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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 a readable source of bytes.
drawText()
InputStream
OAuth2 protocol
onCreate() - onDestroy()
2. This is used to fetch the account names that the user has stored on their device.
ViewStub
Serialize
Account Manager
Google Play
3. This is a lightweight view with no dimension and doesn't draw anything or participate in the layout.
ViewStub
LocationManager
<declare-styleable>
Android SDK
4. When a new activity starts - it is pushed onto the ____ and takes user focus.
AudioManager
Back stack
onAudioFocusChange()
View
5. ______ are views derived from ViewGroup that provide a unique layout model for its child views
Geocoder
Layouts
HttpURLConnection
virtual table
6. It is an HTTP client that is used for applications targeted at Gingerbread and higher.
Open Handset Alliance
<declare-styleable>
HttpURLConnection
Google Cloud Messaging (GCM)
7. A mode where navigation is set up with a spinner widget.
single-pane
searchable configuration
Fragments
drawBitmap()
8. Conversion of XML back to an object
onResume();
inflate()
security sandbox
Deserialize
9. 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.
Service Content Provider
Ducking
Parser
Objects Activity lifecycle
10. This class defines methods for drawing text - lines - bitmaps - and many other graphics primitives.
getInputStream()
onDraw()
Canvas
onStop();
11. The minimal energy state during which no network connection is active or required.
OnCurrentItemChanged
onStop();
ACTION_DOCK_EVENT
Standby
12. Describes the status of a network interface of a given type (currently either Mobile or Wi-Fi).
getInputStream()
Stack - back stack
onStart() - onStop()
NetworkInfo
13. PieChart exposes a custom event to notify listeners that the user has rotated the pie chart to focus on a new pie slice.
onSearchRequested()
AsyncTask
OnCurrentItemChanged
Standby
14. 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?
drawText()
AttributeSet
Standby
auth scope
15. It is a set of rules for encoding documents in machine-readable form.
ConnectivityManager
Extensible Markup Language (XML)
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
onCreate() - onDestroy()
16. The ____ lifetime of an activity happens between the call to onCreate() and the call to onDestroy().
touch
View
Entire
AttributeSet
17. When an activity is stopped because a new activity starts - it is notified of this change in state through the activity's _______ .
Lifecycle callback methods
Stack
isConnected()
onStop();
18. This class computes scroll positions for you - but it does not automatically apply those positions to your view.
InputStream
AbstractAccountAuthenticator
Google Cloud Messaging for Android (GCM)
Scroller
19. Direct component call in Android
authenticator class
Explicit intent
Android SDK
Google Play
20. Evaluation of registered components
drawText()
Intents
Implicit intent
Lifecycle callback methods
21. Callback method: The activity has become visible.
Linux based
onDraw()
virtual table
onResume();
22. is run when running Android on the pc
BatteryManager
Layouts
Emulator
resolveSizeAndState()
23. Amode where the action bar is set up with tabs for navigation.
AttributeSet
ConnectivityManager
drawText()
dual-
24. Callback method: The activity is about to be destroyed.
onDestroy();
ACTION_SEND
Advanced Training
AccountAuthenticatorActivity
25. This is set up to animate for the duration of the fling.
Stack - back stack
ValueAnimator
adb
isConnected()
26. The receiver is triggered whenever the device battery becomes low or exits the low condition by listening for this two.
GET_ACCOUNTS
Standby
OAuth2 protocol
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
27. For instance - when stopped - your activity should release any large ____ - such as network or database connections.
View
Objects Activity lifecycle
ShareActionProvider
AsyncTask
28. Are used in activities to create the user interface and to interact with the user.
Wi-Fi radio
Fragments
SettingsActivity
OAuth2 protocol
29. It is called to invoke the search dialog on older devices.
Android SDK
Deserialize
Scroller
onSearchRequested()
30. It is a free service for sending messages to Android devices.
getInputStream()
ConnectivityManager
Google
Google Cloud Messaging (GCM)
31. Perform background tasks without providing a user interface
Entire
Services
Widgets
onDestroy();
32. The Android framework has a large set of these classes for interacting with the user and displaying various types of data.
Standby
View
Extensible Markup Language (XML)
OAuth2 protocol
33. Once installed on a device - each Android application lives in its own ______
ACTION_SEND
Parser
security sandbox
onCreate();
34. This behaves similarly to a SQLite table - but reads and writes to an object in memory via callbacks - instead of to a database file.
virtual table
NetworkInfo
Back stack
ConnectivityManager
35. The entire lifetime of an activity happens between the call to _____ and the call to _____
searchable configuration
onCreate() - onDestroy()
HTTP
ACTION_SEND
36. In order for the AccountManager to work with your custom account code - you need this class that implements the interfaces that AccountManager expects.
authenticator class
Standby
Canvas
Parser
37. This action is used in sending text content from one activity to another.
ACTION_SEND
Canvas
getInputStream()
ConnectivityManager
38. This is a base class supplied by Android framework - which you can extend to create your own custom authenticator.
SQLite
AccountAuthenticatorActivity
Intents
Activity
39. The dock-state details are included as an extra in a sticky broadcast of this action.
onStop();
onCreate();
View
ACTION_DOCK_EVENT
40. 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
EXTRA_STREAM
Intent filters
SQLiteOpenHelper
41. It is used as a reverse-geocoding where translating latitude longitude coordinates to a human-readable address happens.
BatteryManager
Geocoder
Parser
Stack - back stack
42. It provides a simple way to perform your work outside the main thread.
Fragments
onCreate();
AsyncTask
ViewStub
43. If you want your APK to be visible on TVs which are non-touchscreen devices you should add this to your manifest.
Account
Activity
android.hardware.touchscreen
NetworkInfo
44. Android system uses a special virtual machine to run java based applicatons
BackupHelper
Canvas
security sandbox
Dalvik Virtual Machine
45. It typically consumes more energy than 3G - which is in turn more expensive than 2G.
BatteryManager
View
LTE
OnCurrentItemChanged
46. These helpers are specialized classes for backing up certain kinds of data.
SurfaceView
ValueAnimator
Stack
BackupHelper
47. If permissions are missing - the application will get this at runtime.
SecurityException
Wi-Fi radio
ACTION_DOCK_EVENT
ConnectivityManager
48. It is a string that defines the specific type of access your app is asking for.
BroadcastReceiver
OAuth2 protocol
BatteryManager
auth scope
49. Once a connection has been established - the app uses this method to retrieve the data as an InputStream.
searchable configuration
getInputStream()
visible
onStop();
50. To create an activity - you must create a subclass of
Stack
Dalvik Debug Monitor Server
Activity
AsyncTask
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