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 toggle the enabled state on any component defined in the manifest - including whichever broadcast receivers you wish to enable or disable






2. Callback method: Another activity is taking focus






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






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






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






6. An open source group led by Google






7. Callback method: The activity is being created.






8. 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.






9. Once a connection has been established - the app uses this method to retrieve the data as an InputStream.






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






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






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






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






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






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






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






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






18. 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.






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






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






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






22. Relative to pixels and resolution screen






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






24. Callback method: The activity is no longer visible






25. This is the main class through which your application can access location services on Android.






26. This is a readable source of bytes.






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






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






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






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






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






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






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






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






35. Theseclasses simplify the steps required to enhance your app with powerful platform features or effectively optimize your app performance.






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






37. 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






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






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






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






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






42. 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.






43. Android request its permission using its ________






44. This class provides one of the simplest ways to fire off a new task from the UI thread.






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






46. Sharing of data in Android is done via________






47. 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.






48. 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






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






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