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






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






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






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






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






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






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






8. Each activity can then start another activity in order to perform different actions. Each time a new activity starts - the previous activity is stopped - but the system preserves the activity in a ___ .






9. Callback method: The activity is being created.






10. Callback method: Another activity is taking focus






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






12. This is a readable source of bytes.






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






14. To define custom attributes - add this resources to your project.






15. Evaluation of registered components






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






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






18. In order for the AccountManager to work with your custom account code - you need this class that implements the interfaces that AccountManager expects.






19. Relative to pixels and resolution screen






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






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






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






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






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






25. Shows the actual amount of memory the application uses






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






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






28. Perform background tasks without providing a user interface






29. Binary data is shared using the ACTION_SEND action combined with setting the appropriate MIME type and placing the URI to the data in an extra named called?






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






31. It's generally a good idea for one of your APKs to support this texture format as it is supported by all Android-powered devices that support the OpenGL ES 2.0 spec.






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






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






34. 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.






35. An open source stand alone database






36. It is a string that defines the specific type of access your app is asking for.






37. 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.






38. Direct component call in Android






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






40. Android is __________.






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






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






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






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






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






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






47. 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.






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






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






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