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. Direct component call in Android






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






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






4. 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.






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






6. An open source group led by Google






7. It provides a single value - called an auth token that represents both the user's identity and the application's authorization to act on the user's behalf.






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






9. is run when running Android on the pc






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






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






12. Conversion of an object to XML






13. Necessary tools to develop Android applications






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






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






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






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






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






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






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






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






22. This class defines methods for drawing text - lines - bitmaps - and many other graphics primitives.






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






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






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






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






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






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






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






30. Evaluation of registered components






31. 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






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






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






34. An _______ is an application component that provides a screen 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.






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






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






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






38. Perform background tasks without providing a user interface






39. It doesn't currently support the <merge/> tag in the layouts to be inflated.






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






41. Relative to pixels and resolution screen






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






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






44. It is the process of lowering your audio stream output volume to make transient audio from another app easier to hear without totally disrupting the audio from your own application.






45. Where Android is currently primarily developed






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






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






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






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






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