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. 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






2. Conversion of an object to XML






3. Conversion of XML back to an object






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






5. It provides a simple way to perform your work outside the main thread.






6. Callback method: The activity is no longer visible






7. Callback method: The activity is about to be destroyed.






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






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






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






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






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






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






14. Relative to pixels and resolution screen






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






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






17. A mode where navigation is set up with a spinner widget.






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






19. 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






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






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






22. This is used for the need of finer control over your view's layout parameters.






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






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






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






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






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






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






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






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






31. Converts XML Document to XML DOM






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






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






34. 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?






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






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






37. An open source stand alone database






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






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






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






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






42. Represents the visual representation of an Android application






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






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






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






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






47. 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.






48. This is an interface which is used to pass image data from the camera hardware to the application.






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






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







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