Question 1

Which of the following is the correct syntax for adding CardView to a layout file?

Accepted Answer

A) B) C) D)

Question 2

What is the name of the folder that contains the R.java file?

Accepted Answer

A)  src 
B)  res 
C)  bin 
D)  gen

Question 3

Which of the following are layout-related methods called by the framework on views, and you can override them when customizing a view? (Choose two)

Accepted Answer

A)  onMeasure(). 
B)  onDraw(). 
C)  onKeyUp(). 
D)  onSizeChanged().

Question 4

Which of the following is required to allow Android Studio to interact with a custom view?

Accepted Answer

A)  Provide a constructor that takes a Context and an AttributeSet object as parameters. 
B)  Provide a constructor that takes a Context object as parameter. 
C)  Extend class View. 
D)  Override method onDraw() of class View.

Question 5

What is direct reply in Android 7?

Accepted Answer

A)  Feature that automatically replies using AI. 
B)  Feature that shows reply suggestions. 
C)  Gives ability to reply from notification of Android. 
D)  Helps manage system message replies.

Question 6

Consider the following AndroidManifest.xml file:

Supposing the application connects to the internet at startup, which of the following is true?

Accepted Answer

A)  The application throws an exception indicating it does not have permission to access the URL 
B)  The application will work as intended 
C)  The application won't compile 
D)  The application throws a java.lang.SecurityException

Question 7

Which of these is the incorrect method for an Application to save local data?

Accepted Answer

A)  Extend PreferencesActivity and save in an XML file. 
B)  Save as a file in the local file system. 
C)  Save in the database using SQLite. 
D)  Save in the hash table file using the Dictionary class.

Question 8

Which of the following is the base class of all layout UI widgets?

Accepted Answer

A)  ListView 
B)  Layout 
C)  View 
D)  ViewGroup

Question 9

Which of the following methods are invoked when a Broadcast Receiver receives a message?

Accepted Answer

A)  onReceive( ) 
B)  onMessage( ) 
C)  onArrival( ) 
D)  onBind( )

Question 10

Which of the following is correct about Runtime permissions?

Accepted Answer

A)  These are granted while app is running on device. 
B)  These are granted at the time of installation. 
C)  These can be revoked or canceled at any time resulting in cancelling all the permissions of the app. 
D)  Runtime Permissions are added below the normal permissions in AndroidManifest.xml with the tag <uses-runtime-permission/>.

Question 11

Which of the following Activity methods is invoked when the user clicks on an options menu item?

Accepted Answer

A)  onItemClicked 
B)  onItemSelected 
C)  onOptionsItemClicked 
D)  onOptionsItemSelected

Question 12

Which of the following is true about the Dialog class? (Choose two.)

Accepted Answer

A)  You can add a custom layout to a dialog using setContentView( ). 
B)  A dialog has a life-cycle independent of the Activity. 
C)  A dialog is displayed on the screen using method show( ). 
D)  It does not have a method to access the activity that owns it.

Question 13

Which of the following is required for getting the best output from performance profiling tools in Android Studio?

Accepted Answer

A)  It works only on real devices. 
B)  Disable the instant run before profiling the app. 
C)  Enable the instant run before profiling the app. 
D)  It works only on real devices and enable the instant run before profiling the app.

Question 14

Which of the following is not included in the Android application framework?

Accepted Answer

A)  WindowManager 
B)  NotificationManager 
C)  DialerManager 
D)  PackageManager

Question 15

Which of the following is NOT true about SQLiteOpenHelper class? (Choose two)

Accepted Answer

A)  It has two abstract methods: onCreate() and onUpgrade(). 
B)  It is used to perform database querying. 
C)  It manages database creation and updates. 
D)  It manages database versions using ContentProvider.

Question 16

Which of the following lines of code is used to pass a value to the next activity?

Accepted Answer

A)  Intent i = new Intent(this,newActivity); i.addExtra("test"); startActivity(i); 
B)  i.putValue("test"); 
C)  i.putValue("value1","test"); 
D)  i.putExtra("value1","test");

Question 17

Which of the following is NOT true about a content provider?

Accepted Answer

A)  It manages access to structured data. 
B)  It cannot be used from inside an Activity. 
C)  It facilitates access to Android's SQLite databases. 
D)  To access data in it, method getContentResolver() of the application's Context is used.

Question 18

The DalvikVM core libraries are a subset of which of the following?

Accepted Answer

A)  Java ME 
B)  Java SE 
C)  Java EE 
D)  JAX-WS

Question 19

Which UI does the following code builds?

Accepted Answer

A)  An edit text to the left of a text view and a button beneath it 
B)  An edit text to the right of a text view and a button to the right of the text view 
C)  An edit text to the right of a text view and a button beneath them 
D)  A text view, an edit text beneath it and the button beneath the edit text

Question 20

GPS provider requires a physical device and cannot be tested on an Emulator.

Accepted Answer

A) True 
 B)False

Exam 1: Android Application Development