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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 class is the basis for handling flywheel-style fling gestures.
ConnectivityManager
Scroller
BroadcastReceiver
Activity
2. An open source group led by Google
SurfaceHolder.Callback
Activity
Open Handset Alliance
ACTION_DOCK_EVENT
3. This is used to convert raw touch events into gestures.
GestureDetector
ACTION_DOCK_EVENT
onCreate() - onDestroy()
virtual table
4. The easiest way to create an authenticator class is to extend this and implement its abstract methods.
adb
inflate()
touch
AbstractAccountAuthenticator
5. Describes the status of a network interface of a given type (currently either Mobile or Wi-Fi).
NetworkInfo
Intent filters
Services
getInputStream()
6. To respond to media button clicks - you need to register this in your manifest that listens for this action broadcast.
BroadcastReceiver
SQLiteOpenHelper
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
adb
7. Once installed on a device - each Android application lives in its own ______
Linux based
Advanced Training
security sandbox
Intents
8. This is the most common input event in the Android system.
Open Handset Alliance
Service Content Provider
AbstractAccountAuthenticator
touch
9. 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?
AbstractAccountAuthenticator
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
OAuth2 protocol
EXTRA_STREAM
10. If permissions are missing - the application will get this at runtime.
SecurityException
SurfaceView
Component - screen
Standby
11. It doesn't currently support the <merge/> tag in the layouts to be inflated.
Activity
HttpURLConnection
Lifecycle callback methods
ViewStub
12. 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.
HTTP
Activity
android.hardware.touchscreen
OAuth2
13. The Android SDK tools include a tool that allows you to analyze your layout while your application is running.
Hierarchy Viewer
Stack - back stack
ShareActionProvider
ACTION_SEND
14. It typically consumes more energy than 3G - which is in turn more expensive than 2G.
LTE
Lifecycle callback methods
LocationManager
authenticator class
15. Whenever the device is docked or undocked - this action is broadcast.
ACTION_DOCK_EVENT
AsyncTask
onPause();
Services
16. Android provides this handy method to direct volume key presses to the audio stream the user specify.
Entire
setVolumeControlStream()
ActionProvider
auth scope
17. This class provides one of the simplest ways to fire off a new task from the UI thread.
Google Cloud Messaging (GCM)
Dalvik Virtual Machine
AttributeSet
AsyncTask
18. A service in which programmers can offer their Android application to Android users.
InputStream
Google Play
LTE
Android SDK
19. This broadcasts an action whenever the device is connected or disconnected from power.
AsyncTask
InputStream
BatteryManager
Application footprint
20. 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.
BackupHelper
SearchView
onCreate() - onDestroy()
AttributeSet
21. This method returns the inflated View once complete so you don't need to call findViewById() if you need to interact with the layout.
BroadcastReceiver
Deserialize
inflate()
HttpURLConnection
22. Sharing of data in Android is done via________
onDraw()
Service Content Provider
ShareActionProvider
AudioManager
23. Direct component call in Android
Component - screen
resolveSizeAndState()
Explicit intent
XmlPullParser
24. It is called to invoke the search dialog on older devices.
authenticator class
ACTION_DOCK_EVENT
SQLiteOpenHelper
onSearchRequested()
25. The dock-state details are included as an extra in a sticky broadcast of this action.
PackageManager
AsyncTask
SQLiteOpenHelper
ACTION_DOCK_EVENT
26. Perform background tasks without providing a user interface
Widgets
Application footprint
GestureDetector
Services
27. Callback method: Another activity is taking focus
Explicit intent
Linux based
drawBitmap()
onPause();
28. Shows the actual amount of memory the application uses
AsyncTask
OAuth2
Advanced Training
Application footprint
29. The Android framework has a large set of these classes for interacting with the user and displaying various types of data.
SettingsActivity
Fragments
View
onCreate() - onDestroy()
30. This callback method of the audio focus change listener you registered when requesting audio focus receives a parameter that describes the focus change event.
onAudioFocusChange()
HttpURLConnection
HTTP
ValueAnimator
31. In most cases this will offer greater bandwidth at a significantly lower battery cost.
Emulator
Wi-Fi radio
<declare-styleable>
ConnectivityManager
32. Use this to draw bitmaps.
drawBitmap()
LTE
LocationManager
Dalvik Debug Monitor Server
33. Theseare a key part of Android applications that directly affect the user experience.
Layouts
Activity
Linux based
dual-
34. An intermediate state that uses around 50% of the battery power at the full state.
Low power
ACTION_SEND
OAuth2 protocol
security sandbox
35. It is an efficient and maintainable way to parse XML on Android.
ConnectivityManager
XmlPullParser
SearchView
Geocoder
36. When a new activity starts - it is pushed onto the ____ and takes user focus.
LocationManager
Back stack
SearchView
Account
37. It is a subclass of PreferenceActivity.
setVolumeControlStream()
touch
SettingsActivity
onCreate() - onDestroy()
38. 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_DOCK_EVENT
InputStream
BackupHelper
39. It is a set of rules for encoding documents in machine-readable form.
Layouts
LTE
Stack
Extensible Markup Language (XML)
40. The helper method is used to create the final width and height values.
Canvas
Services
resolveSizeAndState()
Advanced Training
41. On a rooted device - the credentials would be readable by anyone with this access to the device.
ViewStub
ConnectivityManager
adb
View
42. The industry standard way to deal with authentication to third-party services.
PackageManager
onCreate() - onDestroy()
OAuth2 protocol
android.hardware.touchscreen
43. It is a string that defines the specific type of access your app is asking for.
AudioManager
Google Cloud Messaging for Android (GCM)
auth scope
ShareActionProvider
44. Android is __________.
visible
AsyncTask
Explicit intent
Linux based
45. Are used in activities to create the user interface and to interact with the user.
BatteryManager
authenticator class
Full power
Fragments
46. Callback method: The activity is being created.
onCreate();
SurfaceHolder.Callback
auth scope
<declare-styleable>
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 ___ .
drawBitmap()
AttributeSet
onCreate() - onDestroy()
Stack
48. You can reacquire the necessary resources and resume actions that were interrupted. These state transitions are all part of the _________
ACTION_SEND
Wi-Fi radio
AsyncTask
When the activity resumes
49. It inform the system what intents an application component is willing to accept.
visible
ETC1
searchable configuration
Intent filters
50. 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.
Ducking
OAuth2 protocol
Google
authenticator class
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