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






2. 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 ___ .






3. Callback method: The activity is being created.






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






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






6. It is available starting with API Level 14 and higher.






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






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






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






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






11. Conversion of an object to XML






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






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






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






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






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






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






18. Direct component call in Android






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






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






21. 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






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






23. Shows the actual amount of memory the application uses






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






25. To respond to media button clicks - you need to register this in your manifest that listens for this action broadcast.






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






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






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






29. When a view is created from an XML layout - all of the attributes in the XML tag are read from the resource bundle and passed into the view's constructor as a what?






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






31. 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.






32. Callback method: The activity has become visible.






33. 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.






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






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






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






37. Callback method: The activity is no longer visible






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






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






40. 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?






41. Where Android is currently primarily developed






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






43. This is a readable source of bytes.






44. Relative to pixels and resolution screen






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






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






47. Android request its permission using its ________






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






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






50. Perform background tasks without providing a user interface







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