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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. 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?
Dots per inch
AttributeSet
Activity
AsyncTask
2. This is an interface which is used to pass image data from the camera hardware to the application.
Extensible Markup Language (XML)
Linux based
Android SDK
SurfaceHolder.Callback
3. Most network-connected Android apps use this to send and receive data.
HTTP
Dalvik Virtual Machine
GET_ACCOUNTS
Stack
4. The minimal energy state during which no network connection is active or required.
BatteryManager
setVolumeControlStream()
Standby
ActionProvider
5. A styleable entity that contains these two custom attributes: showText and labelPosition.
single-pane
onCreate() - onDestroy()
PieChart
ValueAnimator
6. Allow to combine loosely coupled components to perform certain tasks
BackupHelper
AttributeSet
BroadcastReceiver
Intents
7. This class exposes a number of methods for applications to receive location updates.
adb
NetworkInfo
LocationManager
OAuth2
8. This class defines abstract methods that you must override so that your database table can be created and upgraded when necessary.
SettingsActivity
SQLiteOpenHelper
SQLite
dual-
9. Theseare a key part of Android applications that directly affect the user experience.
Activity
GestureDetector
Layouts
View
10. Use this to draw text.
AttributeSet
Intents
Emulator
drawText()
11. It is a free service for sending messages to Android devices.
setContentView
ACTION_DOCK_EVENT
Google Cloud Messaging (GCM)
touch
12. The dock-state details are included as an extra in a sticky broadcast of this action.
Ducking
ACTION_DOCK_EVENT
InputStream
AttributeSet
13. Sharing of data in Android is done via________
Service Content Provider
onStop();
NetworkInfo
ConnectivityManager
14. Conversion of an object to XML
onDestroy();
single-pane
Services
Serialize
15. 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.
isConnected()
Stack
Android SDK
Ducking
16. Where Android is currently primarily developed
onCreate() - onDestroy()
Google Cloud Messaging (GCM)
Fragments
Google
17. An open source group led by Google
ShareActionProvider
HTTP
Open Handset Alliance
ViewStub
18. Android request its permission using its ________
AndroidManifest.xml
SQLiteOpenHelper
Canvas
AttributeSet
19. Binary data is shared using the ACTION_SEND action combined with setting the appropriate MIME type and placing the URI to the data in an extra named called?
Google Play
Intent filters
InputStream
EXTRA_STREAM
20. This widget as an item in the action bar is the preferred way to provide search in your app.
Layouts
onCreate() - onDestroy()
SearchView
Linux based
21. This handles cases like flaky mobile networks - airplane mode - and restricted background data.
BroadcastReceiver
visible
isConnected()
Services
22. This is the most common input event in the Android system.
visible
touch
authenticator class
searchable configuration
23. This class computes scroll positions for you - but it does not automatically apply those positions to your view.
isConnected()
SearchView
When the activity resumes
Scroller
24. This broadcasts all battery and charging details in a sticky Intent that includes the charging status.
onStop();
BatteryManager
Activity
Activity
25. This is used for the need of finer control over your view's layout parameters.
onMeasure()
Account Manager
ViewStub
HttpURLConnection
26. In order to get a list of accounts on the device - your app needs this permission.
Low power
GET_ACCOUNTS
onDraw()
Stack
27. When a new activity starts - it is pushed onto the ____ and takes user focus.
ACTION_DOCK_EVENT
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
ConnectivityManager
Back stack
28. Used when a connection is active - allowing the device to transfer data at its highest possible rate.
Explicit intent
Full power
Emulator
Advanced Training
29. In most cases this will offer greater bandwidth at a significantly lower battery cost.
Implicit intent
SurfaceView
Wi-Fi radio
ACTION_DOCK_EVENT
30. This search feature was introduced in Android 3.0 and can maintain backward compatibility with older versions of Android by using the default search dialog provided by the system.
ShareActionProvider
setContentView
OnCurrentItemChanged
SearchView
31. Converts XML Document to XML DOM
SurfaceView
Account Manager
Parser
security sandbox
32. It's generally a good idea for one of your APKs to support this texture format as it is supported by all Android-powered devices that support the OpenGL ES 2.0 spec.
getInputStream()
ETC1
security sandbox
HTTP
33. Callback method: The activity is being created.
Paint
ETC1
onCreate();
ACTION_DOCK_EVENT
34. Are used in activities to create the user interface and to interact with the user.
Scroller
Intents
Fragments
onStop();
35. If permissions are missing - the application will get this at runtime.
SettingsActivity
SecurityException
Entire
SQLite
36. This defines how the SearchView behaves and is defined in a res/xml/searchable.xml file.
ConnectivityManager
AttributeSet
SecurityException
searchable configuration
37. 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.
Activity
OnCurrentItemChanged
HTTP
onSearchRequested()
38. It inform the system what intents an application component is willing to accept.
Objects Activity lifecycle
Intent filters
GestureDetector
HTTP
39. These helpers are specialized classes for backing up certain kinds of data.
Google Play
<declare-styleable>
SecurityException
BackupHelper
40. The helper method is used to create the final width and height values.
Intents
Android SDK
resolveSizeAndState()
Stack - back stack
41. It provides a single value - called an auth token that represents both the user's identity and the application's authorization to act on the user's behalf.
Google Play
OAuth2
AsyncTask
Google
42. For example - if your activity has a thread running in the background to download data from the network - it might create that thread in _____ and then stop the thread in _____
HttpURLConnection
onCreate() - onDestroy()
BackupHelper
Services
43. This is the simplest way to monitor device state changes.
Intent filters
BroadcastReceiver
Lifecycle callback methods
Emulator
44. Direct component call in Android
Explicit intent
Intents
ACTION_DOCK_EVENT
InputStream
45. Represents the visual representation of an Android application
Activity
setContentView
drawBitmap()
Low power
46. For example - a ____ might be a button that initiates an action when the user touches it.
onStop();
AccountAuthenticatorActivity
View
OnCurrentItemChanged
47. It is a subclass of PreferenceActivity.
SettingsActivity
SurfaceHolder.Callback
Dalvik Debug Monitor Server
searchable configuration
48. Answers queries about the state of network connectivity. It also notifies applications when network connectivity changes.
ConnectivityManager
setContentView
Google Cloud Messaging for Android (GCM)
OAuth2
49. Use this to draw bitmaps.
drawBitmap()
onStop();
Google Cloud Messaging for Android (GCM)
BroadcastReceiver
50. It includes a Detailed Network Usage tab that makes it possible to track when your application is making network requests.
Emulator
AsyncTask
Dalvik Debug Monitor Server
BackupHelper
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