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






2. 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?






3. Use this to draw bitmaps.






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






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






6. Sharing of data in Android is done via________






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






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






9. The Android SDK tools include a tool that allows you to analyze your layout while your application is running.






10. Callback method: The activity is being created.






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






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






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






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






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






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






17. Evaluation of registered components






18. 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 ___ .






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






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






21. This widget as an item in the action bar is the preferred way to provide search in your app.






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






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






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






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






26. Android request its permission using its ________






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






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






29. Direct component call in Android






30. An open source group led by Google






31. Android is __________.






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






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






34. 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.






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






36. 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.






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






38. 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






39. Callback method: The activity is no longer visible






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






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






42. Callback method: Another activity is taking focus






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






44. Conversion of XML back to an object






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






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






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






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






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






50. 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