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






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






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






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






5. This is a readable source of bytes.






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






7. 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






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






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






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






11. It provides a simple way to perform your work outside the main thread.






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






13. It is an HTTP client that is used for applications targeted at Gingerbread and higher.






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






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






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






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






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






19. Converts XML Document to XML DOM






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






21. Evaluation of registered components






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






23. Conversion of XML back to an object






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






25. 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.






26. Relative to pixels and resolution screen






27. Use this to draw bitmaps.






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






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






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






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






32. Conversion of an object to XML






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






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. ______ are views derived from ViewGroup that provide a unique layout model for its child views






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






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






38. To define custom attributes - add this resources to your project.






39. Callback method: The activity has become visible.






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






41. 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






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






43. is run when running Android on the pc






44. Theseare a key part of Android applications that directly affect the user experience.






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






46. Callback method: The activity is no longer visible






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






48. Shows the actual amount of memory the application uses






49. 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.






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







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