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. Callback method: The activity is no longer visible






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






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






4. Android request its permission using its ________






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






6. An open source stand alone database






7. Each activity can then start another activity in order to perform different actions. Each time a new activity starts - the previous activity is stopped - but the system preserves the activity in a ___ .






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






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






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






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






12. It is a free service for sending messages to Android devices.






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






14. It typically consumes more energy than 3G - which is in turn more expensive than 2G.






15. The industry standard way to deal with authentication to third-party services.






16. This broadcasts an action whenever the device is connected or disconnected from power.






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






18. 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?






19. Shows the actual amount of memory the application uses






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






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






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






23. Use this to draw text.






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






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






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






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






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






29. An open source group led by Google






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






31. Conversion of XML back to an object






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






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






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






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






36. Callback method: Another activity is taking focus






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






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






39. 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.






40. 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 _____






41. 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.






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






43. This includes tools to help you identify problems in your layout performance.






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






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






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






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






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






49. 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.






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