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






2. The most common way to define a layout using views is with an XML layout file saved in your ______






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






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






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






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






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






8. This is set up to animate for the duration of the fling.






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






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






11. This is a readable source of bytes.






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






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






14. Callback method: The activity is being created.






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






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






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






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






19. This is used to register and de-register your media button event receiver.






20. 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.






21. 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?






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






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






24. Android request its permission using its ________






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






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






27. Shows the actual amount of memory the application uses






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






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






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






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






32. It is a subclass of PreferenceActivity.






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






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






35. This is used to fetch the account names that the user has stored on their device.






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






37. _____ are views that provide a visual (and interactive) elements for the screen - such as a button - text field - checkbox - or just an image.






38. The visible lifetime of an activity happens between the call to ____ and the call to ______






39. Use this to draw bitmaps.






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






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






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






43. Use this to draw text.






44. 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






45. Conversion of XML back to an object






46. 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.






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






48. 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 _____






49. Amode where the action bar is set up with tabs for navigation.






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







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