Question 1

As the user interacts with the preferences GUI, the preferences are automatically stored into a ________ file on the device. If the file does not exist, it will be created; otherwise, it will be updated.

Accepted Answer

A)  Preferences 
B)  SharedPreferences 
C)  Settings 
D)  Configuration

Question 2

Setting the layout:height property to 0dp will let a View's height be determined by the ________ property.

Accepted Answer

A)  layout:weight 
B)  layout:width 
C)  layout:automatic 
D)  None of the above

Question 3

You can force a menu item to display on the app bar, in which case it's known as a(n) ________-by default, this is displayed as the menu item's icon (if there is one).

Accepted Answer

A)  task 
B)  button 
C)  action 
D)  None of the above

Question 4

A ________ animation moves a View within its parent.

Accepted Answer

A)  alpha 
B)  scale 
C)  rotate 
D)  translate

Question 5

You could define a ________ for a Button's background color that specifies different colors for the Button's pressed, unpressed, enabled and disabled states.

Accepted Answer

A)  color state list 
B)  color list 
C)  color group 
D)  color state group

Question 6

Resource folder names that begin with ________ contain XML files that define property animations, which change the value of an object’s property over time.

Accepted Answer

A)  animator 
B)  anim 
C)  animation 
D)  None of the above.

Question 7

Which of the following statements is false?

Accepted Answer

A)  You can set an AlertDialog's title (which appears above the dialog's message) with AlertDialog.Builder method setTitle. 
B)  According to the Android design guidelines for dialogs, most dialogs need titles. 
C)  A dialog should display a title for "a high-risk operation involving potential loss of data, connectivity, extra charges, and so on." 
D)  Dialogs that display lists of options use the title to specify the dialog's purpose.

Question 8

Each Activity declared in the AndroidManifest.xml file can specify ________ indicating actions the Activity is capable of handling.

Accepted Answer

A)  intent extractors 
B)  activity filters 
C)  intent filters 
D)  None of the above

Question 9

It's often easiest to select a particular GUI component in ________.

Accepted Answer

A)  the design area 
B)  the Component Tree window 
C)  XML 
D)  None of the above

Question 10

You specify the number of times an animation should repeat with Animation method ________.

Accepted Answer

A)  setRepetitions 
B)  repetitions 
C)  setRepeatCount 
D)  repeatCount

Question 11

Which of the following three statements is false?

Accepted Answer

A)  You must create the AndroidManifest.xml file when you create an app. 
B)  All activities in an Android app must be listed in the app’s manifest file. 
C)  When you add an activity to a project, the IDE will also add it to the mani-fest file. 
D)  All of the above statements are false.

Question 12

You can provide String resources for different languages and regions. Android uses resource folders with ________ to choose the appropriate images, based on a device’s pixel density, and the correct language strings, based on a device’s locale and region settings.

Accepted Answer

A)  qualified names 
B)  disqualified names 
C)  unqualified names 
D)  None of the above.

Question 13

A FragmentManager can use ________ to dynamically add, remove and transition between Fragments.

Accepted Answer

A)  Transactions 
B)  FragmentTransactions 
C)  FragmentTransitions 
D)  Transitions

Question 14

Method onCreateView is called after onCreate to build and return a View con-taining the Fragment’s GUI. This method receives a(n) ________, which you’ll use to programmatically inflate a Fragment’s GUI from the components speci-fied in a predefined XML layout.

Accepted Answer

A)  Inflater 
B)  GUICreator 
C)  GUIInflater 
D)  LayoutInflater

Question 15

In what thread does a Handler's Runnable execute?

Accepted Answer

A)  the GUI thread 
B)  the thread that created the Handler 
C)  a new thread that the Handler creates 
D)  None of the above

Question 16

Setting a Button's style property to @android:style/Widget.Material.Button.Colored causes the Button to take on a colored appearance, based on the colors of the app's theme. The Buttons' color will be the theme's ________.

Accepted Answer

A)  accent color 
B)  primary color 
C)  dark primary color 
D)  None of the above

Question 17

If multiple activities can handle the action and data passed to startActivity, the system will ________.

Accepted Answer

A)  display a dialog in which the user can select the activity to use 
B)  choose the first matching Activity 
C)  select a random Activity 
D)  None of the above

Question 18

Which of the following statements is false?

Accepted Answer

A)  You can use a color state list to define separate colors for when Buttons are enabled or disabled. 
B)  Resource folder names that begin with raw contain resource files (such as audio clips) that are read into an app as streams of bytes. You use such resources to play sounds. 
C)  Resource folder names that begin with xml contain XML files that do not fit into the other resource categories-often XML data files used by the app. 
D)  All of the above are true.

Question 19

Method inflate returns a reference to a ________ that contains the inflated GUI.

Accepted Answer

A)  Layout 
B)  Inflator 
C)  View 
D)  RelativeLayout

Question 20

Which of the following is not a tweened animation that you can include in an animation set?

Accepted Answer

A)  alpha 
B)  scale 
C)  rotate 
D)  flip

Exam 4: Flag Exam App

As the user interacts with the preferences GUI, the preferences are automatically stored into a ________ file on the device. If the file does not exist, it will be created; otherwise, it will be updated.

Setting the layout:height property to 0dp will let a View's height be determined by the ________ property.

You can force a menu item to display on the app bar, in which case it's known as a(n) ________-by default, this is displayed as the menu item's icon (if there is one) .

A ________ animation moves a View within its parent.

You could define a ________ for a Button's background color that specifies different colors for the Button's pressed, unpressed, enabled and disabled states.

Resource folder names that begin with ________ contain XML files that define property animations, which change the value of an object’s property over time.

Which of the following statements is false?

Each Activity declared in the AndroidManifest.xml file can specify ________ indicating actions the Activity is capable of handling.

It's often easiest to select a particular GUI component in ________.

You specify the number of times an animation should repeat with Animation method ________.

Which of the following three statements is false?

You can provide String resources for different languages and regions. Android uses resource folders with ________ to choose the appropriate images, based on a device’s pixel density, and the correct language strings, based on a device’s locale and region settings.

A FragmentManager can use ________ to dynamically add, remove and transition between Fragments.

Method onCreateView is called after onCreate to build and return a View con-taining the Fragment’s GUI. This method receives a(n) ________, which you’ll use to programmatically inflate a Fragment’s GUI from the components speci-fied in a predefined XML layout.

In what thread does a Handler's Runnable execute?

Setting a Button's style property to @android:style/Widget.Material.Button.Colored causes the Button to take on a colored appearance, based on the colors of the app's theme. The Buttons' color will be the theme's ________.

If multiple activities can handle the action and data passed to startActivity, the system will ________.

Which of the following statements is false?

Method inflate returns a reference to a ________ that contains the inflated GUI.

Which of the following is not a tweened animation that you can include in an animation set?