Elance Skill Test - Android Questions and Answers 2014
xaml
xml
txt
res
Q What is the official name of the Android
3.0 SDK?
Gingerbread
Froyo
Donut
Honeycomb
Ice Cream Sandwich
Q What is the main hardware platform of
Android?
ARM architecture
MIPS
x86
None of these
Q Every Android application runs in its own
process...
with its own
instance of the Dalvik Virtual Machine.
within a shared system wide instance of the
Dalvik Virtual Machine.
with its own instance of the Java Virtual
Machine.
Q Which tag is used to add "Star
Rating" in XML layout file
RatingWidget
RatingBar
Stars
Rating
Q You can retrieve the resources for your
applications by using:
android.app.getResources()
android.content.pm
android.content.getResources()
Q In which resource folder do we create an
animation file ?
anim
raw
values
animation
drawable
Q Android version 2.2 is better known as
what?
Eclair
Gingerbread
Ice-Cream Sandwich
Froyo
Q How do you disable the scrollbars for a
webview?
<WebView
android:layout_height="wrap_content" />
all of these
<WebView
android:scrollbars="none" />
<WebView
android:layout_width="wrap_content" />
Q Which layout is deprecated since version
2.3?
Table Layout
Relative Layout
Absolute Layout
Frame Layout
Q The correct way to get pass string in an
Intent is (where key and value are both string variables):
intent.putValue(key,value);
intent.putKey(key,value);
intent.putExtra(key,value);
intent.putString(key,value);
Q If your application needs to access
information about the devices wi-fi networks, you need to specify:
<manifest-permission
="android.permission.ACCESS_WIFI_STATE" />
Both of these
<uses-permission
android:name="android.permission.ACCESS_WIFI_STATE" />.
None of these
Q True or False: The Android operating
system is a multi-user Linux system in which each application is a different
user.
True
False
Q Android uses what class to communicate a
request for an action to be performed?
Broadcast
Activity
Request
Intent
Service
Q In order to be notified of a device
switching from landscape to portrait view, you should:
Both of
these
Request changes via the
android:configChanges="orientation" attribute for activities in your manifest
file
Override the onConfigurationChanged event
Q Fragments were added in what version of
Android (not including the compatibility pack)?
Version 3.2
Version 2.3.4
Version 3.1
Version 2.1
Version 3.0
Q What causes an Activity's onDestroy()
method to be called.
The Activity that launched this Activity
called finishActivity()
The Activity called finish().
The Activity is paused or stopped and it's
resources were needed by the operating system.
All of these
reasons.
Q What is the key used for an bundle extra
parameter on a PendingIntent holding a location?
public static final String
KEY_STATUS_CHANGED
public static final String
KEY_PROVIDER_ENABLED
public static final String
KEY_PROXIMITY_ENTERING
public static
final String KEY_LOCATION_CHANGED
Q Relative layout has two types of
orientations,vertical and horizantal
false
true
Q Which of these is NOT a Layout derived
from the ViewGroup class?
AbsoluteLayout
RelativeLayout
ListViewLayout
LinearLayout
Q What is the primary license of Android?
OSI
Apache
License
MIT
GPL
Q C2DM is deprecated and it was replaced by
Polling
GCM
Tokudu
APS
GCS
Q Which of the following isn't a valid
stage in an Activity's lifecycle?
onPause
onCreate
onFinish
onStop
onStart
Q Which of the following was NOT a name
used in any previous versions of Android (3.2)?
Gingerbread
Eclair
Honeycomb
Cannoli
Q A layout that organizes its children into
a horizontal or vertical stack
TableLayout
LinearLayout
FrameLayout
RelativeLayout
Q What is an application component that can
perform long-running operations in the background and does not provide a user
interface?
Broadcast receiver
Activity
Content-provider
Service
Q What is the proper order of life cycle
methods called when an Activity is first run?
onCreate(), onRestart(), onResume()
onCreate(),
onStart(), onResume()
onStart(), onResume, onCreate()
onCreate(), onResume(),
onStart()
onStart(), onCreate(), onResume()
Q Who can submit applications to the
Marketplace?
Registered Android
Market developers
Anyone and everyone
Only Google employees
Only device manufacturers and their
employees
Q If you wanted to store a name/value
string pair for your Android application, which class would you use?
android.content.Cookies
android.content.Resources
android.content.SharedPreferences
Q The Android SDK tools compile your
application into an Android application (.apk file) which...
contains all
the information needed to install the application on an Android device.
contains information needed by the
Universal Mobile Installer to create the install package for Android devices.
then has to be formatted for installation
through the Android installer.
Q Which of these widgets is an input box
for a user to enter text?
TextView
TextBox
EditText
Label
Q Which is NOT a default value used for a
Toast length parameter?
LENGTH_LONG
LENGTH_SMALL
LENGTH_SHORT
Q How do you request permissions for your
application?
<requires-permission> in the Android
Manifest
You do not need to request permissions for
any application
<uses-permission> in the Android Manifest
Submit a request when you publish your
application to the android market
<request-permission> in the Android
Manifest
Q Where would we specify which activity
should launch first in our app
Manifest
file
properties file
All of the above
Main Class file
Q If your application uses the camera on an
Android powered device, the following line should be in your manifest file:
<uses-feature
android:name="android.hardware.camera" />
<uses-feature="android.hardware.camera" />
<uses-feature name="camera"
/>
Q In order to specify layouts so that they
adapt to any screen size, specify dimensions in:
Pixels
Density-independent pixels
Q Which of the following is used to detect
when a user clicks or taps on a button?
