Android Programming Quiz # 4

What version(s) will you NOT be able to run the app if you set min sdk version to be 8 for an app?

7

10

14

12

8

Which database is available for developers in Android?

SQL Server

NoSQL

SQLite

Oracle

There is no available database

Which folder should the App Icon be kept under?

src

anim

res

Which extension does the Android Manifest file have?

.jar

.xml

.apk

.java

Which of the following is the correct way to get pass string in an Intent, where key and value are both string variables?

intent.putString(key,value);

intent.putKey(key,value);

intent.putExtra(key,value);

intent.putValue(key,value);

Which is the name of component used to display web pages in the application?

WebView

WebBrowser

BrowserView

Browser

Which of these Activity lifecycle events is when the activity is about to become visible to the user from a hidden state?

Start()

onCreate()

Resume()

onStart()

onResume()

Which API should you use to bring the data over to the device asynchronously if you have a fragment which displays a ListViewContaining query results?

android.app.LoaderManager

android.app.ListActivity

android.app.LocalActivityManager

What is likely to cause the UI to behave sluggishly or crash while making network calls?

Network Latency

Virus on the server

Hardware malfunction

Activity Manager contains too much

How can Android applications "borrow" functionality from other applications?

Application lifecyle methods

Intent objects

Content Provider system

Which event listener is used when an Android device has changed orientation?

OrientationEventListener

PositioningEventListener

DeviceOrientationEventListener

LayoutEventListener

Which externalizing resources are needed for application development?

Different language versions of the application

None of these

Different devices

All of these

Why is a Parcelable used?

To show a message dialog

To store data in SQLite database

To transmit structured objects between activities or fragments

To parse a json file

What class does Android use to communicate a request for an action to be performed?

Request

Service

Activity

Intent

Broadcast

Which AsyncTask method does not run on the UI thread?

publishProgress()

onPostExecute()

onPreExecute()

doInBackground()

Which method is called to notify a Fragment is visible when they are inside a ViewPager?

setUserVisibleHint(boolean isVisibleToUser)

onVisible(boolean isVisible)

onAttach(Activity activity)

isAdded()

Which method should be used to refresh the ActionBar if you use ActionBarCompat library?

invalidateOptionsMenu()

invalidateActionBar()

invalidate()

invalidateMenuItems()

Which theme's attribute changes the color of the status bar in Lollipop?

android:colorPrimaryDark

android:colorPrimary

android:colorAccent

What is the default behavior of an Activity when you manually rotate the device screen?

The activity is destroyed and reloaded entirely

The activity is remained unchanged

onPause() and onResume() activity callback are called only

onStop() and onStart() activity callback are called only

What should you do if you want access list of paired Bluetooth devices on Android?

add <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" /> to the manifest.xml

add <uses-permission android:name="android.permission.BLUETOOTH" /> permission to the manifest.xml. you can not access paired bluetooth devices list

Which is a benefit of deodexing?

Custom themes

Remove files

Install custom apps

Speed boost

When an asynchronous task is executed, the task goes through several steps. Which option is not a step of an asynchronous task?

onPostExecute()

onPreExecute()

onProgressUpdate()

onBackground()

What should you specify if your application needs to access information about the device's wi-fi networks?

.

Both of these

None of these

How do you request permission for your application?

<request-permission> in the Android Manifest

<uses-permission> in the Android Manifest

You do not need to request permissions for any application

<requires-permission> in the Android Manifest

Submit a request when you publish your application to the Android market

Which is the build system recommended by Google?

ant

gradle

maven

Which tool of Android sdk allows installing applications, viewing logs and pooling files from Android device?

ddms

Android manager

logcat

adb

Which package encompasses the interactive UI components of Android such as buttons and text fields?

android.widget

android.view

android.view.ViewGroup

Which class should you extend when using/creating a database?

SQLiteOpenHelper

SQLiteHelper

SQLiteDatabase

SQLiteDatabasehelper

None of the above

What should you do in order to get paired Bluetooth device list?

Add <user-permission android:name="android.permission.BLUETOOTH_ADMIN" /> permission to the manifest.xml

None of the above

Not possible

Add <user-feature android:name="android.permission.BLUETOOTH" /> feature to the manifest.xml

Android naming has followed an alphabetical order from Android 1.0 to Lollipop.

Fully True if you consider first letters of every version release up till Lollipop(5.0)

Partially True if you consider first letters of every version release up till Lollipop(5.0)

False