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 an efficient and maintainable way to parse XML on Android.






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






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






4. Callback method: The activity has become visible.






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






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






7. 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






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






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






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






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






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






13. It is an HTTP client that is used for applications targeted at Gingerbread and higher.






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






15. An open source group led by Google






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






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






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






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






20. 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.






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






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






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






24. Amode where the action bar is set up with tabs for navigation.






25. Conversion of an object to XML






26. It is a subclass of PreferenceActivity.






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






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






29. 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?






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






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






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






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






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






35. You can set the layout as the UI for your activity with passing the resource ID for the layout.






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






37. 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.






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






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






40. Evaluation of registered components






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. PieChart exposes a custom event to notify listeners that the user has rotated the pie chart to focus on a new pie slice.






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






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






45. Callback method: Another activity is taking focus






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. This class defines abstract methods that you must override so that your database table can be created and upgraded when necessary.






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






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






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