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






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






3. Whenever the device is docked or undocked - this action is broadcast.






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






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






6. An open source stand alone database






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






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






9. This widget as an item in the action bar is the preferred way to provide search in your app.






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






11. 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 ___ .






12. When a new activity starts - it is pushed onto the ____ and takes user focus.






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






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






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






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






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






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






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






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






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






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






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






24. Callback method: The activity has become visible.






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






26. This broadcasts all battery and charging details in a sticky Intent that includes the charging status.






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






28. It inform the system what intents an application component is willing to accept.






29. Necessary tools to develop Android applications






30. 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.






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






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






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






34. Where Android is currently primarily developed






35. Android request its permission using its ________






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






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






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






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






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






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






42. 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.






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






44. Callback method: The activity is no longer visible






45. Conversion of XML back to an object






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






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






48. Converts XML Document to XML DOM






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






50. 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