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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 broadcasts all battery and charging details in a sticky Intent that includes the charging status.
When the activity resumes
NetworkInfo
BatteryManager
onMeasure()
2. This class is the basis for handling flywheel-style fling gestures.
android.hardware.touchscreen
Stack - back stack
Scroller
Ducking
3. This is the most common input event in the Android system.
touch
SurfaceHolder.Callback
Activity
HTTP
4. This action is used in sending text content from one activity to another.
Entire
ConnectivityManager
onDestroy();
ACTION_SEND
5. It is used as a reverse-geocoding where translating latitude longitude coordinates to a human-readable address happens.
SearchView
Open Handset Alliance
Serialize
Geocoder
6. To define custom attributes - add this resources to your project.
GestureDetector
AsyncTask
<declare-styleable>
drawBitmap()
7. It typically consumes more energy than 3G - which is in turn more expensive than 2G.
Stack - back stack
LTE
Application resources
Standby
8. In order for the AccountManager to work with your custom account code - you need this class that implements the interfaces that AccountManager expects.
onMeasure()
authenticator class
ACTION_DOCK_EVENT
SQLite
9. In most cases this will offer greater bandwidth at a significantly lower battery cost.
dual-
<declare-styleable>
adb
Wi-Fi radio
10. This is a readable source of bytes.
SearchView
Dalvik Virtual Machine
BroadcastReceiver
InputStream
11. The helper method is used to create the final width and height values.
ViewStub
View
drawBitmap()
resolveSizeAndState()
12. Each time a new activity starts - the previous activity is stopped - but the system preserves the activity in a _____ (the ______).
<declare-styleable>
Stack - back stack
Paint
visible
13. A service in which programmers can offer their Android application to Android users.
onStop();
ViewStub
BroadcastReceiver
Google Play
14. The visible lifetime of an activity happens between the call to ____ and the call to ______
Low power
Google
ActionProvider
onStart() - onStop()
15. Creating drawing objects within this method significantly reduces performance and can make your UI appear sluggish.
setVolumeControlStream()
Services
onDraw()
searchable configuration
16. This is used to check that you're actually connected to the Internet and what type of connection is in place.
ConnectivityManager
SearchView
drawText()
InputStream
17. Once a connection has been established - the app uses this method to retrieve the data as an InputStream.
Component - screen
Objects Activity lifecycle
PackageManager
getInputStream()
18. An intermediate state that uses around 50% of the battery power at the full state.
Explicit intent
Linux based
Low power
Wi-Fi radio
19. This is an interface which is used to pass image data from the camera hardware to the application.
PackageManager
SurfaceHolder.Callback
drawText()
Account Manager
20. Relative to pixels and resolution screen
LocationManager
Hierarchy Viewer
security sandbox
Dots per inch
21. Android provides this handy method to direct volume key presses to the audio stream the user specify.
ACTION_SEND
Parser
setVolumeControlStream()
AsyncTask
22. It is a free service for sending messages to Android devices.
onResume();
AsyncTask
SQLiteOpenHelper
Google Cloud Messaging (GCM)
23. Android system uses a special virtual machine to run java based applicatons
Dalvik Virtual Machine
AccountAuthenticatorActivity
ACTION_DOCK_EVENT
visible
24. It includes a Detailed Network Usage tab that makes it possible to track when your application is making network requests.
Stack
Stack - back stack
Android SDK
Dalvik Debug Monitor Server
25. On a rooted device - the credentials would be readable by anyone with this access to the device.
adb
AsyncTask
View
HTTP
26. In order to get a list of accounts on the device - your app needs this permission.
drawBitmap()
ConnectivityManager
onStart() - onStop()
GET_ACCOUNTS
27. These helpers are specialized classes for backing up certain kinds of data.
ShareActionProvider
BackupHelper
ETC1
SQLite
28. It is a subclass of PreferenceActivity.
Standby
Google Cloud Messaging (GCM)
SettingsActivity
onMeasure()
29. This class provides one of the simplest ways to fire off a new task from the UI thread.
AsyncTask
visible
ShareActionProvider
View
30. 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?
SettingsActivity
AttributeSet
AudioManager
SQLite
31. The ____ lifetime of an activity happens between the call to onCreate() and the call to onDestroy().
AudioManager
Stack
Entire
HttpURLConnection
32. This is set up to animate for the duration of the fling.
BackupHelper
ValueAnimator
Intents
searchable configuration
33. This class computes scroll positions for you - but it does not automatically apply those positions to your view.
Scroller
OAuth2
Hierarchy Viewer
BatteryManager
34. A styleable entity that contains these two custom attributes: showText and labelPosition.
OnCurrentItemChanged
PieChart
GestureDetector
EXTRA_STREAM
35. It made implementing an effective and user friendly share action in your ActionBar even easier.
Account
GET_ACCOUNTS
ActionProvider
Low power
36. This is used for the need of finer control over your view's layout parameters.
BackupHelper
Widgets
onMeasure()
Wi-Fi radio
37. It is a string that defines the specific type of access your app is asking for.
SearchView
LocationManager
AbstractAccountAuthenticator
auth scope
38. 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.
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
security sandbox
OAuth2
resolveSizeAndState()
39. Evaluation of registered components
Implicit intent
ValueAnimator
onSearchRequested()
onCreate() - onDestroy()
40. When a new activity starts - it is pushed onto the ____ and takes user focus.
Back stack
Full power
AndroidManifest.xml
Account
41. Theseare a key part of Android applications that directly affect the user experience.
Objects Activity lifecycle
virtual table
Layouts
Scroller
42. PieChart exposes a custom event to notify listeners that the user has rotated the pie chart to focus on a new pie slice.
OnCurrentItemChanged
ActionProvider
When the activity resumes
Activity
43. It is a set of rules for encoding documents in machine-readable form.
SearchView
Extensible Markup Language (XML)
AbstractAccountAuthenticator
SearchView
44. The back stack abides to the basic "last in - first out" stack mechanism - so - when the user is done with the current activity and presses the Back button - it is popped from the stack (and ____) and the ____ activity resumes
Dots per inch
AttributeSet
Destroyed - previous
Linux based
45. Use this to draw bitmaps.
PackageManager
ACTION_DOCK_EVENT
drawBitmap()
BroadcastReceiver
46. Necessary tools to develop Android applications
Android SDK
Full power
SQLite
getInputStream()
47. To create an activity - you must create a subclass of
Activity
dual-
Dalvik Debug Monitor Server
Scroller
48. This is used to register and de-register your media button event receiver.
Scroller
AudioManager
HttpURLConnection
Android SDK
49. Conversion of XML back to an object
Standby
Deserialize
Entire
View
50. This is the main class through which your application can access location services on Android.
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
SettingsActivity
LocationManager
onDraw()