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






2. 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.






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






4. Theseare a key part of Android applications that directly affect the user experience.






5. Relative to pixels and resolution screen






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






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






8. If you want your APK to be visible on TVs which are non-touchscreen devices you should add this to your manifest.






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






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






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






12. 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






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






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






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






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






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






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






19. Shows the actual amount of memory the application uses






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






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






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






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






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






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






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






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






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






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






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






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






32. 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.






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






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






35. An open source group led by Google






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






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






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






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






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






41. Use this to draw text.






42. 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?






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






44. Callback method: The activity is no longer visible






45. 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






46. Conversion of an object to XML






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






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






49. This class exposes a number of methods for applications to receive location updates.






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