Question 1

Which of the following is NOT correct about Battery Historian tool?

Accepted Answer

A)   It is an open source script.
B)   It converts the battery data collected by Batterystats into HTML visualization.
C)   It collects and converts the battery data into HTML visualization.
D)   It is not the part of Android framework C

Question 2

Which of the following statements is incorrect about Android Device Monitor in Android Studio?

Accepted Answer

A)   You can display a list of currently running threads and select one to check its stack trace.
B)   It can add dynamically Google SDK libraries to the Android image running on the emulator.
C)   You can forcibly execute garbage collection and check the present heap usage status.
D)   You can do simulations of network zone speed and bandwidth limitations. B

Question 3

Which method should you use to start a sub-activity?

Accepted Answer

A)   startActivity(Intent intent) 
B)   startActivityForResult(Intent intent , int requestCode) 
C)   startService(Intent intent) 
D)   startSubActivity(Intent intent)  B

Question 4

Which of the following best explains the Android popup menus?

Accepted Answer

A)   It is only displayed when the user presses the home button twice.
B)   It displays a list of items vertically and is anchored to the view that invoked the menu.
C)   It is a floating menu that appears when the user performs a long-click on an element.
D)   It is the primary collection of menu items for an activity. It's where you should place actions that have a global impact on the app, such as "Search", "Compose email", and "Settings".

Question 5

You are building an application that supports API level 11 and higher. Which of the following classes you must import if you want to add an Action Bar to your application?

Accepted Answer

A)   android.support.v7.app.ActionBar
B)   android.app.ActionBar
C)   android.view.ActionBar
D)   android.widgets.ActionBar

Question 6

Which of the following interfaces is necessary to access Google Maps once it is ready?

Accepted Answer

A)   OnMapReadyCallback
B)   OnMapReady
C)   OnGoogleMapReadyCallback
D)   OnGoogleMapReady

Question 7

What Activity method you use to retrieve a reference to an Android view by using the id attribute of a resource XML?

Accepted Answer

A)   findViewByReference(int id) ;
B)   findViewById(int id) 
C)   retrieveResourceById(int id) 
D)   findViewById(String id)

Question 8

Which of the following classes should be extended to create a custom view?

Accepted Answer

A)   View
B)   ViewGroup
C)   Context
D)   Activity

Question 9

Which of the following statements hold true about persisting data types using ORMLite third party library?

Accepted Answer

A)   All persisted classes must define a no-argument constructor which must have at least package level visibility.
B)   All persisted classes must define a one-argument constructor, which takes the name of the table as its argument. The constructor is required to have private level visibility.
C)   All persisted classes must define a one-argument constructor, which takes the name of the table as its argument. The constructor is required to have public level visibility.
D)   All answers are incorrect.

Question 10

What Activity method you would use to retrieve a reference to an Android view by using the id attribute of a resource XML?

Accepted Answer

A)   findViewByReference(int id) 
B)   findViewById(int id) 
C)   retrieveResourceById(int id) 
D)   findViewById(String id)

Question 11

The values of which of the following classes cannot be mapped in a Bundle object?

Accepted Answer

A)   Parcelable objects
B)   Primitive data types
C)   Serializable objects
D)   Context

Question 12

Which of the following Android View sub-classes uses the WebKit rendering engine to display web pages?

Accepted Answer

A)   PageView
B)   WebView
C)   MapView
D)   HttpClient

Question 13

What is not true about the AndroidManifest.xml file?

Accepted Answer

A)   It declares the views used within the application
B)   It declares user permissions the application requires
C)   It declares application components
D)   It declares hardware and software features used within the application

Question 14

Which of the following is NOT true about the SharedPreferences interface?

Accepted Answer

A)   The data it saves is persistent even if application is killed.
B)   It only saves primitive data in key-value pairs.
C)   Modifications to preferences saved should go through class SharedPreferences.Editor
D)   It can save any data type in key-value pairs.

Question 15

What is the minimum Android SDK version required for using "Instant Run" feature of Android Studio?

Accepted Answer

A)   15
B)   19
C)   21
D)   23

Question 16

Which of the following would you consider to be a major disadvantage while performing transitions on pre-lollipop release?

Accepted Answer

A)   They could only animate the entire Activity/Fragment container as a whole.
B)   There were only limited number of animations available to developers.
C)   It was not natively supported by Android and needed 3rd party libraries to be performed.
D)   All answers are incorrect.

Question 17

Which of the following is NOT true about class ListActivity?

Accepted Answer

A)   An activity that displays a list of items by binding to a data set.
B)   Its layout must be set by calling method setContentView inside onCreate.
C)   It contains a ListView object that can be bound to different data sets.  
D)   A data source that can be bound in a ListActivity can be an array or Cursor holding query results.

Question 18

Which of the following adds a click listener to items in a ListView?

Accepted Answer

A)   setonClickListener
B)   setonItemClickListener
C)   setonItemClicked
D)   setonListItemClickListener

Question 19

Which of the following is NOT true about onMeasure( ) method of class View?

Accepted Answer

A)   It measures the view and its contents to determine the measured width and height.
B)   It is invoked by measure( ) .
C)   The When overriding this method, a developer must call setMeasuredDimension( ) .
D)   It takes three parameters: the height, width, and the depth of the view.

Question 20

Which of the following statements are correct about the v7 appcompat library? (Choose two.)

Accepted Answer

A)   It adds support to the CardView widget.
B)   It adds the RecyclerView class to provide support for the RecyclerView widget.
C)   It adds support for the Action Bar user interface.
D)   It includes support for the material design user interface implementations.

Exam 1: Android Application Development