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






2. An open source stand alone database






3. This is a lightweight view with no dimension and doesn't draw anything or participate in the layout.






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






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






6. Necessary tools to develop Android applications






7. This object contains an account name - which for Google accounts is an email address.






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






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






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






11. Converts XML Document to XML DOM






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






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






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






15. 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.






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






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






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






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






20. Conversion of an object to XML






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






22. This callback method of the audio focus change listener you registered when requesting audio focus receives a parameter that describes the focus change event.






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






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






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






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






27. 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.






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






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






30. Callback method: The activity is no longer visible






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






32. Direct component call in Android






33. It is a subclass of PreferenceActivity.






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






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






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






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






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






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






40. 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 ___ .






41. An intermediate state that uses around 50% of the battery power at the full state.






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






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






44. 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






45. Shows the actual amount of memory the application uses






46. 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 _____






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






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






49. Where Android is currently primarily developed






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