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






2. Conversion of an object to XML






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






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






5. 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.






6. Direct component call in Android






7. Theseare a key part of Android applications that directly affect the user experience.






8. Android request its permission using its ________






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






10. 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 ___ .






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






12. Callback method: The activity is being created.






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






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






15. This is used to fetch the account names that the user has stored on their device.






16. Shows the actual amount of memory the application uses






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






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






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






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






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






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






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






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






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






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






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






28. 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






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






30. Sharing of data in Android is done via________






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






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






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






34. Use this to draw text.






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






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






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






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






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






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






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






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






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






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






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






46. Where Android is currently primarily developed






47. 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?






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






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






50. Relative to pixels and resolution screen