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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 includes tools to help you identify problems in your layout performance.
OAuth2 protocol
Intents
Activity
Android SDK
2. The industry standard way to deal with authentication to third-party services.
AccountAuthenticatorActivity
OAuth2 protocol
onSearchRequested()
XmlPullParser
3. Amode where the action bar is set up with tabs for navigation.
BroadcastReceiver
dual-
LocationManager
NetworkInfo
4. On a rooted device - the credentials would be readable by anyone with this access to the device.
adb
ValueAnimator
Implicit intent
<declare-styleable>
5. An open source stand alone database
LTE
SQLite
AsyncTask
Widgets
6. Allow to combine loosely coupled components to perform certain tasks
BackupHelper
ViewStub
ACTION_DOCK_EVENT
Intents
7. This class is the basis for handling flywheel-style fling gestures.
HTTP
Android SDK
Scroller
Destroyed - previous
8. 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.
onStop();
getInputStream()
SearchView
LocationManager
9. 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
BroadcastReceiver
Application resources
EXTRA_STREAM
10. 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 _____
onResume();
Advanced Training
onCreate() - onDestroy()
ETC1
11. 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
Account Manager
BroadcastReceiver
touch
Destroyed - previous
12. This handles cases like flaky mobile networks - airplane mode - and restricted background data.
BroadcastReceiver
ActionProvider
auth scope
isConnected()
13. This class exposes a number of methods for applications to receive location updates.
SecurityException
Dalvik Debug Monitor Server
LocationManager
View
14. This is used to register and de-register your media button event receiver.
When the activity resumes
AudioManager
View
Stack - back stack
15. Perform background tasks without providing a user interface
Component - screen
Services
Android SDK
Standby
16. Most network-connected Android apps use this to send and receive data.
Activity
InputStream
HTTP
onDestroy();
17. 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.
ActionProvider
security sandbox
Activity
Deserialize
18. These helpers are specialized classes for backing up certain kinds of data.
BackupHelper
dual-
EXTRA_STREAM
GestureDetector
19. Answers queries about the state of network connectivity. It also notifies applications when network connectivity changes.
touch
OAuth2
ConnectivityManager
virtual table
20. The visible lifetime of an activity happens between the call to ____ and the call to ______
onMeasure()
ActionProvider
onStart() - onStop()
onDestroy();
21. This broadcasts all battery and charging details in a sticky Intent that includes the charging status.
AsyncTask
BatteryManager
onCreate() - onDestroy()
SurfaceView
22. _____ are views that provide a visual (and interactive) elements for the screen - such as a button - text field - checkbox - or just an image.
Dalvik Virtual Machine
onCreate() - onDestroy()
Widgets
onCreate() - onDestroy()
23. This broadcasts an action whenever the device is connected or disconnected from power.
Stack - back stack
ViewStub
ACTION_SEND
BatteryManager
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.
Standby
onStop();
onAudioFocusChange()
ValueAnimator
25. This is set up to animate for the duration of the fling.
ValueAnimator
GET_ACCOUNTS
dual-
View
26. It typically consumes more energy than 3G - which is in turn more expensive than 2G.
single-pane
security sandbox
BroadcastReceiver
LTE
27. It inform the system what intents an application component is willing to accept.
dual-
InputStream
Intent filters
Android SDK
28. Callback method: The activity is being created.
Full power
onCreate();
Explicit intent
Scroller
29. It is called to invoke the search dialog on older devices.
Activity
Application footprint
EXTRA_STREAM
onSearchRequested()
30. This can be used to draw previews of what the camera sensor is picking up.
visible
Paint
Stack
SurfaceView
31. Represents the visual representation of an Android application
resolveSizeAndState()
Account Manager
Activity
onCreate() - onDestroy()
32. This class computes scroll positions for you - but it does not automatically apply those positions to your view.
BroadcastReceiver
Scroller
Paint
Implicit intent
33. This is the main class through which your application can access location services on Android.
Stack - back stack
Extensible Markup Language (XML)
SurfaceView
LocationManager
34. It is used to load images in a background thread - then apply them to the UI once finished.
AsyncTask
View
searchable configuration
OAuth2 protocol
35. Whenever the device is docked or undocked - this action is broadcast.
ACTION_SEND
Google Cloud Messaging (GCM)
Application footprint
ACTION_DOCK_EVENT
36. This is used to convert raw touch events into gestures.
Stack - back stack
Dalvik Debug Monitor Server
Activity
GestureDetector
37. 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
LTE
virtual table
Intents
38. Use this to draw text.
drawText()
onDestroy();
onResume();
ACTION_DOCK_EVENT
39. A styleable entity that contains these two custom attributes: showText and labelPosition.
ActionProvider
Parser
Services
PieChart
40. The receiver is triggered whenever the device battery becomes low or exits the low condition by listening for this two.
AbstractAccountAuthenticator
AsyncTask
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
LocationManager
41. The Android framework has a large set of these classes for interacting with the user and displaying various types of data.
View
onResume();
Application resources
Stack - back stack
42. Direct component call in Android
Deserialize
Explicit intent
onAudioFocusChange()
GET_ACCOUNTS
43. PieChart exposes a custom event to notify listeners that the user has rotated the pie chart to focus on a new pie slice.
Canvas
OnCurrentItemChanged
Scroller
BatteryManager
44. This class defines methods for drawing text - lines - bitmaps - and many other graphics primitives.
Google Cloud Messaging (GCM)
<declare-styleable>
Deserialize
Canvas
45. It is a subclass of PreferenceActivity.
LTE
onCreate() - onDestroy()
SettingsActivity
Paint
46. To respond to media button clicks - you need to register this in your manifest that listens for this action broadcast.
GestureDetector
Implicit intent
Activity
BroadcastReceiver
47. 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.
security sandbox
Paint
Ducking
Widgets
48. Android system uses a special virtual machine to run java based applicatons
Dalvik Virtual Machine
SurfaceHolder.Callback
Component - screen
AsyncTask
49. Necessary tools to develop Android applications
onStop();
ValueAnimator
Serialize
Android SDK
50. 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
Application footprint
SQLite
dual-