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. The Android SDK tools include a tool that allows you to analyze your layout while your application is running.






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






3. It is used to load images in a background thread - then apply them to the UI once finished.






4. 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






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






6. It is an HTTP client that is used for applications targeted at Gingerbread and higher.






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






8. An open source stand alone database






9. Use this to draw bitmaps.






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






11. 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 ___ .






12. Callback method: The activity is about to be destroyed.






13. Answers queries about the state of network connectivity. It also notifies applications when network connectivity changes.






14. ______ are views derived from ViewGroup that provide a unique layout model for its child views






15. 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.






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






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






18. Amode where the action bar is set up with tabs for navigation.






19. The easiest way to create an authenticator class is to extend this and implement its abstract methods.






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






21. This is a readable source of bytes.






22. This is the simplest way to monitor device state changes.






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






24. Callback method: The activity is no longer visible






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






26. This search feature was introduced in Android 3.0 and can maintain backward compatibility with older versions of Android by using the default search dialog provided by the system.






27. To define custom attributes - add this resources to your project.






28. This is a base class supplied by Android framework - which you can extend to create your own custom authenticator.






29. These helpers are specialized classes for backing up certain kinds of data.






30. This class provides one of the simplest ways to fire off a new task from the UI thread.






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






32. It is a subclass of PreferenceActivity.






33. If permissions are missing - the application will get this at runtime.






34. This is the most common input event in the Android system.






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






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






37. A service in which programmers can offer their Android application to Android users.






38. is run when running Android on the pc






39. It includes a Detailed Network Usage tab that makes it possible to track when your application is making network requests.






40. Used when a connection is active - allowing the device to transfer data at its highest possible rate.






41. Relative to pixels and resolution screen






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






43. It is a set of rules for encoding documents in machine-readable form.






44. Callback method: The activity is being created.






45. You can set the layout as the UI for your activity with passing the resource ID for the layout.






46. This is used to check that you're actually connected to the Internet and what type of connection is in place.






47. The ____ lifetime of an activity happens between the call to onCreate() and the call to onDestroy().






48. An open source group led by Google






49. The visible lifetime of an activity happens between the call to ____ and the call to ______






50. Use this to draw text.