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. Callback method: The activity is no longer visible






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






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






4. Necessary tools to develop Android applications






5. 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?






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






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






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






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






10. Perform background tasks without providing a user interface






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






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






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






14. It's generally a good idea for one of your APKs to support this texture format as it is supported by all Android-powered devices that support the OpenGL ES 2.0 spec.






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






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






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






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






19. Relative to pixels and resolution screen






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






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






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






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






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






25. 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






26. Use this to draw bitmaps.






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






28. This class is the basis for handling flywheel-style fling gestures.






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






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






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






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






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






34. 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.






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






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






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






38. An open source group led by Google






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






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






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






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






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






44. Where Android is currently primarily developed






45. 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?






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






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






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






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






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