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






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






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






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






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






6. Relative to pixels and resolution screen






7. 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.






8. Android is __________.






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






10. An open source group led by Google






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






12. 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






13. 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 _____






14. This is a lightweight view with no dimension and doesn't draw anything or participate in the layout.






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






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






17. In most cases this will offer greater bandwidth at a significantly lower battery cost.






18. This is used to convert raw touch events into gestures.






19. Perform background tasks without providing a user interface






20. This is a readable source of bytes.






21. Android system uses a special virtual machine to run java based applicatons






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






23. Necessary tools to develop Android applications






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






25. In order to get a list of accounts on the device - your app needs this permission.






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






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






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






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






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






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






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






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






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






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






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






37. 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.






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






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






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






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






42. Callback method: The activity is no longer visible






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






44. An intermediate state that uses around 50% of the battery power at the full state.






45. Direct component call in Android






46. Amode where the action bar is set up with tabs for navigation.






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






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






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






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