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 is being created.






2. Android is __________.






3. This is the main class through which your application can access location services on Android.






4. Relative to pixels and resolution screen






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






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






7. Conversion of XML back to an object






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






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






10. Callback method: The activity is no longer visible






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






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






13. Callback method: The activity has become visible.






14. Use this to draw bitmaps.






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






16. Sharing of data in Android is done via________






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






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






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






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






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






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






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






24. This action is used in sending text content from one activity to another.






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






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






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






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






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






30. Android request its permission using its ________






31. 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.






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






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






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






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






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






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






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






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






40. It is a string that defines the specific type of access your app is asking for.






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






42. 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 ___ .






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






44. Perform background tasks without providing a user interface






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






46. 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.






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






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






49. This is an interface which is used to pass image data from the camera hardware to the application.






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