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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 an interface which is used to pass image data from the camera hardware to the application.
SurfaceHolder.Callback
EXTRA_STREAM
Stack
setContentView
2. Android system uses a special virtual machine to run java based applicatons
Layouts
Dalvik Virtual Machine
Emulator
BackupHelper
3. 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.
onAudioFocusChange()
OAuth2
SearchView
OAuth2 protocol
4. It is available starting with API Level 14 and higher.
ConnectivityManager
Activity
visible
ShareActionProvider
5. It inform the system what intents an application component is willing to accept.
ViewStub
android.hardware.touchscreen
BatteryManager
Intent filters
6. This can be used to draw previews of what the camera sensor is picking up.
Hierarchy Viewer
Google Cloud Messaging (GCM)
BroadcastReceiver
SurfaceView
7. This is a lightweight view with no dimension and doesn't draw anything or participate in the layout.
ConnectivityManager
visible
Google Cloud Messaging for Android (GCM)
ViewStub
8. This is a readable source of bytes.
Wi-Fi radio
LocationManager
ConnectivityManager
InputStream
9. It made implementing an effective and user friendly share action in your ActionBar even easier.
AsyncTask
OAuth2 protocol
ActionProvider
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
10. It doesn't currently support the <merge/> tag in the layouts to be inflated.
isConnected()
Objects Activity lifecycle
ViewStub
Google Cloud Messaging (GCM)
11. 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()
isConnected()
inflate()
Intent filters
12. Relative to pixels and resolution screen
AudioManager
single-pane
Android SDK
Dots per inch
13. Allow to combine loosely coupled components to perform certain tasks
BatteryManager
auth scope
Back stack
Intents
14. Used when a connection is active - allowing the device to transfer data at its highest possible rate.
HTTP
ActionProvider
Scroller
Full power
15. This class exposes a number of methods for applications to receive location updates.
LocationManager
Stack
Paint
Scroller
16. Sharing of data in Android is done via________
onStop();
inflate()
NetworkInfo
Service Content Provider
17. Use this to draw bitmaps.
Component - screen
drawBitmap()
Lifecycle callback methods
onCreate() - onDestroy()
18. Perform background tasks without providing a user interface
Account Manager
Services
Implicit intent
Standby
19. Callback method: The activity is being created.
ValueAnimator
onCreate();
Linux based
Lifecycle callback methods
20. This is used for the need of finer control over your view's layout parameters.
ViewStub
onMeasure()
ValueAnimator
setVolumeControlStream()
21. This includes tools to help you identify problems in your layout performance.
Objects Activity lifecycle
onResume();
single-pane
Android SDK
22. This widget as an item in the action bar is the preferred way to provide search in your app.
onSearchRequested()
Advanced Training
SearchView
onStop();
23. Describes the status of a network interface of a given type (currently either Mobile or Wi-Fi).
AndroidManifest.xml
android.hardware.touchscreen
setContentView
NetworkInfo
24. You can reacquire the necessary resources and resume actions that were interrupted. These state transitions are all part of the _________
When the activity resumes
Fragments
Intents
Back stack
25. To create an activity - you must create a subclass of
PieChart
LocationManager
Activity
onCreate();
26. The dock-state details are included as an extra in a sticky broadcast of this action.
ACTION_DOCK_EVENT
Application resources
drawBitmap()
LocationManager
27. An intermediate state that uses around 50% of the battery power at the full state.
onPause();
Low power
Fragments
Lifecycle callback methods
28. It is a set of rules for encoding documents in machine-readable form.
Widgets
Extensible Markup Language (XML)
Ducking
onCreate() - onDestroy()
29. It's generally a good idea for one of your APKs to support this texture format as it is supported by all Android-powered devices that support the OpenGL ES 2.0 spec.
ValueAnimator
ETC1
Implicit intent
Low power
30. 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();
virtual table
OnCurrentItemChanged
auth scope
31. The helper method is used to create the final width and height values.
resolveSizeAndState()
security sandbox
android.hardware.touchscreen
AbstractAccountAuthenticator
32. For instance - when stopped - your activity should release any large ____ - such as network or database connections.
SurfaceHolder.Callback
Dots per inch
Objects Activity lifecycle
drawBitmap()
33. It is used to load images in a background thread - then apply them to the UI once finished.
ETC1
BatteryManager
onAudioFocusChange()
AsyncTask
34. Amode where the action bar is set up with tabs for navigation.
Android SDK
NetworkInfo
dual-
Fragments
35. 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 _____
virtual table
SearchView
Layouts
onCreate() - onDestroy()
36. Converts XML Document to XML DOM
setContentView
onDestroy();
ConnectivityManager
Parser
37. This is the main class through which your application can access location services on Android.
Activity
visible
onAudioFocusChange()
LocationManager
38. The most common way to define a layout using views is with an XML layout file saved in your ______
onSearchRequested()
Application resources
BroadcastReceiver
ConnectivityManager
39. 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.
Application footprint
Open Handset Alliance
Paint
Activity
40. The ____ lifetime of an activity happens between the call to onCreate() and the call to onDestroy().
Extensible Markup Language (XML)
Application footprint
Entire
setContentView
41. This is used to check that you're actually connected to the Internet and what type of connection is in place.
AccountAuthenticatorActivity
PackageManager
ConnectivityManager
ActionProvider
42. In order for the AccountManager to work with your custom account code - you need this class that implements the interfaces that AccountManager expects.
onCreate();
Explicit intent
authenticator class
Wi-Fi radio
43. Your activity should perform setup of "global" state (such as defining layout) in ____ and release all remaining resources in _____
Wi-Fi radio
onCreate() - onDestroy()
ETC1
ValueAnimator
44. 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
Dots per inch
Android SDK
Component - screen
Implicit intent
45. Necessary tools to develop Android applications
Emulator
Android SDK
isConnected()
SQLiteOpenHelper
46. _____ are views that provide a visual (and interactive) elements for the screen - such as a button - text field - checkbox - or just an image.
drawText()
Application resources
Widgets
Implicit intent
47. This class provides one of the simplest ways to fire off a new task from the UI thread.
AsyncTask
Google Play
Destroyed - previous
Objects Activity lifecycle
48. Are used in activities to create the user interface and to interact with the user.
Fragments
virtual table
<declare-styleable>
BroadcastReceiver
49. For example - a ____ might be a button that initiates an action when the user touches it.
Geocoder
Fragments
AttributeSet
View
50. 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?
Layouts
onStop();
BackupHelper
EXTRA_STREAM
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