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






2. 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






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






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






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






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






7. 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






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






9. Conversion of XML back to an object






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






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






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






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






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






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






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






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






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






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






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






21. Callback method: The activity is being created.






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






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






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






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






26. Evaluation of registered components






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






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






29. 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






30. 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 ___ .






31. Direct component call in Android






32. 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.






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






34. For example - if your activity has a thread running in the background to download data from the network - it might create that thread in _____ and then stop the thread in _____






35. 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.






36. 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.






37. Android request its permission using its ________






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






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






40. Where Android is currently primarily developed






41. 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?






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






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






44. 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?






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






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






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






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






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






50. Perform background tasks without providing a user interface