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






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






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






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






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






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






7. This broadcasts an action whenever the device is connected or disconnected from power.






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






9. Direct component call in Android






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






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






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






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






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






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






16. 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.






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






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






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






20. 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






21. Relative to pixels and resolution screen






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






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






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






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






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






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






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






29. Android is __________.






30. is run when running Android on the pc






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






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






33. 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 _____






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






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






36. A styleable entity that contains these two custom attributes: showText and labelPosition.






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






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






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






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






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






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






43. In most cases this will offer greater bandwidth at a significantly lower battery cost.






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






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






46. Conversion of an object to XML






47. This is a readable source of bytes.






48. This is set up to animate for the duration of the fling.






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






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