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 simplest way to monitor device state changes.






2. This is the main class through which your application can access location services on Android.






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






4. The helper method is used to create the final width and height values.






5. Conversion of an object to XML






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






7. 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






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






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






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






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






12. 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






13. 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






14. Perform background tasks without providing a user interface






15. 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.






16. It is an efficient and maintainable way to parse XML on Android.






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






18. Where Android is currently primarily developed






19. This is used to register and de-register your media button event receiver.






20. This is used for the need of finer control over your view's layout parameters.






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






22. Shows the actual amount of memory the application uses






23. 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?






24. 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.






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






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






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






28. A styleable entity that contains these two custom attributes: showText and labelPosition.






29. Allow to combine loosely coupled components to perform certain tasks






30. An open source stand alone database






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






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






33. For instance - when stopped - your activity should release any large ____ - such as network or database connections.






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






35. Represents the visual representation of an Android application






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






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






38. This is a readable source of bytes.






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






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






41. It is a lightweight mechanism used to transmit data from a server to a particular app instance.






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






43. Callback method: The activity is no longer visible






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






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






46. Theseclasses simplify the steps required to enhance your app with powerful platform features or effectively optimize your app performance.






47. 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 ___ .






48. This class defines abstract methods that you must override so that your database table can be created and upgraded when necessary.






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






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






Can you answer 50 questions in 15 minutes?



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