mobprog

Question 1

The first release of Android with a dessert codename is ___________.

Android 1.2

Android 1.8

Android 1.5

Android 1.0

Answer 1

Android 1.5

Question 2

Google purchased Android in what year?

2012

1999

2005

2001

Answer 2

2005

Question 3

Each log entry in the LogCat Window has a priority of FATAL, ERROR, WARNING, INFO, DEBUG, or VERBOSE.

True

False

Answer 3

TRUE

Question 4

The Android Emulator simulates Android devices on your computer so that you can test your application on a variety of devices and Android API levels without needing to have each physical device.

True

False

Answer 4

TRUE

Question 5

Manifest is a file that stores the configuration of your application.

True

False

Answer 5

TRUE

Question 6

Consider the given resources below:

<resources>
        <color name = “blue”>#2196f3</color>
        <string name = “myapp”>MyApp</string>
</resources> How will you access the color resource in your Java file?

R.id.blue

@+id/blue

@color/blue

R.color.blue

Answer 6

R.color.blue

Question 7

In Android architecture, Activity Manager falls under ________________.

Android Runtime

Applications

Application Framework

Linux Kernel

Answer 7

Application Framework

Question 8

If you want to access an image from your res folder to your Java code, what command you should use?

res/drawable/image

R.res.image

R.id.image

R.drawable.image

Answer 8

R.drawable.image

Question 9

_______________ are additional files and static content that your code uses, such as bitmaps, layout definitions, etc.

Activities

Resources

Receivers

Services

Answer 9

Resources

Question 10

One of the major update on Android Pie is ______________.

Fingerprint Authentication

Adaptive Brightness

PIP Mode

Material Design

Answer 10

Adaptive Brightness

Question 11

To enable USB Debugging mode on our Android device, we need to choose what menu?

Google Account Settings

Connection/Connectivity Settings

Privacy Settings

Developer Options

Answer 11

Developer Options

Question 12

This application component dictates the UI and handle the user interaction to the smart
phone screen.

Content Providers

Activities

Broadcast Receivers

Services

Answer 12

Activities

Question 13

The top layer of the android architecture is _______________. The native and third-party
applications like contacts, email, music, gallery, clock, games, etc. whatever we will build
those will be installed on this layer only.

Platform Libraries

Applications

Android Runtime

Application Framework

Answer 13

Applications

Question 14

Android 4.4 is also know as _______________.

Pie

Nougat

Marshmallow

Kitkat

Answer 14

Kitkat

Question 15

The Dalvik VM enables every Android application to run in its own process, with its own
instance of the Dalvik virtual
machine.

True

False

Answer 15

True

Question 16

We can create an array of values using XML and use it depending on our application needs.

True

False

Answer 16

true

Question 17

When you open an application, onResume() method is called after.

onStart()

onPause()

onStop()

onCreate()

Answer 17

OnStart()

Question 18

The onClickListener is an event handler.

True

False

Answer 18

FALSE

Question 19

An Android activity represents one screen of the Android application’s user interface.

True

False

Answer 19

true

Question 20

You can create your layout in Android using HTML.

True

False

Answer 20

FALSE

Question 21

We can create an array of values using XML and use it depending on our application needs.

True

False

Answer 21

TRUE

Question 22

When you switch from one activity to another, the first activity will no longer be visible on your screen, in this case, the callback method ___________ is called.

onStop()

onDestroy()

onPause()

onResume()

Answer 22

OnStop()

Question 23

View is something that the user can see and interact with.

True

False

Answer 23

true

Question 24

An activity class loads all the UI component using the XML file during the _____________ method.

onStart()

onCreate()

onStop()

onResume()

Answer 24

onCreate()

Question 25

The onCreate() and onDestroy() methods are called only once throughout the activity lifecycle.

True

False

Answer 25

true

Question 26

It is a ViewGroup which is used to specify the position of child View instances relative to each other or relative to the parent.

Relative Layout

Web View

Frame Layout

Linear Layout

Answer 26

Relative Layout

Question 27

You can create your layout in Android using HTML.

True

False

Answer 27

False

Question 28

We can not instantiate UI elements during runtime.

True

False

Answer 28

FALSE

Question 29

When another activity is called within the application, the current activity will call the ___________ method.

onPause()

onStop()

onCreate()

onStart()

Answer 29

onPause()

Question 30

TextView is an example of ________.

ViewGroup

Resource ID

Event

View

Answer 30

View

Question 31

You implement an activity as a subclass of the Content Provider class.

True

False

Answer 31

false

Question 32

It is a ViewGroup which is used to specify the position of child View instances relative to each other or
relative to the parent.

Frame Layout

Web View

Linear Layout

Relative Layout

Answer 32

Relative Layout

Question 33

In Android’s activity life cycle, this is the first method that is called when the activity is created.

onStop()

onStart()

onCreate()

onResume()

Answer 33

onCreate()

Question 34

The onResume() callback method is called whenever the activity becomes visible to the user.

True

False

Answer 34

False

Question 35

Activity is one of the most important component for any android app. Activities are the User Interface (UI) screens which user see.

True

False

Answer 35

True