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. Callback method: The activity has become visible.






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






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






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






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






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






7. Callback method: The activity is being created.






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






9. 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






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






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






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






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






14. It is an efficient and maintainable way to parse XML on Android.






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






16. You can reacquire the necessary resources and resume actions that were interrupted. These state transitions are all part of the _________






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






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






19. 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.






20. An open source stand alone database






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






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






23. The industry standard way to deal with authentication to third-party services.






24. This class exposes a number of methods for applications to receive location updates.






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






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






27. The most common way to define a layout using views is with an XML layout file saved in your ______






28. Represents the visual representation of an Android application






29. The receiver is triggered whenever the device battery becomes low or exits the low condition by listening for this two.






30. Shows the actual amount of memory the application uses






31. The helper method is used to create the final width and height values.






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






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






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






35. 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?






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






37. Relative to pixels and resolution screen






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






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






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






41. Where Android is currently primarily developed






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






43. Conversion of an object to XML






44. Android provides this handy method to direct volume key presses to the audio stream the user specify.






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






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






48. Evaluation of registered components






49. It is used to load images in a background thread - then apply them to the UI once finished.






50. 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?