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






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






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






4. 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 _____






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






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






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






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






9. Callback method: The activity has become visible.






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






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






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






13. Use this to draw bitmaps.






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






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






16. Callback method: Another activity is taking focus






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






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






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






20. 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 ___ .






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






22. You can reacquire the necessary resources and resume actions that were interrupted. These state transitions are all part of the _________






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






24. Evaluation of registered components






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






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






27. Conversion of XML back to an object






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






29. Shows the actual amount of memory the application uses






30. Converts XML Document to XML DOM






31. 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?






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






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






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






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






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






37. An open source stand alone database






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






39. Use this to draw text.






40. 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






41. This is a readable source of bytes.






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






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






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






45. A service in which programmers can offer their Android application to Android users.






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






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






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






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






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