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






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






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






5. Callback method: The activity has become visible.






6. In order to get a list of accounts on the device - your app needs this permission.






7. This method returns the inflated View once complete so you don't need to call findViewById() if you need to interact with the layout.






8. It is a set of rules for encoding documents in machine-readable form.






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






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






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






12. Callback method: The activity is being created.






13. Android request its permission using its ________






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






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






16. Relative to pixels and resolution screen






17. 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.






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






19. This defines how the SearchView behaves and is defined in a res/xml/searchable.xml file.






20. An open source stand alone database






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






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






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






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






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






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






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






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






29. Direct component call in Android






30. Callback method: The activity is no longer visible.






31. Shows the actual amount of memory the application uses






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






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






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






35. To define custom attributes - add this resources to your project.






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






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






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






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






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






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






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






43. This is a readable source of bytes.






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






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






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






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






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






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






50. 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.