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






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






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






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






5. It is a string that defines the specific type of access your app is asking for.






6. 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 ___ .






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






8. Use this to draw text.






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






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






11. When an activity is stopped because a new activity starts - it is notified of this change in state through the activity's _______ .






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






13. To respond to media button clicks - you need to register this in your manifest that listens for this action broadcast.






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






15. Android is __________.






16. Answers queries about the state of network connectivity. It also notifies applications when network connectivity changes.






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






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






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






20. It provides a single value - called an auth token that represents both the user's identity and the application's authorization to act on the user's behalf.






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






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






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






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. Callback method: The activity is no longer visible






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






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






28. 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 _____






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






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






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






32. Use this to draw bitmaps.






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






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






35. 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.






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






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






38. This broadcasts all battery and charging details in a sticky Intent that includes the charging status.






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






40. Necessary tools to develop Android applications






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






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






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






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






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






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






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






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






49. 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






50. Conversion of XML back to an object







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