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






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






3. Binary data is shared using the ACTION_SEND action combined with setting the appropriate MIME type and placing the URI to the data in an extra named called?






4. This class provides one of the simplest ways to fire off a new task from the UI thread.






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






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






7. 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.






8. An open source stand alone database






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






10. Conversion of an object to XML






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






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






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






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






15. Necessary tools to develop Android applications






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






17. Represents the visual representation of an Android application






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






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






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






21. Callback method: Another activity is taking focus






22. To create an activity - you must create a subclass of






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






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






25. A mode where navigation is set up with a spinner widget.






26. This is the simplest way to monitor device state changes.






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






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






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






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






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






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






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






34. Android request its permission using its ________






35. Use this to draw text.






36. Use this to draw bitmaps.






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






38. is run when running Android on the pc






39. This is a readable source of bytes.






40. 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.






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






42. 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.






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






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






45. Shows the actual amount of memory the application uses






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






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






48. This is the most common input event in the Android system.






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






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