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






2. Direct component call in Android






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






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






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






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






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






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






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






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






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






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






14. Converts XML Document to XML DOM






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






16. 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.






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






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






19. Necessary tools to develop Android applications






20. An open source group led by Google






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






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






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






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






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






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






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






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






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






30. Where Android is currently primarily developed






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






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






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






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






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






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






38. 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






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






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






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






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






43. 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.






44. This is a readable source of bytes.






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






46. 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.






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






48. Android is __________.






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






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







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