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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. Once installed on a device - each Android application lives in its own ______
AudioManager
SettingsActivity
security sandbox
Standby
2. This object contains an account name - which for Google accounts is an email address.
Account
Dalvik Virtual Machine
Application footprint
ValueAnimator
3. Are used in activities to create the user interface and to interact with the user.
SearchView
ConnectivityManager
Fragments
HttpURLConnection
4. This is used to fetch the account names that the user has stored on their device.
Serialize
Account Manager
onStart() - onStop()
Android SDK
5. This class defines methods for drawing text - lines - bitmaps - and many other graphics primitives.
Canvas
virtual table
Entire
Dalvik Virtual Machine
6. is run when running Android on the pc
Explicit intent
LTE
Emulator
authenticator class
7. When a new activity starts - it is pushed onto the ____ and takes user focus.
Back stack
Extensible Markup Language (XML)
getInputStream()
Scroller
8. The visible lifetime of an activity happens between the call to ____ and the call to ______
onStart() - onStop()
ConnectivityManager
Activity
Account
9. 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
PieChart
visible
Destroyed - previous
HTTP
10. Each time a new activity starts - the previous activity is stopped - but the system preserves the activity in a _____ (the ______).
touch
Stack - back stack
Scroller
getInputStream()
11. The minimal energy state during which no network connection is active or required.
Google Play
Standby
InputStream
ViewStub
12. This broadcasts all battery and charging details in a sticky Intent that includes the charging status.
BatteryManager
Widgets
onStop();
SQLite
13. The ____ lifetime of an activity happens between the call to onStart() and the call to onStop().
onResume();
InputStream
visible
Canvas
14. Perform background tasks without providing a user interface
Emulator
ACTION_DOCK_EVENT
Services
ConnectivityManager
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.
visible
Objects Activity lifecycle
Activity
Hierarchy Viewer
16. ______ are views derived from ViewGroup that provide a unique layout model for its child views
View
Layouts
onCreate();
Dalvik Debug Monitor Server
17. Relative to pixels and resolution screen
Dots per inch
InputStream
ShareActionProvider
isConnected()
18. Callback method: The activity is being created.
onCreate();
LocationManager
SettingsActivity
Back stack
19. A mode where navigation is set up with a spinner widget.
Explicit intent
Google Cloud Messaging for Android (GCM)
Activity
single-pane
20. Callback method: The activity is no longer visible
ACTION_DOCK_EVENT
android.hardware.touchscreen
onStop();
Component - screen
21. An open source group led by Google
AbstractAccountAuthenticator
View
onCreate() - onDestroy()
Open Handset Alliance
22. When an activity is stopped because a new activity starts - it is notified of this change in state through the activity's _______ .
AbstractAccountAuthenticator
onPause();
Lifecycle callback methods
<declare-styleable>
23. 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 ___ .
visible
Advanced Training
Stack
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
24. This callback method of the audio focus change listener you registered when requesting audio focus receives a parameter that describes the focus change event.
AttributeSet
AsyncTask
Layouts
onAudioFocusChange()
25. This provides methods to define line's color - whether to fill a rectangle with a color or leave it empty - and defines the color - style - font - and so forth of each shape you draw.
Paint
NetworkInfo
GestureDetector
Component - screen
26. This class defines abstract methods that you must override so that your database table can be created and upgraded when necessary.
AsyncTask
single-pane
Full power
SQLiteOpenHelper
27. This defines how the SearchView behaves and is defined in a res/xml/searchable.xml file.
searchable configuration
SurfaceHolder.Callback
SQLite
Lifecycle callback methods
28. Callback method: The activity has become visible.
Back stack
Implicit intent
onResume();
SQLite
29. In order for the AccountManager to work with your custom account code - you need this class that implements the interfaces that AccountManager expects.
Intents
Service Content Provider
ACTION_SEND
authenticator class
30. This is used to convert raw touch events into gestures.
SearchView
GestureDetector
View
Android SDK
31. On a rooted device - the credentials would be readable by anyone with this access to the device.
Low power
Implicit intent
BatteryManager
adb
32. This is used for the need of finer control over your view's layout parameters.
onStop();
onMeasure()
ConnectivityManager
Activity
33. A styleable entity that contains these two custom attributes: showText and labelPosition.
Google Cloud Messaging (GCM)
OAuth2
onCreate() - onDestroy()
PieChart
34. 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
Paint
PackageManager
LocationManager
Scroller
35. These helpers are specialized classes for backing up certain kinds of data.
BackupHelper
Geocoder
SettingsActivity
BatteryManager
36. Converts XML Document to XML DOM
Activity
setVolumeControlStream()
ETC1
Parser
37. To define custom attributes - add this resources to your project.
AndroidManifest.xml
OAuth2 protocol
<declare-styleable>
NetworkInfo
38. It is used to load images in a background thread - then apply them to the UI once finished.
AbstractAccountAuthenticator
AsyncTask
ActionProvider
visible
39. In most cases this will offer greater bandwidth at a significantly lower battery cost.
Application footprint
SearchView
SQLite
Wi-Fi radio
40. An open source stand alone database
AsyncTask
onSearchRequested()
Widgets
SQLite
41. Sharing of data in Android is done via________
Service Content Provider
BackupHelper
OAuth2 protocol
View
42. The dock-state details are included as an extra in a sticky broadcast of this action.
PieChart
Entire
ACTION_DOCK_EVENT
Activity
43. This class computes scroll positions for you - but it does not automatically apply those positions to your view.
Scroller
Canvas
AbstractAccountAuthenticator
Extensible Markup Language (XML)
44. This is used to register and de-register your media button event receiver.
onCreate() - onDestroy()
BatteryManager
single-pane
AudioManager
45. 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?
Intent filters
AttributeSet
ShareActionProvider
Dalvik Debug Monitor Server
46. Your activity should perform setup of "global" state (such as defining layout) in ____ and release all remaining resources in _____
onCreate() - onDestroy()
security sandbox
Activity
PieChart
47. To create an activity - you must create a subclass of
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
PieChart
Activity
Ducking
48. Used when a connection is active - allowing the device to transfer data at its highest possible rate.
SurfaceHolder.Callback
Destroyed - previous
Full power
Geocoder
49. Android request its permission using its ________
Wi-Fi radio
<declare-styleable>
AndroidManifest.xml
onStart() - onStop()
50. It is an HTTP client that is used for applications targeted at Gingerbread and higher.
OnCurrentItemChanged
setVolumeControlStream()
HTTP
HttpURLConnection