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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. Use this to draw text.
drawText()
Layouts
onSearchRequested()
onCreate() - onDestroy()
2. On a rooted device - the credentials would be readable by anyone with this access to the device.
adb
SurfaceHolder.Callback
BroadcastReceiver
AccountAuthenticatorActivity
3. In order to get a list of accounts on the device - your app needs this permission.
PackageManager
android.hardware.touchscreen
SearchView
GET_ACCOUNTS
4. Describes the status of a network interface of a given type (currently either Mobile or Wi-Fi).
Parser
NetworkInfo
InputStream
GestureDetector
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?
EXTRA_STREAM
Account
ViewStub
PieChart
6. Amode where the action bar is set up with tabs for navigation.
dual-
Stack - back stack
LTE
Linux based
7. The minimal energy state during which no network connection is active or required.
ACTION_DOCK_EVENT
resolveSizeAndState()
isConnected()
Standby
8. An intermediate state that uses around 50% of the battery power at the full state.
Google Cloud Messaging for Android (GCM)
security sandbox
BackupHelper
Low power
9. In most cases this will offer greater bandwidth at a significantly lower battery cost.
OnCurrentItemChanged
Wi-Fi radio
Stack - back stack
SQLiteOpenHelper
10. Android request its permission using its ________
touch
PieChart
AndroidManifest.xml
Hierarchy Viewer
11. The helper method is used to create the final width and height values.
LocationManager
resolveSizeAndState()
onStart() - onStop()
AttributeSet
12. This class is the basis for handling flywheel-style fling gestures.
Paint
Scroller
ConnectivityManager
security sandbox
13. Once installed on a device - each Android application lives in its own ______
single-pane
ValueAnimator
ACTION_DOCK_EVENT
security sandbox
14. It includes a Detailed Network Usage tab that makes it possible to track when your application is making network requests.
resolveSizeAndState()
Google Cloud Messaging for Android (GCM)
Dalvik Debug Monitor Server
onStop();
15. Android system uses a special virtual machine to run java based applicatons
InputStream
onMeasure()
Dalvik Virtual Machine
touch
16. This is a base class supplied by Android framework - which you can extend to create your own custom authenticator.
Intent filters
AccountAuthenticatorActivity
ActionProvider
Extensible Markup Language (XML)
17. The ____ lifetime of an activity happens between the call to onStart() and the call to onStop().
Explicit intent
When the activity resumes
visible
onCreate() - onDestroy()
18. A styleable entity that contains these two custom attributes: showText and labelPosition.
onAudioFocusChange()
LTE
Full power
PieChart
19. The most common way to define a layout using views is with an XML layout file saved in your ______
searchable configuration
Application resources
Google Play
onStop();
20. This is an interface which is used to pass image data from the camera hardware to the application.
SurfaceHolder.Callback
PieChart
AbstractAccountAuthenticator
Account
21. The Android framework has a large set of these classes for interacting with the user and displaying various types of data.
View
ConnectivityManager
SurfaceView
getInputStream()
22. Your activity should perform setup of "global" state (such as defining layout) in ____ and release all remaining resources in _____
authenticator class
PieChart
Ducking
onCreate() - onDestroy()
23. This is used to register and de-register your media button event receiver.
Account Manager
Implicit intent
auth scope
AudioManager
24. 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?
touch
AbstractAccountAuthenticator
onCreate() - onDestroy()
AttributeSet
25. 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.
Google
Dots per inch
Paint
security sandbox
26. This class defines abstract methods that you must override so that your database table can be created and upgraded when necessary.
drawBitmap()
SQLite
setVolumeControlStream()
SQLiteOpenHelper
27. 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
resolveSizeAndState()
Component - screen
BatteryManager
android.hardware.touchscreen
28. The dock-state details are included as an extra in a sticky broadcast of this action.
ACTION_DOCK_EVENT
Entire
touch
onStop();
29. Are used in activities to create the user interface and to interact with the user.
PackageManager
ViewStub
Layouts
Fragments
30. 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.
View
Activity
Objects Activity lifecycle
<declare-styleable>
31. This callback method of the audio focus change listener you registered when requesting audio focus receives a parameter that describes the focus change event.
AsyncTask
onAudioFocusChange()
EXTRA_STREAM
onResume();
32. It doesn't currently support the <merge/> tag in the layouts to be inflated.
Google
security sandbox
Layouts
ViewStub
33. is run when running Android on the pc
Full power
AndroidManifest.xml
LocationManager
Emulator
34. 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
Canvas
Geocoder
PackageManager
onPause();
35. Perform background tasks without providing a user interface
AsyncTask
OnCurrentItemChanged
Dalvik Virtual Machine
Services
36. Answers queries about the state of network connectivity. It also notifies applications when network connectivity changes.
Service Content Provider
GET_ACCOUNTS
ConnectivityManager
visible
37. For example - a ____ might be a button that initiates an action when the user touches it.
onCreate() - onDestroy()
View
EXTRA_STREAM
virtual table
38. 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.
ETC1
Scroller
Stack
adb
39. This handles cases like flaky mobile networks - airplane mode - and restricted background data.
isConnected()
SearchView
SQLite
HTTP
40. This is the simplest way to monitor device state changes.
NetworkInfo
ACTION_SEND
Fragments
BroadcastReceiver
41. Necessary tools to develop Android applications
Android SDK
security sandbox
NetworkInfo
OAuth2
42. Once a connection has been established - the app uses this method to retrieve the data as an InputStream.
onDraw()
getInputStream()
security sandbox
Implicit intent
43. It provides a simple way to perform your work outside the main thread.
AsyncTask
onStop();
authenticator class
ACTION_DOCK_EVENT
44. Sharing of data in Android is done via________
Service Content Provider
Stack
isConnected()
onStart() - onStop()
45. This widget as an item in the action bar is the preferred way to provide search in your app.
SQLiteOpenHelper
SearchView
onCreate() - onDestroy()
Dalvik Virtual Machine
46. For instance - when stopped - your activity should release any large ____ - such as network or database connections.
Layouts
Stack - back stack
Google Play
Objects Activity lifecycle
47. _____ are views that provide a visual (and interactive) elements for the screen - such as a button - text field - checkbox - or just an image.
GestureDetector
AsyncTask
Widgets
Application footprint
48. This is the most common input event in the Android system.
touch
Widgets
SettingsActivity
Dalvik Virtual Machine
49. Allow to combine loosely coupled components to perform certain tasks
Explicit intent
Intents
InputStream
Google Cloud Messaging for Android (GCM)
50. It inform the system what intents an application component is willing to accept.
EXTRA_STREAM
Emulator
Activity
Intent filters
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