Deck 5: Investigate Android Lists, Arrays, and Web Browsers

Question 1

Using the ____ control allows you to create a two-level list.

A) ExpandableListView
B) ListView
C) MajorListView
D) TwoListView

Answer 1

A

Question 2

When publishing apps, you must be careful to follow copyright law.

Answer 2

True

Question 3

The default generic layout is simple list item ____.

A) 1
B) 2
C) checked
D) multiple_choice

Answer 3

A

Question 4

Displays of lists are rarely used as a design pattern in mobile applications.

Question 5

Switch statements do not allow ranges such as 10-40 to match a case.

Question 6

Creating an ArrayAdapter with a non-standard layout requires fewer arguments than usual because the layout does not need to be specified.

Question 7

A good example of a professional city guide is ____.

A) CitySpaces
B) MetroAdvisor
C) CitySeer
D) TripAdvisor

Question 8

It is important to verify that the links in your app are not broken.

Question 9

The first item in an array is referenced using index 0.

Question 10

You can use a(n) ____ control to display lists.

A) ArrayView
B) ItemView
C) ListView
D) SelectorView

Question 11

A(n) ____ variable allows you to store multiple values in one variable at the same time.

A) array
B) index
C) list
D) temporary

Question 12

When you create a new class, you do not need to reference it in the Android Manifest file.

Question 13

If the primary purpose of a class is to display a ListView control, it is recommended to extend the class from ____.

A) Activity
B) ListActivity
C) SelectionActivity
D) ViewingActivity

Question 14

It is not necessary to use the break keyword to end a case statement; it is automatically terminated by the next case keyword.

Question 15

The reference for an array is enclosed in ____.

A) {}
B) []
C) ()
D) <>

Question 16

A(n) ____ provides a data model for the layout of the list.

A) abstraction
B) adapter
C) blueprint
D) skeleton

Question 17

If a Java View list exceeds the length of the screen, the list is ____.

A) made scrollable
B) paginated
C) shrunk to fit
D) truncated

Question 18

A switch statem ent can also be implemented as a chain of if/else statements.

Question 19

When you allocate an empty array, the number of elements in the array is equal to the index specified when allocating the array.

Question 20

The ____ method projects your data to the onscreen list by connecting a ListView object to array data.

A) createViewAdapter
B) projectArrayAdapter
C) setListAdapter
D) useListAdapter

Question 21

The strings.xml file is located in the res/____ folder.

A) drawable-hdpi
B) drawable-mdpi
C) layout
D) values

Question 22

The intent action ____ opens a Web browser on the Android.

A) ACTION_VIEW
B) BROWSE_VIEW
C) HTTP_VIEW
D) WEB_VIEW

Question 23

Suppose you wanted to declare a variable called mat that is an array of arrays of ints. The code to declare this variable would be ____________________.

Question 24

The options inside a switch statement are enclosed between ____ .

A) [ and ]
B) { and }
C) | and |
D) begin and end

Question 25

The switch keyword is followed by an integer expression enclosed in ____ .

A) {}
B) <>
C) []
D) ()

Question 26

To refer to the elements of an array called "travel" in the manifest, the proper reference is android:text="____" .

A) @+id/travel
B) @+travel
C) @travel
D) travel

Question 27

To refer to an icon called "myIcon. pn g'' in the manifest file, the correct reference is android:icon="____" .

A) @drawable/myIcon
B) @dpi/myIcon
C) drawable-hdpi/myIcon
D) myIcon

Question 28

If no matching case statement is found, the ____ statement, if it exists, is executed.

A) default
B) finally
C) preferred
D) try

Question 29

When a list item is selected, its ____ is passed to the executing code.

A) bytecode
B) name
C) position
D) signature

Question 30

URL stands for ____.

A) Uniform Resource Locator
B) Universal Resource Locator
C) Unknown Resource Leash
D) Upstream Responsibility Lock

Question 31

When opening a Web site with an intent, the last argument is a(n) ____.

A) image
B) string
C) URI
D) URL

Question 32

The ____ browser is not supported in Android.

A) Firefox
B) Internet Explorer
C) Opera
D) Skyfire

Question 33

Each individual item in an array is called a(n) ____________________.

Question 34

The code to declare and initialize an array (in one statement) called fruit that holds the strings "Apple" , "Mango" , and "Pear" , in that order, is _____________________________________________.

Question 35

A generic layout that displays checkboxes is ____.

A) boxed_list_item
B) checked_list_item
C) list_item_checked
D) simple_list_item_checked

Question 36

The code to access the fifth element of an array called names is ____________________.

Question 37

The ____ is called when an item in a list is selected.

A) clicked
B) itemClicked
C) itemWasClicked
D) onListItemClick

Question 38

The ____ statement allows you to choose from many statements based on an integer or single character input.

A) choose
B) option
C) select
D) switch

Question 39

Each item in the array is referenced using a(n) ____________________.

Question 40

Apps can talk to each other very simply using ____.

A) activities
B) classes
C) intents
D) values

Question 41

The type of a ListAdapter that operates on an array of String objects is ____________________.

Question 42

Testing an Android app is called ____________________.

Question 43

The standard generic layout for ListView is ____________________.

Question 44

URI is short for ____________________.

Question 45

The variable ____________________ determines the String displayed as the title of the app.

Question 46

In a switch statement, each option must begin with the ____________________ keyword.

Question 47

A Web site address may also be called a(n) ____________________.

Question 48

A browser is launched with Android code using a(n) ____________________.

Question 49

The code to declare and initialize an empty array of 10 ints, called "digits" , is ______________________________.

Question 50

Typically, each case option in a switch statement ends with the keyword ____________________.