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






2. An open source group led by Google






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






4. This is a readable source of bytes.






5. This broadcasts an action whenever the device is connected or disconnected from power.






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






7. is run when running Android on the pc






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






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






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






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






12. It is called to invoke the search dialog on older devices.






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






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






15. The receiver is triggered whenever the device battery becomes low or exits the low condition by listening for this two.






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






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






18. Evaluation of registered components






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






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






21. This is an interface which is used to pass image data from the camera hardware to the application.






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






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






24. Callback method: The activity is being created.






25. Direct component call in Android






26. The dock-state details are included as an extra in a sticky broadcast of this action.






27. Android is __________.






28. 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?






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






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






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






32. 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.






33. Android request its permission using its ________






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






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






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






37. Conversion of an object to XML






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






39. Conversion of XML back to an object






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






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






42. Are used in activities to create the user interface and to interact with the user.






43. This handles cases like flaky mobile networks - airplane mode - and restricted background data.






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






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






46. Whenever the device is docked or undocked - this action is broadcast.






47. Perform background tasks without providing a user interface






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






49. Shows the actual amount of memory the application uses






50. This broadcasts all battery and charging details in a sticky Intent that includes the charging status.