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. 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.






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






3. is run when running Android on the pc






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






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






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






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






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






9. This provides methods to define line's color - whether to fill a rectangle with a color or leave it empty - and defines the color - style - font - and so forth of each shape you draw.






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






11. Use this to draw bitmaps.






12. In order to get a list of accounts on the device - your app needs this permission.






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






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






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






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






17. ______ are views derived from ViewGroup that provide a unique layout model for its child views






18. 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.






19. When an activity is stopped because a new activity starts - it is notified of this change in state through the activity's _______ .






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






21. Represents the visual representation of an Android application






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






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






24. This class defines abstract methods that you must override so that your database table can be created and upgraded when necessary.






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






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






27. Most network-connected Android apps use this to send and receive data.






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






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






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






31. This is a readable source of bytes.






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






33. Callback method: The activity is no longer visible






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






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






36. Necessary tools to develop Android applications






37. The minimal energy state during which no network connection is active or required.






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






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






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






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






42. Where Android is currently primarily developed






43. 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






44. Relative to pixels and resolution screen






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






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






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






48. It is an efficient and maintainable way to parse XML on Android.






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






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