PRM391 with (complete Answers)

PRM391 with (complete
Answers)
What are the Direct subclasses of Activity?

A. ListActivity

B. ActivityGroup

C. FragmentActivity

D. All of the above - Answers-D



.How many main approaches to build GUI of Android app?

A. >=5

B. 2

C. 1

D. 3

E. 4 - Answers-D



.What is android view group?

A. Layouts

B. Base class of building blocks

C. FragmentActivity

D. Collection of views and other child views - Answers-D



.Android: What is value on component's attribute "layout_width" and "layout_height" to display the
component big enough to enclose its content only?

A. wrap_content

B. fiIl_parent

,C. match_parent

D. None of above - Answers-A



.In Android, which class is used to makes http connection

A. Connection

B. TCPClient

C. HttpConnection

D. HttpURLConnection - Answers-D



.What is Toast class?

A. The Toast class is used to display notifications on the device's status bar

B. The Toast class is used to display notifications on the device's status bar and disappears after a few seconds

C. The Toast class is used to display alerts to the user and disappears when user click on OK button

D. The Toast class is used to display alerts to the user and disappears after a few seconds - Answers-D



.How to call an AJAX request in Sencha Touch?

A. Use Ext.Ajax()

B. Use Ext.Ajax.call()

C. Use Ext.Ajax.request()

D. None of above - Answers-C



.Why is the AbsoluteLayout not recommended for use?

A. using the AbsoluteLayout makes it facility for your application to have a consistent look and feel across
devices

B. using the AbsoluteLayout makes it difficult for your application to have a consistent look and feel across
devices

C. using the AbsoluteLayout makes it easy for your application to have a consistent look and feel across devices

,D. using the AbsoluteLayout makes it quick for your application to have a consistent look and feel across
devices - Answers-B



.What is not true about the Android application lifecycle

A. Each application runs in its own process.

B. Processes are started and stopped as needed to run apps components.

C. Processes may be killed to reclaim needed resources

D. Each activity of an application runs in its own process - Answers-D



.How to instantiate a Spinner control?

A. Via XML layout

B. Via code

C. All of above

D. None of above - Answers-C



.Name the permissions you need to declare in your AndroidManifest.xml file for sending and receiving SMS
message

A. The two permissions are SEND_PERMISSION and RECEIVE_PERMISSION

B. The two permissions are SEND_MESSAGE and RECEIVE_MESSAGE

C. The two permissions are SEND_SMS and RECEIVE_SMS

D. The two permissions are SEND and RECEIVE - Answers-C



.Android: Before the dialog is displayed, which callback methods will Android call?

A. onlnitDialog(int)

B. onPrepareDialog(int, Dialog)

C. onShowDialog(int)

D. onCreateDialog(int) - Answers-D

, .Three main approaches to build GUI of Android app are Java-base, XML-base and ...?

A. Hybrid

B. JSON-base

C. Eclipse

D. HTML5-base - Answers-A



.How many threads are there in AsyncTask in android?

A. Only One

B. Three

C. AsyncTask doesn't have tread

D. Two - Answers-Note: B or A (% cao B)



.What is the method for monitoring a location?

A. The method is addProximityAlert().

B. The method is addProximityNotify().

C. The method is addProximityLocation().

D. The method is addProximitylnformation(). - Answers-A



.Is TextView read-only by default?

A. True

B. False - Answers-A



.Which one of four main components of an Android application that is corresponding with the following
description: " They handle background processing associated with an application "

A. Activities

B. Services