OnTapListener
OnClickDetecter
OnClickListener
OnTouchListener
Q Which of the following are different
types of Android application components?
services
all of these
activities
none of these
Q What is the first method called in the
Activity Lifecycle?
onResume()
onBegin()
onCreate()
onInit()
onStart()
Q Which statement correctly changes content
of a TextView named textLabel to show "Your Text"?
textLabel.text = "Your Text";
textLabel.text("Your Text");
textLabel.setText("Your
Text");
textLabel = "Your Text";
Q Android relies on the Linux kernel for
which of the following system services?
Security
Both security and
network stack
Network stack
Neither security nor network stack
Q What is the name of component used to
display web pages in the application?
WebBrowser
BrowserView
WebView
Browser
Q If I set min sdk version to be 8 for an
app , on what version(s) will I NOT be able to run the app?
12
7
10
8
14
Q The Android Manifest file has what
extension?
.jar
.java
.apk
.xml
Q Do you need to buy an android developer
account to start developing and testing applications on Android ?
No
Yes
Q Which Virtual Machine (VM) does the
android system use?
Dalvik
VMLite
KVM
Erlang
Q Your Android application components are
defined in the...
AndroidManifest.xml
file.
AndroidManifest.pkg file.
myApp.xml file.
Q What is the official website for Android
programmers?
developer.android.com
stackoverflow.com/
android.google.com
anddev.org
eclipse.org/android
Q What database is available for developers
in Android?
There is no available database
SQL Server
Oracle
NoSQL
SQLite
Q Which of the following are a function of
the manifest file?
all of these
declare the level of user permissions
required.
declare the minimum API level required
Q Which event listener is used to handle
when an Android device has changed orientation?
PositioningEventListener
OrientationEventListener
DeviceOrientationEventListener
LayoutEventListener
Q Android's main programming language is:
JavaScripts
C++
Java
VB-Script
Q Externalizing resources is an important
part of application development because different resources are needed for:
Different language versions of the
application.
Different devices.
All of these
None of these
Q Which of the following are versions of
Android?
Eclair
Gingerbread
Froyo
All of these
Q What are some examples of direct
descendants of the android.view object?
Neither of these
ProgressBar
ViewGroup
Both of
these
Q What package encompasses the interactive
UI components of Android such as buttons and text fields?
android.view.ViewGroup
android.widget
android.view
Q What kernel is Android based on?
Linux Kernel
XNA
Mach Kernel
NT Kernel
Q Which of these ListAdapter subclasses is
not a direct subclass of BaseAdapter?
ArrayAdapter
SimpleAdapter
HeaderViewListAdapter
CursorAdapter
Q Which of the following allows you to
instantinate a LocationManager class?
LocationManager lm = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
LocationManager lm =
(LocationManager)Runtime.getSystemServiceInstance
(Context.LOCATION_SERVICE);
LocationManager lm = new
LocationManager(Context.LOCATION_SERVICE);
LocationManager lm =
(LocationManager)getSystem().getService(Context.LOCATION_SERVICE);
LocationManager lm =
(LocationManager)SystemServiceFactory.createSystemService(Context.LOCATION_SERVICE);
Q Which subclass of a Preference class
displays a list of entries as a dialog?
Both of
these
MultiSelectListPreference
ListPreference
None of these
Q When an asynchronous task is executed,
the task goes through several steps, what option isn't a step of an
asynchronous task.
onPostExecute()
onBackground()
onPreExecute()
onProgressUpdate()
Q What is the Sub Class of TextView...?
Image Button
All of These
EditText
Radio Button
Button
Q What is the API version code for the
Android 3.2 SDK?
9
14
15
11
13
Q Android applications can
"borrow" functionality from other applications by using...
application lifecyle methods
content Provider system
intent
objects
Q Which programming language is used to
develop application for the Android platform?
C#
Java
JavaScript
Q Which of the following is a public
constructor for canvas?
canvas(Context context)
canvas(int color)
canvas(AttributeSet set)
canvas(Bitmap
bitmap)
Q Fragments are independent from Activities
True
False
Q Maximum size of an android app?
40mb
20mb
100mb
4 gb
1.3 gb
Q What manifest uses-configuration should
your application use if your application requires a finger activated touch
screen on the device.
<uses-configuration android:reqTouchScreen="finger" />
must be in your manifest.
<uses-configuration
android:reqTouchScreen /> must be in your manifest.
<uses-configuration
android:reqNavigation="finger" /> must be in your manifest.
Q Which callbacks in AsyncTask gets
executed on main thread
doInBackground onPostExecute
onProgressUpdate
onProgressUpdate
doInBackground
both
onPostExecute and onProgressUpdate
onPostExecute
Q If you have a fragment which displays a
ListViewContaining query results, which API would you use to bring the data
over to the device asynchronously?
android.app.LocalActivityManager
android.app.LoaderManager
android.app.ListActivity
Q You should extend which class when
using/creating a database?
SQLiteOpenHelper
SQLiteDatabasehelper
SQLiteDatabase
None of the above
SQLiteHelper
Q What permission is required for your
application to use the device's vibrate hardware?
android.permission.VIBRATE
android.hardware.permission.VIBRATE
android.security.VIBRATE
android.hardware.VIBRATE
android.permission.hardware.VIBRATE
Q Android library functions are written of
...?
C#
Python
C/C++
PHP
Java
Q Which of these Activity lifecycle events
is called when the activity is about to become visible to the user.
onStart()
onCreate()
Resume()
Start()
onResume()
Q You can control process usage in your
Android application by...
both of these
moving your components up in the process
lifecycle hierarchy.
using the
android:process attribute on the specific component defined in the manifest.
neither of these
Q AppWidgetProvider is a subclass of
BroadcastReceiver
Activity
AppWidgetHost
Intent
Service
Q What is a benefit of deodexing?
Custom
themes
Remove files
Install custom apps
Speed boost
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