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






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






3. Binary data is shared using the ACTION_SEND action combined with setting the appropriate MIME type and placing the URI to the data in an extra named called?






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






5. If permissions are missing - the application will get this at runtime.






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






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






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






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






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






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






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






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






14. Conversion of XML back to an object






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






16. Callback method: The activity is being created.






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






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






19. You can set the layout as the UI for your activity with passing the resource ID for the layout.






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






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






22. Relative to pixels and resolution screen






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






24. 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






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






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






27. Callback method: The activity has become visible.






28. 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 ___ .






29. Describes the status of a network interface of a given type (currently either Mobile or Wi-Fi).






30. When an activity is stopped because a new activity starts - it is notified of this change in state through the activity's _______ .






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






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






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






34. It is used as a reverse-geocoding where translating latitude longitude coordinates to a human-readable address happens.






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






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






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






38. Shows the actual amount of memory the application uses






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






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






41. 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






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






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






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






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






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






47. This callback method of the audio focus change listener you registered when requesting audio focus receives a parameter that describes the focus change event.






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






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






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