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






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






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






4. This action is used in sending text content from one activity to another.






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






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






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






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






9. Each time a new activity starts - the previous activity is stopped - but the system preserves the activity in a _____ (the ______).






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






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






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






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






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






15. Evaluation of registered components






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






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






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






19. 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 _____






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






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






22. is run when running Android on the pc






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






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






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






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






27. Relative to pixels and resolution screen






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






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






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






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






32. Callback method: Another activity is taking focus






33. 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?






34. 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.






35. 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.






36. 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






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






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






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






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






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






42. Use this to draw bitmaps.






43. Perform background tasks without providing a user interface






44. Callback method: The activity is being created.






45. Callback method: The activity is no longer visible.






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






47. An open source stand alone database






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






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






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







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