Test your basic knowledge |

Android Programming

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 the most common input event in the Android system.






2. It is a string that defines the specific type of access your app is asking for.






3. Callback method: The activity is no longer visible.






4. It is a subclass of PreferenceActivity.






5. Shows the actual amount of memory the application uses






6. Represents the visual representation of an Android application






7. This method returns the inflated View once complete so you don't need to call findViewById() if you need to interact with the layout.






8. 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 _____






9. It is a free service for sending messages to Android devices.






10. It made implementing an effective and user friendly share action in your ActionBar even easier.






11. This class computes scroll positions for you - but it does not automatically apply those positions to your view.






12. It doesn't currently support the <merge/> tag in the layouts to be inflated.






13. PieChart exposes a custom event to notify listeners that the user has rotated the pie chart to focus on a new pie slice.






14. In order for the AccountManager to work with your custom account code - you need this class that implements the interfaces that AccountManager expects.






15. This behaves similarly to a SQLite table - but reads and writes to an object in memory via callbacks - instead of to a database file.






16. Relative to pixels and resolution screen






17. An intermediate state that uses around 50% of the battery power at the full state.






18. This can be used to draw previews of what the camera sensor is picking up.






19. The ____ lifetime of an activity happens between the call to onStart() and the call to onStop().






20. Callback method: Another activity is taking focus






21. Android system uses a special virtual machine to run java based applicatons






22. Direct component call in Android






23. Once a connection has been established - the app uses this method to retrieve the data as an InputStream.






24. On a rooted device - the credentials would be readable by anyone with this access to the device.






25. Android provides this handy method to direct volume key presses to the audio stream the user specify.






26. This callback method of the audio focus change listener you registered when requesting audio focus receives a parameter that describes the focus change event.






27. The minimal energy state during which no network connection is active or required.






28. For example - a ____ might be a button that initiates an action when the user touches it.






29. In order to get a list of accounts on the device - your app needs this permission.






30. Describes the status of a network interface of a given type (currently either Mobile or Wi-Fi).






31. This defines how the SearchView behaves and is defined in a res/xml/searchable.xml file.






32. Your activity should perform setup of "global" state (such as defining layout) in ____ and release all remaining resources in _____






33. The industry standard way to deal with authentication to third-party services.






34. Necessary tools to develop Android applications






35. It typically consumes more energy than 3G - which is in turn more expensive than 2G.






36. It inform the system what intents an application component is willing to accept.






37. To respond to media button clicks - you need to register this in your manifest that listens for this action broadcast.






38. Perform background tasks without providing a user interface






39. This is set up to animate for the duration of the fling.






40. If you want your APK to be visible on TVs which are non-touchscreen devices you should add this to your manifest.






41. To create an activity - you must create a subclass of






42. This object contains an account name - which for Google accounts is an email address.






43. 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.






44. This class defines methods for drawing text - lines - bitmaps - and many other graphics primitives.






45. Callback method: The activity is being created.






46. Use this to draw text.






47. _____ are views that provide a visual (and interactive) elements for the screen - such as a button - text field - checkbox - or just an image.






48. This class is the basis for handling flywheel-style fling gestures.






49. It provides a simple way to perform your work outside the main thread.






50. An open source stand alone database







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