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






2. This defines how the SearchView behaves and is defined in a res/xml/searchable.xml file.






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






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






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






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






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






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






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






10. This is a readable source of bytes.






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






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






13. 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






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






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






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






17. 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






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






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






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






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






22. This is the most common input event in the Android system.






23. Conversion of XML back to an object






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






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






26. Conversion of an object to XML






27. Callback method: Another activity is taking focus






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






29. It is a lightweight mechanism used to transmit data from a server to a particular app instance.






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






31. Converts XML Document to XML DOM






32. Callback method: The activity has become visible.






33. Are used in activities to create the user interface and to interact with the user.






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






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






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






37. Relative to pixels and resolution screen






38. 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.






39. 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.






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






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






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






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






44. This object contains an account name - which for Google accounts is an email address.






45. is run when running Android on the pc






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






47. 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.






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






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






50. The ____ lifetime of an activity happens between the call to onStart() and the call to onStop().