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






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






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






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






5. Are used in activities to create the user interface and to interact with the user.






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






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






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






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






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






11. Represents the visual representation of an Android application






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






13. 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.






14. Callback method: The activity is being created.






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






16. Android request its permission using its ________






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






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






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






20. Shows the actual amount of memory the application uses






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






22. This is used to check that you're actually connected to the Internet and what type of connection is in place.






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






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






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






26. Callback method: Another activity is taking focus






27. 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.






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






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






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






31. Use this to draw bitmaps.






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






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






34. Converts XML Document to XML DOM






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






36. 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






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






38. 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?






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






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






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






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






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






44. Use this to draw text.






45. Android provides this handy method to direct volume key presses to the audio stream the user specify.






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






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






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






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






50. 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.