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






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






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






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






5. It is used as a reverse-geocoding where translating latitude longitude coordinates to a human-readable address happens.






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






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






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






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






10. The entire lifetime of an activity happens between the call to _____ and the call to _____






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






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






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






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






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






16. Where Android is currently primarily developed






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






18. 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 _____






19. In most cases this will offer greater bandwidth at a significantly lower battery cost.






20. This is a readable source of bytes.






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






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






23. An open source group led by Google






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






25. This is used to fetch the account names that the user has stored on their device.






26. Once installed on a device - each Android application lives in its own ______






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






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






29. Callback method: Another activity is taking focus






30. This includes tools to help you identify problems in your layout performance.






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






32. A mode where navigation is set up with a spinner widget.






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






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






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






36. It is available starting with API Level 14 and higher.






37. 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?






38. Use this to draw text.






39. 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.






40. Creating drawing objects within this method significantly reduces performance and can make your UI appear sluggish.






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






42. This is used to convert raw touch events into gestures.






43. You can reacquire the necessary resources and resume actions that were interrupted. These state transitions are all part of the _________






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






45. Conversion of XML back to an object






46. Use this to draw bitmaps.






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






48. 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






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






50. This widget as an item in the action bar is the preferred way to provide search in your app.