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






2. 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






3. Direct component call in Android






4. Callback method: The activity has become visible.






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






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






7. 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 _____






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






9. Callback method: Another activity is taking focus






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






11. 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.






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






13. Necessary tools to develop Android applications






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






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






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






17. Conversion of an object to XML






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






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






20. Relative to pixels and resolution screen






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






22. Callback method: The activity is no longer visible






23. Perform background tasks without providing a user interface






24. 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.






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






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






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






28. It provides a simple way to perform your work outside the main thread.






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






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






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






32. The easiest way to create an authenticator class is to extend this and implement its abstract methods.






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






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






35. Converts XML Document to XML DOM






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






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






38. It made implementing an effective and user friendly share action in your ActionBar even easier.






39. For instance - when stopped - your activity should release any large ____ - such as network or database connections.






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






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






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






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






44. Android is __________.






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






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






47. Conversion of XML back to an object






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






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






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