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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. The easiest way to create an authenticator class is to extend this and implement its abstract methods.
AbstractAccountAuthenticator
PieChart
Extensible Markup Language (XML)
ETC1
2. 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
SettingsActivity
Extensible Markup Language (XML)
Back stack
PackageManager
3. This widget as an item in the action bar is the preferred way to provide search in your app.
OnCurrentItemChanged
SearchView
onMeasure()
Serialize
4. This object contains an account name - which for Google accounts is an email address.
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
Hierarchy Viewer
Intents
Account
5. You can reacquire the necessary resources and resume actions that were interrupted. These state transitions are all part of the _________
Dalvik Virtual Machine
When the activity resumes
SurfaceView
ConnectivityManager
6. Whenever the device is docked or undocked - this action is broadcast.
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
SearchView
ACTION_DOCK_EVENT
Entire
7. Used when a connection is active - allowing the device to transfer data at its highest possible rate.
Advanced Training
SecurityException
Dalvik Debug Monitor Server
Full power
8. Use this to draw bitmaps.
drawBitmap()
Serialize
Entire
Application resources
9. _____ are views that provide a visual (and interactive) elements for the screen - such as a button - text field - checkbox - or just an image.
Activity
XmlPullParser
GET_ACCOUNTS
Widgets
10. The industry standard way to deal with authentication to third-party services.
Application footprint
OAuth2 protocol
onStop();
SettingsActivity
11. When an activity is stopped because a new activity starts - it is notified of this change in state through the activity's _______ .
virtual table
Fragments
Activity
Lifecycle callback methods
12. 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
Wi-Fi radio
Application footprint
onAudioFocusChange()
13. Android system uses a special virtual machine to run java based applicatons
Dalvik Virtual Machine
Intent filters
Canvas
Linux based
14. This defines how the SearchView behaves and is defined in a res/xml/searchable.xml file.
Back stack
Paint
InputStream
searchable configuration
15. For example - a ____ might be a button that initiates an action when the user touches it.
AccountAuthenticatorActivity
Linux based
onStop();
View
16. Converts XML Document to XML DOM
Parser
Canvas
Activity
ACTION_DOCK_EVENT
17. An open source group led by Google
visible
Paint
When the activity resumes
Open Handset Alliance
18. The visible lifetime of an activity happens between the call to ____ and the call to ______
Account Manager
onStart() - onStop()
InputStream
OnCurrentItemChanged
19. In order to get a list of accounts on the device - your app needs this permission.
onPause();
SurfaceView
GET_ACCOUNTS
onCreate() - onDestroy()
20. This is the most common input event in the Android system.
touch
Destroyed - previous
Stack - back stack
Stack
21. Creating drawing objects within this method significantly reduces performance and can make your UI appear sluggish.
Layouts
virtual table
onCreate();
onDraw()
22. This is a base class supplied by Android framework - which you can extend to create your own custom authenticator.
Layouts
ShareActionProvider
Back stack
AccountAuthenticatorActivity
23. Android provides this handy method to direct volume key presses to the audio stream the user specify.
PieChart
BatteryManager
ETC1
setVolumeControlStream()
24. Most network-connected Android apps use this to send and receive data.
onPause();
HTTP
AttributeSet
virtual table
25. Conversion of an object to XML
Wi-Fi radio
Serialize
Android SDK
Extensible Markup Language (XML)
26. 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 ___ .
authenticator class
Geocoder
AbstractAccountAuthenticator
Stack
27. Callback method: The activity is no longer visible.
onStop();
onCreate();
onStart() - onStop()
searchable configuration
28. This class defines abstract methods that you must override so that your database table can be created and upgraded when necessary.
AttributeSet
SQLiteOpenHelper
SearchView
setVolumeControlStream()
29. Conversion of XML back to an object
Stack
getInputStream()
Deserialize
Lifecycle callback methods
30. 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
AudioManager
ConnectivityManager
Parser
Component - screen
31. The helper method is used to create the final width and height values.
setContentView
resolveSizeAndState()
Activity
onDraw()
32. An open source stand alone database
LocationManager
GET_ACCOUNTS
onStop();
SQLite
33. Represents the visual representation of an Android application
Activity
Ducking
Scroller
AsyncTask
34. It made implementing an effective and user friendly share action in your ActionBar even easier.
Dalvik Virtual Machine
BatteryManager
ViewStub
ActionProvider
35. This callback method of the audio focus change listener you registered when requesting audio focus receives a parameter that describes the focus change event.
Implicit intent
onAudioFocusChange()
Geocoder
BackupHelper
36. 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.
Explicit intent
touch
AbstractAccountAuthenticator
Activity
37. It provides a simple way to perform your work outside the main thread.
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
Geocoder
AsyncTask
LTE
38. When a new activity starts - it is pushed onto the ____ and takes user focus.
Back stack
Google Play
onPause();
Google Cloud Messaging for Android (GCM)
39. It is used as a reverse-geocoding where translating latitude longitude coordinates to a human-readable address happens.
EXTRA_STREAM
SurfaceHolder.Callback
android.hardware.touchscreen
Geocoder
40. Theseare a key part of Android applications that directly affect the user experience.
Lifecycle callback methods
Layouts
SearchView
ViewStub
41. This broadcasts an action whenever the device is connected or disconnected from power.
Activity
Widgets
Application resources
BatteryManager
42. It is available starting with API Level 14 and higher.
Destroyed - previous
HttpURLConnection
SurfaceView
ShareActionProvider
43. It is a free service for sending messages to Android devices.
Dalvik Virtual Machine
adb
Google Cloud Messaging (GCM)
Full power
44. This method returns the inflated View once complete so you don't need to call findViewById() if you need to interact with the layout.
isConnected()
Full power
inflate()
AsyncTask
45. is run when running Android on the pc
Emulator
Activity
Fragments
onSearchRequested()
46. Amode where the action bar is set up with tabs for navigation.
Linux based
dual-
SearchView
touch
47. The Android SDK tools include a tool that allows you to analyze your layout while your application is running.
SearchView
Hierarchy Viewer
Extensible Markup Language (XML)
Layouts
48. In order for the AccountManager to work with your custom account code - you need this class that implements the interfaces that AccountManager expects.
inflate()
OAuth2 protocol
authenticator class
touch
49. This handles cases like flaky mobile networks - airplane mode - and restricted background data.
Google
isConnected()
single-pane
ViewStub
50. Direct component call in Android
getInputStream()
Account Manager
Explicit intent
Deserialize
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