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Test your basic knowledge |
Android Programming
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. This is the simplest way to monitor device state changes.
BroadcastReceiver
Google Cloud Messaging for Android (GCM)
Full power
Geocoder
2. This is the main class through which your application can access location services on Android.
LocationManager
Parser
onAudioFocusChange()
SQLite
3. This behaves similarly to a SQLite table - but reads and writes to an object in memory via callbacks - instead of to a database file.
Scroller
virtual table
LTE
OnCurrentItemChanged
4. The helper method is used to create the final width and height values.
onCreate();
resolveSizeAndState()
Objects Activity lifecycle
OAuth2
5. Conversion of an object to XML
Lifecycle callback methods
Service Content Provider
Standby
Serialize
6. It is an HTTP client that is used for applications targeted at Gingerbread and higher.
Activity
LTE
HttpURLConnection
onCreate();
7. The back stack abides to the basic "last in - first out" stack mechanism - so - when the user is done with the current activity and presses the Back button - it is popped from the stack (and ____) and the ____ activity resumes
SQLiteOpenHelper
OAuth2 protocol
Destroyed - previous
onMeasure()
8. The ____ lifetime of an activity happens between the call to onStart() and the call to onStop().
Stack - back stack
visible
Stack
Canvas
9. This method returns the inflated View once complete so you don't need to call findViewById() if you need to interact with the layout.
inflate()
View
onDestroy();
authenticator class
10. This is a base class supplied by Android framework - which you can extend to create your own custom authenticator.
authenticator class
AccountAuthenticatorActivity
onMeasure()
onCreate() - onDestroy()
11. It typically consumes more energy than 3G - which is in turn more expensive than 2G.
Activity
LTE
setContentView
android.hardware.touchscreen
12. It is used to toggle the enabled state on any component defined in the manifest - including whichever broadcast receivers you wish to enable or disable
PackageManager
AbstractAccountAuthenticator
Scroller
touch
13. An Activity is an application ______ that provides a _______ with which users can interact in order to do something - such as dial the phone - take a photo - send an email - or view a map
Component - screen
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
View
ConnectivityManager
14. Perform background tasks without providing a user interface
LocationManager
Open Handset Alliance
Account Manager
Services
15. An _______ is an application component that provides a screen with which users can interact in order to do something - such as dial the phone - take a photo - send an email - or view a map.
Geocoder
NetworkInfo
authenticator class
Activity
16. It is an efficient and maintainable way to parse XML on Android.
ACTION_DOCK_EVENT
onPause();
XmlPullParser
Hierarchy Viewer
17. It is a set of rules for encoding documents in machine-readable form.
onDestroy();
Extensible Markup Language (XML)
EXTRA_STREAM
onSearchRequested()
18. Where Android is currently primarily developed
onAudioFocusChange()
Google
single-pane
GestureDetector
19. This is used to register and de-register your media button event receiver.
onPause();
AudioManager
OAuth2
Google Play
20. This is used for the need of finer control over your view's layout parameters.
BatteryManager
drawText()
onMeasure()
Layouts
21. In order to get a list of accounts on the device - your app needs this permission.
Full power
Services
OAuth2
GET_ACCOUNTS
22. Shows the actual amount of memory the application uses
NetworkInfo
ViewStub
Application footprint
Intent filters
23. When a view is created from an XML layout - all of the attributes in the XML tag are read from the resource bundle and passed into the view's constructor as a what?
AttributeSet
HTTP
SQLite
Dots per inch
24. It is the process of lowering your audio stream output volume to make transient audio from another app easier to hear without totally disrupting the audio from your own application.
Fragments
getInputStream()
Intent filters
Ducking
25. To create an activity - you must create a subclass of
AudioManager
Services
Activity
When the activity resumes
26. Describes the status of a network interface of a given type (currently either Mobile or Wi-Fi).
AsyncTask
View
Account
NetworkInfo
27. It inform the system what intents an application component is willing to accept.
onStart() - onStop()
android.hardware.touchscreen
Intent filters
Hierarchy Viewer
28. A styleable entity that contains these two custom attributes: showText and labelPosition.
PieChart
ValueAnimator
ConnectivityManager
OnCurrentItemChanged
29. Allow to combine loosely coupled components to perform certain tasks
Intents
Layouts
BatteryManager
Explicit intent
30. An open source stand alone database
isConnected()
<declare-styleable>
SQLite
Google
31. To respond to media button clicks - you need to register this in your manifest that listens for this action broadcast.
ACTION_DOCK_EVENT
Parser
Open Handset Alliance
BroadcastReceiver
32. This class provides one of the simplest ways to fire off a new task from the UI thread.
Serialize
AsyncTask
onAudioFocusChange()
Destroyed - previous
33. For instance - when stopped - your activity should release any large ____ - such as network or database connections.
Google
Activity
Objects Activity lifecycle
BroadcastReceiver
34. PieChart exposes a custom event to notify listeners that the user has rotated the pie chart to focus on a new pie slice.
InputStream
ViewStub
OnCurrentItemChanged
onResume();
35. Represents the visual representation of an Android application
Low power
AttributeSet
SearchView
Activity
36. It is a free service for sending messages to Android devices.
Dalvik Debug Monitor Server
security sandbox
Google Cloud Messaging (GCM)
ACTION_SEND
37. To define custom attributes - add this resources to your project.
View
ETC1
<declare-styleable>
Hierarchy Viewer
38. This is a readable source of bytes.
GestureDetector
setVolumeControlStream()
Scroller
InputStream
39. The ____ lifetime of an activity happens between the call to onCreate() and the call to onDestroy().
Entire
Advanced Training
Account Manager
onStart() - onStop()
40. This class is the basis for handling flywheel-style fling gestures.
Google
Lifecycle callback methods
Scroller
Back stack
41. It is a lightweight mechanism used to transmit data from a server to a particular app instance.
Google Cloud Messaging for Android (GCM)
AsyncTask
Application footprint
BroadcastReceiver
42. Android provides this handy method to direct volume key presses to the audio stream the user specify.
OAuth2
virtual table
onAudioFocusChange()
setVolumeControlStream()
43. Callback method: The activity is no longer visible
onStop();
Standby
NetworkInfo
XmlPullParser
44. These helpers are specialized classes for backing up certain kinds of data.
Wi-Fi radio
HTTP
BackupHelper
LocationManager
45. It provides a simple way to perform your work outside the main thread.
AsyncTask
SearchView
AbstractAccountAuthenticator
BackupHelper
46. Theseclasses simplify the steps required to enhance your app with powerful platform features or effectively optimize your app performance.
Advanced Training
Dalvik Debug Monitor Server
Layouts
onCreate();
47. Each activity can then start another activity in order to perform different actions. Each time a new activity starts - the previous activity is stopped - but the system preserves the activity in a ___ .
Stack
OAuth2
Objects Activity lifecycle
Full power
48. This class defines abstract methods that you must override so that your database table can be created and upgraded when necessary.
onAudioFocusChange()
SearchView
SQLiteOpenHelper
ConnectivityManager
49. A service in which programmers can offer their Android application to Android users.
Google Play
Standby
drawBitmap()
searchable configuration
50. ______ are views derived from ViewGroup that provide a unique layout model for its child views
Layouts
SecurityException
Intents
onDestroy();
Can you answer 50 questions in 15 minutes?
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