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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 provides one of the simplest ways to fire off a new task from the UI thread.
SearchView
AudioManager
AsyncTask
onCreate() - onDestroy()
2. This class computes scroll positions for you - but it does not automatically apply those positions to your view.
Scroller
Application footprint
Low power
OnCurrentItemChanged
3. This includes tools to help you identify problems in your layout performance.
visible
Android SDK
onMeasure()
Deserialize
4. Represents the visual representation of an Android application
onStart() - onStop()
Android SDK
SQLiteOpenHelper
Activity
5. 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?
AccountAuthenticatorActivity
EXTRA_STREAM
Layouts
Google Play
6. The visible lifetime of an activity happens between the call to ____ and the call to ______
onAudioFocusChange()
Android SDK
onStart() - onStop()
Layouts
7. 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
View
LTE
PackageManager
SurfaceView
8. This is used to convert raw touch events into gestures.
Scroller
inflate()
AbstractAccountAuthenticator
GestureDetector
9. It is an efficient and maintainable way to parse XML on Android.
Geocoder
Google Play
SQLite
XmlPullParser
10. This behaves similarly to a SQLite table - but reads and writes to an object in memory via callbacks - instead of to a database file.
ShareActionProvider
onStop();
visible
virtual table
11. This can be used to draw previews of what the camera sensor is picking up.
Ducking
SurfaceView
onStart() - onStop()
authenticator class
12. A service in which programmers can offer their Android application to Android users.
Layouts
Google Play
BroadcastReceiver
adb
13. 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
Layouts
InputStream
Scroller
14. 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
Layouts
Component - screen
AttributeSet
Android SDK
15. To define custom attributes - add this resources to your project.
Google Cloud Messaging (GCM)
onSearchRequested()
<declare-styleable>
searchable configuration
16. It is used to load images in a background thread - then apply them to the UI once finished.
AsyncTask
Lifecycle callback methods
onStop();
Standby
17. An open source stand alone database
Account
onDestroy();
Open Handset Alliance
SQLite
18. _____ are views that provide a visual (and interactive) elements for the screen - such as a button - text field - checkbox - or just an image.
onResume();
searchable configuration
Widgets
AndroidManifest.xml
19. This class defines abstract methods that you must override so that your database table can be created and upgraded when necessary.
LocationManager
Extensible Markup Language (XML)
SQLiteOpenHelper
onAudioFocusChange()
20. This handles cases like flaky mobile networks - airplane mode - and restricted background data.
BroadcastReceiver
Dalvik Debug Monitor Server
isConnected()
Fragments
21. You can reacquire the necessary resources and resume actions that were interrupted. These state transitions are all part of the _________
When the activity resumes
drawBitmap()
Account
visible
22. It is a subclass of PreferenceActivity.
auth scope
SettingsActivity
Fragments
Dalvik Virtual Machine
23. Relative to pixels and resolution screen
onStart() - onStop()
onDraw()
Dots per inch
GestureDetector
24. It is a string that defines the specific type of access your app is asking for.
setVolumeControlStream()
Intent filters
auth scope
Hierarchy Viewer
25. Shows the actual amount of memory the application uses
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
Dalvik Virtual Machine
Extensible Markup Language (XML)
Application footprint
26. This is set up to animate for the duration of the fling.
ValueAnimator
Component - screen
visible
ViewStub
27. Describes the status of a network interface of a given type (currently either Mobile or Wi-Fi).
View
Dalvik Debug Monitor Server
Google Play
NetworkInfo
28. 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
View
AbstractAccountAuthenticator
resolveSizeAndState()
29. 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.
onCreate() - onDestroy()
Objects Activity lifecycle
Service Content Provider
OAuth2
30. You can set the layout as the UI for your activity with passing the resource ID for the layout.
setContentView
Fragments
onResume();
onDraw()
31. This is the most common input event in the Android system.
onMeasure()
dual-
onCreate() - onDestroy()
touch
32. Once installed on a device - each Android application lives in its own ______
AccountAuthenticatorActivity
security sandbox
NetworkInfo
Android SDK
33. In order to get a list of accounts on the device - your app needs this permission.
GET_ACCOUNTS
Dalvik Debug Monitor Server
OnCurrentItemChanged
Deserialize
34. To respond to media button clicks - you need to register this in your manifest that listens for this action broadcast.
BroadcastReceiver
AttributeSet
onDraw()
Intents
35. It is used as a reverse-geocoding where translating latitude longitude coordinates to a human-readable address happens.
AsyncTask
Android SDK
View
Geocoder
36. Theseclasses simplify the steps required to enhance your app with powerful platform features or effectively optimize your app performance.
Layouts
BackupHelper
ViewStub
Advanced Training
37. Android is __________.
Google Play
Ducking
Deserialize
Linux based
38. Most network-connected Android apps use this to send and receive data.
onStart() - onStop()
Account
<declare-styleable>
HTTP
39. Android provides this handy method to direct volume key presses to the audio stream the user specify.
Geocoder
setVolumeControlStream()
ViewStub
Objects Activity lifecycle
40. 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 ___ .
SettingsActivity
OAuth2
AttributeSet
Stack
41. It made implementing an effective and user friendly share action in your ActionBar even easier.
PackageManager
ActionProvider
View
Parser
42. The entire lifetime of an activity happens between the call to _____ and the call to _____
onCreate() - onDestroy()
onResume();
Standby
onDestroy();
43. PieChart exposes a custom event to notify listeners that the user has rotated the pie chart to focus on a new pie slice.
onSearchRequested()
HttpURLConnection
HTTP
OnCurrentItemChanged
44. This action is used in sending text content from one activity to another.
Fragments
security sandbox
ACTION_SEND
BroadcastReceiver
45. It is a lightweight mechanism used to transmit data from a server to a particular app instance.
SQLiteOpenHelper
Linux based
GET_ACCOUNTS
Google Cloud Messaging for Android (GCM)
46. The easiest way to create an authenticator class is to extend this and implement its abstract methods.
AbstractAccountAuthenticator
Emulator
dual-
SettingsActivity
47. Sharing of data in Android is done via________
Stack - back stack
Linux based
Service Content Provider
Google Cloud Messaging (GCM)
48. This is the simplest way to monitor device state changes.
NetworkInfo
BroadcastReceiver
Wi-Fi radio
HttpURLConnection
49. This widget as an item in the action bar is the preferred way to provide search in your app.
<declare-styleable>
SearchView
Application resources
AttributeSet
50. Perform background tasks without providing a user interface
BatteryManager
OAuth2
Services
Hierarchy Viewer
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