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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. It includes a Detailed Network Usage tab that makes it possible to track when your application is making network requests.
Dalvik Debug Monitor Server
onCreate() - onDestroy()
SQLiteOpenHelper
SurfaceHolder.Callback
2. The entire lifetime of an activity happens between the call to _____ and the call to _____
Component - screen
onCreate() - onDestroy()
Low power
adb
3. It is a set of rules for encoding documents in machine-readable form.
searchable configuration
Extensible Markup Language (XML)
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
EXTRA_STREAM
4. For instance - when stopped - your activity should release any large ____ - such as network or database connections.
Google Play
Paint
Objects Activity lifecycle
isConnected()
5. It is a string that defines the specific type of access your app is asking for.
ShareActionProvider
onCreate() - onDestroy()
ACTION_SEND
auth scope
6. 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 ___ .
OnCurrentItemChanged
Stack
GET_ACCOUNTS
touch
7. Android system uses a special virtual machine to run java based applicatons
onCreate();
Dalvik Virtual Machine
<declare-styleable>
BatteryManager
8. Use this to draw text.
drawText()
Back stack
OnCurrentItemChanged
visible
9. The ____ lifetime of an activity happens between the call to onStart() and the call to onStop().
visible
ACTION_DOCK_EVENT
PackageManager
AudioManager
10. Are used in activities to create the user interface and to interact with the user.
ValueAnimator
Fragments
ActionProvider
LTE
11. When an activity is stopped because a new activity starts - it is notified of this change in state through the activity's _______ .
Lifecycle callback methods
Linux based
BackupHelper
Dalvik Virtual Machine
12. This is used to fetch the account names that the user has stored on their device.
Scroller
Account Manager
Intent filters
getInputStream()
13. To respond to media button clicks - you need to register this in your manifest that listens for this action broadcast.
ACTION_BATTERY_LOW and ACTION_BATTERY_OKAY
BroadcastReceiver
InputStream
Scroller
14. It is a free service for sending messages to Android devices.
OAuth2 protocol
SecurityException
Google Cloud Messaging (GCM)
AccountAuthenticatorActivity
15. Android is __________.
AsyncTask
Implicit intent
Linux based
Paint
16. Answers queries about the state of network connectivity. It also notifies applications when network connectivity changes.
setContentView
Activity
ConnectivityManager
Layouts
17. It made implementing an effective and user friendly share action in your ActionBar even easier.
Entire
ActionProvider
Implicit intent
AndroidManifest.xml
18. This handles cases like flaky mobile networks - airplane mode - and restricted background data.
AsyncTask
Extensible Markup Language (XML)
getInputStream()
isConnected()
19. Once installed on a device - each Android application lives in its own ______
When the activity resumes
security sandbox
Dalvik Virtual Machine
OnCurrentItemChanged
20. 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.
BroadcastReceiver
Back stack
OAuth2
Parser
21. It inform the system what intents an application component is willing to accept.
ConnectivityManager
Stack - back stack
ACTION_SEND
Intent filters
22. A service in which programmers can offer their Android application to Android users.
AbstractAccountAuthenticator
Paint
Canvas
Google Play
23. The most common way to define a layout using views is with an XML layout file saved in your ______
authenticator class
onCreate() - onDestroy()
visible
Application resources
24. PieChart exposes a custom event to notify listeners that the user has rotated the pie chart to focus on a new pie slice.
SecurityException
Component - screen
Google Play
OnCurrentItemChanged
25. Callback method: The activity is no longer visible
Stack
getInputStream()
onStop();
Emulator
26. This is a lightweight view with no dimension and doesn't draw anything or participate in the layout.
Account
drawBitmap()
ViewStub
onCreate() - onDestroy()
27. Used when a connection is active - allowing the device to transfer data at its highest possible rate.
OAuth2
drawText()
Full power
Intents
28. 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 _____
adb
onCreate() - onDestroy()
AsyncTask
ACTION_DOCK_EVENT
29. The dock-state details are included as an extra in a sticky broadcast of this action.
setVolumeControlStream()
ACTION_DOCK_EVENT
setContentView
Google
30. Callback method: The activity is no longer visible.
onPause();
AsyncTask
onStop();
SurfaceHolder.Callback
31. A mode where navigation is set up with a spinner widget.
AndroidManifest.xml
BatteryManager
single-pane
Linux based
32. Use this to draw bitmaps.
Paint
drawBitmap()
AsyncTask
drawText()
33. This is used to register and de-register your media button event receiver.
AudioManager
Activity
PackageManager
getInputStream()
34. The easiest way to create an authenticator class is to extend this and implement its abstract methods.
AbstractAccountAuthenticator
SurfaceHolder.Callback
SurfaceView
Dots per inch
35. 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.
ConnectivityManager
ViewStub
Ducking
setVolumeControlStream()
36. It is an efficient and maintainable way to parse XML on Android.
Full power
XmlPullParser
Implicit intent
Scroller
37. This behaves similarly to a SQLite table - but reads and writes to an object in memory via callbacks - instead of to a database file.
virtual table
LTE
SurfaceHolder.Callback
onDraw()
38. This broadcasts all battery and charging details in a sticky Intent that includes the charging status.
Google Cloud Messaging (GCM)
onStart() - onStop()
BatteryManager
Scroller
39. This is the simplest way to monitor device state changes.
Open Handset Alliance
BroadcastReceiver
onCreate() - onDestroy()
AndroidManifest.xml
40. Necessary tools to develop Android applications
Android SDK
BatteryManager
SettingsActivity
BroadcastReceiver
41. It doesn't currently support the <merge/> tag in the layouts to be inflated.
GestureDetector
ViewStub
<declare-styleable>
Lifecycle callback methods
42. The helper method is used to create the final width and height values.
AsyncTask
Layouts
Fragments
resolveSizeAndState()
43. Android provides this handy method to direct volume key presses to the audio stream the user specify.
Geocoder
NetworkInfo
Linux based
setVolumeControlStream()
44. 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()
getInputStream()
android.hardware.touchscreen
onCreate() - onDestroy()
45. It is used as a reverse-geocoding where translating latitude longitude coordinates to a human-readable address happens.
Application footprint
onMeasure()
Geocoder
visible
46. Theseclasses simplify the steps required to enhance your app with powerful platform features or effectively optimize your app performance.
setContentView
Advanced Training
adb
searchable configuration
47. For example - a ____ might be a button that initiates an action when the user touches it.
onCreate() - onDestroy()
Android SDK
Explicit intent
View
48. It is a lightweight mechanism used to transmit data from a server to a particular app instance.
onPause();
onStart() - onStop()
Back stack
Google Cloud Messaging for Android (GCM)
49. 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
Full power
Destroyed - previous
ConnectivityManager
Fragments
50. Conversion of XML back to an object
Deserialize
Extensible Markup Language (XML)
View
BroadcastReceiver
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