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






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






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






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






5. Necessary tools to develop Android applications






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






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






8. Callback method: Another activity is taking focus






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






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






11. When a new activity starts - it is pushed onto the ____ and takes user focus.






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






13. Callback method: The activity is being created.






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






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






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






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






18. 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.






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






20. Callback method: The activity is no longer visible






21. Conversion of an object to XML






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






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






24. This is a lightweight view with no dimension and doesn't draw anything or participate in the layout.






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






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






27. The Android framework has a large set of these classes for interacting with the user and displaying various types of data.






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






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






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






31. 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






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






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






34. Perform background tasks without providing a user interface






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






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






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






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






39. It is a subclass of PreferenceActivity.






40. Use this to draw text.






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






42. Converts XML Document to XML DOM






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






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






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






46. 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.






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






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






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






50. Shows the actual amount of memory the application uses