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 a free service for sending messages to Android devices.






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






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






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






5. 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.






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






7. This search feature was introduced in Android 3.0 and can maintain backward compatibility with older versions of Android by using the default search dialog provided by the system.






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






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






10. Callback method: The activity is about to be destroyed.






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






12. An open source group led by Google






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






14. Sharing of data in Android is done via________






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






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






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






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






19. 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 ___ .






20. Callback method: The activity is no longer visible






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






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






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






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






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






26. 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.






27. Android is __________.






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






29. 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






30. This is a readable source of bytes.






31. These helpers are specialized classes for backing up certain kinds of data.






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






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






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






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






36. This is used for the need of finer control over your view's layout parameters.






37. 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






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






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






40. Converts XML Document to XML DOM






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






42. Callback method: The activity has become visible.






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






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






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






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






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






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






49. Represents the visual representation of an Android application






50. This behaves similarly to a SQLite table - but reads and writes to an object in memory via callbacks - instead of to a database file.






Can you answer 50 questions in 15 minutes?



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