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

Question 1

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

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

Answer 1

C

Question 2

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

Answer 2

False

Question 3

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

Answer 3

False

Question 4

A good example of a professional city guide is ____.

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

Question 5

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

Question 6

The default generic layout is simple list item ____.

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

Question 7

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

Question 8

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

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

Question 9

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

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

Question 10

Displaying lists is rarely used as a design pattern in mobile applications.

Question 11

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

Question 12

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

Question 13

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

Question 14

The reference for an array is enclosed in ____.

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

Question 15

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

Question 16

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

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

Question 17

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

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

Question 18

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

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

Question 19

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

Question 20

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

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

Question 21

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 22

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

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

Question 23

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

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

Question 24

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

Question 25

A generic layout that displays checkboxes is ____.

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

Question 26

URL stands for ____.

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

Question 27

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

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

Question 28

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

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

Question 29

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 30

The ____ is not supported in Android.

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

Question 31

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

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

Question 32

In an ImageView manifest element, the property that refers to the image file to display is android:____.

A) id
C) layout_marginTop
B) layout_height
D) src

Question 33

The options inside a switch statement are enclosed between ____.

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

Question 34

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

Question 35

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

Question 36

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

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

Question 37

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

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

Question 38

Apps can talk to each other very simply using ____.

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

Question 39

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

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

Question 40

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

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

Question 41

The standard generic layout for ListView is ____________________.

Question 42

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

Question 43

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

Question 44

Testing an Android app is called ____________________.

Question 45

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

Question 46

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

Question 47

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

Question 48

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

Question 49

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

Question 50

URI is short for ____________________.