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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. Android provides this handy method to direct volume key presses to the audio stream the user specify.
setVolumeControlStream()
Dalvik Debug Monitor Server
AbstractAccountAuthenticator
onPause();
2. In order for the AccountManager to work with your custom account code - you need this class that implements the interfaces that AccountManager expects.
AsyncTask
authenticator class
Intent filters
Component - screen
3. 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.
XmlPullParser
BackupHelper
Explicit intent
Activity
4. An open source group led by Google
ShareActionProvider
ConnectivityManager
Dalvik Virtual Machine
Open Handset Alliance
5. It provides a simple way to perform your work outside the main thread.
Fragments
AsyncTask
SurfaceHolder.Callback
visible
6. Android is __________.
AsyncTask
Linux based
Wi-Fi radio
Serialize
7. Callback method: Another activity is taking focus
onPause();
Intent filters
drawBitmap()
Lifecycle callback methods
8. 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?
onStop();
resolveSizeAndState()
AttributeSet
SearchView
9. The visible lifetime of an activity happens between the call to ____ and the call to ______
ACTION_DOCK_EVENT
When the activity resumes
onStart() - onStop()
AudioManager
10. 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.
OAuth2
Stack
AccountAuthenticatorActivity
Intents
11. Once installed on a device - each Android application lives in its own ______
AudioManager
Ducking
security sandbox
Scroller
12. _____ are views that provide a visual (and interactive) elements for the screen - such as a button - text field - checkbox - or just an image.
Fragments
Widgets
onMeasure()
resolveSizeAndState()
13. This is the main class through which your application can access location services on Android.
LocationManager
Stack - back stack
Objects Activity lifecycle
NetworkInfo
14. 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.
AbstractAccountAuthenticator
Stack
Ducking
ACTION_DOCK_EVENT
15. This is set up to animate for the duration of the fling.
Application footprint
ViewStub
onDestroy();
ValueAnimator
16. This is a readable source of bytes.
Stack - back stack
When the activity resumes
AsyncTask
InputStream
17. Use this to draw bitmaps.
Activity
drawBitmap()
When the activity resumes
Dots per inch
18. 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 _____
onPause();
onCreate() - onDestroy()
LTE
single-pane
19. Are used in activities to create the user interface and to interact with the user.
Ducking
Fragments
Entire
searchable configuration
20. This behaves similarly to a SQLite table - but reads and writes to an object in memory via callbacks - instead of to a database file.
onStop();
When the activity resumes
virtual table
SearchView
21. 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
Fragments
Scroller
onPause();
Component - screen
22. For example - a ____ might be a button that initiates an action when the user touches it.
ShareActionProvider
Deserialize
Implicit intent
View
23. An intermediate state that uses around 50% of the battery power at the full state.
AndroidManifest.xml
Standby
Low power
GET_ACCOUNTS
24. Where Android is currently primarily developed
Parser
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
ACTION_DOCK_EVENT
Google
25. Represents the visual representation of an Android application
SurfaceView
Activity
dual-
drawBitmap()
26. This object contains an account name - which for Google accounts is an email address.
Back stack
onCreate() - onDestroy()
Implicit intent
Account
27. This is used to register and de-register your media button event receiver.
Intent filters
AudioManager
virtual table
BroadcastReceiver
28. Direct component call in Android
Serialize
Activity
LocationManager
Explicit intent
29. 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.
Services
Paint
touch
OAuth2
30. On a rooted device - the credentials would be readable by anyone with this access to the device.
adb
AbstractAccountAuthenticator
virtual table
PieChart
31. Conversion of an object to XML
android.hardware.touchscreen
Serialize
Widgets
LocationManager
32. To respond to media button clicks - you need to register this in your manifest that listens for this action broadcast.
touch
BackupHelper
onDestroy();
BroadcastReceiver
33. The helper method is used to create the final width and height values.
PieChart
Google Play
Scroller
resolveSizeAndState()
34. Conversion of XML back to an object
Standby
Deserialize
android.hardware.touchscreen
AsyncTask
35. It is a free service for sending messages to Android devices.
onResume();
View
BroadcastReceiver
Google Cloud Messaging (GCM)
36. It is used to load images in a background thread - then apply them to the UI once finished.
AsyncTask
Destroyed - previous
SurfaceView
AttributeSet
37. It includes a Detailed Network Usage tab that makes it possible to track when your application is making network requests.
SearchView
onMeasure()
Dalvik Debug Monitor Server
Google Cloud Messaging (GCM)
38. Describes the status of a network interface of a given type (currently either Mobile or Wi-Fi).
<declare-styleable>
AccountAuthenticatorActivity
Serialize
NetworkInfo
39. You can set the layout as the UI for your activity with passing the resource ID for the layout.
PackageManager
Stack
virtual table
setContentView
40. This action is used in sending text content from one activity to another.
Service Content Provider
ACTION_DOCK_EVENT
ACTION_SEND
AttributeSet
41. It inform the system what intents an application component is willing to accept.
ViewStub
ViewStub
Google Cloud Messaging (GCM)
Intent filters
42. The easiest way to create an authenticator class is to extend this and implement its abstract methods.
BroadcastReceiver
OAuth2
AbstractAccountAuthenticator
Dalvik Virtual Machine
43. It is called to invoke the search dialog on older devices.
ACTION_SEND
HttpURLConnection
InputStream
onSearchRequested()
44. Allow to combine loosely coupled components to perform certain tasks
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
When the activity resumes
Back stack
Intents
45. Callback method: The activity is no longer visible.
Parser
onStop();
Layouts
Wi-Fi radio
46. The receiver is triggered whenever the device battery becomes low or exits the low condition by listening for this two.
Parser
ViewStub
AsyncTask
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
47. Theseclasses simplify the steps required to enhance your app with powerful platform features or effectively optimize your app performance.
Hierarchy Viewer
LocationManager
Advanced Training
AudioManager
48. This is a base class supplied by Android framework - which you can extend to create your own custom authenticator.
PieChart
AndroidManifest.xml
ACTION_DOCK_EVENT
AccountAuthenticatorActivity
49. Use this to draw text.
drawText()
Android SDK
Google Cloud Messaging (GCM)
drawBitmap()
50. The ____ lifetime of an activity happens between the call to onCreate() and the call to onDestroy().
ConnectivityManager
Entire
Android SDK
HttpURLConnection
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