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






2. It is a subclass of PreferenceActivity.






3. Use this to draw bitmaps.






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






5. This is a readable source of bytes.






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






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






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






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






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






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






12. 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






13. Callback method: The activity is no longer visible






14. Represents the visual representation of an Android application






15. Callback method: The activity is being created.






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






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






18. Converts XML Document to XML DOM






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






20. Callback method: Another activity is taking focus






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






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






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






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






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






26. 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 ___ .






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






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






29. The dock-state details are included as an extra in a sticky broadcast of this action.






30. It is a set of rules for encoding documents in machine-readable form.






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






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






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






34. It's generally a good idea for one of your APKs to support this texture format as it is supported by all Android-powered devices that support the OpenGL ES 2.0 spec.






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






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






37. An open source stand alone database






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






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






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






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






42. The Android SDK tools include a tool that allows you to analyze your layout while your application is running.






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






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






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






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






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






48. Conversion of XML back to an object






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






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