycle.

Question 20

Which type of layout organizes layout components in a vertical column or horizontal row?

A) Table layout
B) Grid layout
C) Linear layout
D) Relative layout

Question 21

The ____________________ property sets the size of text in a control.

Question 22

Which of the following statements is a way of making more Java functions available to your specific program?

A) assignment statement
B) import statement
C) include statement
D) reference statement

Question 23

Which method displays the content of a specific screen?

A) drawContents method
B) getDisplay method
C) makeDisplay method
D) setContentView method

Question 24

What is a set of Java statements that can be included inside a Java class?

A) activity
B) block
C) intent
D) method

Question 25

What symbol indicates errors in program code?

A) blue solid lines
B) bolded text
C) green curly lines
D) red curly lines

Question 26

What are the components of a program that perform the tasks required in the program?

A) Activities
B) Event handlers
C) Processing objects
D) Task items

Question 27

Layout resources are stored as ____________________ code in the res/layout resource directory.

Question 28

Which of the following wait for user interaction.

A) Action subscribers
B) Event listeners
C) Polling objects
D) Targeted components

Question 29

What is the first phase of program development?

A) code the program
B) design the user interface
C) gather program requirements
D) test the program

Question 30

Which method creates an intent to start another Activity?

A) beginActivity method
B) createActivity method
C) prepareActivity method
D) startActivity method

Question 31

Which of the following terms best describes a piece of code that actually serves as a placeholder to declare itself?

A) control
B) inclusion
C) event handler
D) stub

Question 32

By default, the vertical Linear layout organizes each new control directly ____________________ the previous control.

Question 33

What is a part of a program coded to respond to a specific event?

A) action responder
B) event handler
C) response method
D) triggered method

Question 34

What is the entry point of an Activity?

A) begin method
B) onEntry method
C) onCreate method
D) prepare method

Question 35

What file lists the permissions needed to access other Android functions required by your app?

A) styles.xml
B) AndroidManifest.xml
C) activity_main.xml
D) Strings.xml

Question 36

A(n) ____________________ layout organizes components in a vertical column or a horizontal row.

Question 37

Which term best describes a blueprint or a template for creating objects by defining its properties?

A) app
B) class
C) control
D) widget

Question 38

What term best is best described as defining one particular variation of an object within a class?

A) initiate
B) instantiate
C) justify
D) stabilize

Question 39

In Java, what is a tap of the touch screen known as?

A) click event
B) display action
C) tap event
D) touch event

Question 40

You can use a combination of layouts, meaning you can ____________________ controls within one another.

Question 41

Any intent to start a new Activity requires a(n) ____________________ and the name of the Activity being opened.

Question 42

You can construct Activities using ____________________ layout files and a Java class.

Question 43

All Palette controls can use a property called ____________________ to provide a buffer from the top of the screen, to assist exact layout design.

Question 44

The ____________________ method creates an intent to start another activity.

Question 45

The Button control is provided in the ____________________ category in the Palette.

Question 46

The ____________________ method moves the Activity it is called with to the top of the Activity stack.

Question 47

A(n) ______________ is a set of Java statements that can be included inside a Java class.

Question 48

High-density images should be placed in the ____________________ folder under the res folder.

Question 49

You use the ____________________ property to name a control.

Question 50

A(n) _____________ is a piece of code that serves as a placeholder to declare itself.