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. Conversion of an object to XML






2. Callback method: The activity is being created.






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






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






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






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






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






8. Callback method: The activity has become visible.






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






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






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






12. This is a readable source of bytes.






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






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






16. 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 ___ .






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






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






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






20. 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.






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






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






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






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






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






26. Android is __________.






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






28. The Android framework has a large set of these classes for interacting with the user and displaying various types of data.






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






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






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






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






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






34. 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






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






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






37. Callback method: Another activity is taking focus






38. This is used to check that you're actually connected to the Internet and what type of connection is in place.






39. Conversion of XML back to an object






40. Perform background tasks without providing a user interface






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






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






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






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






45. Represents the visual representation of an Android application






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






47. To create an activity - you must create a subclass of






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






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






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






Can you answer 50 questions in 15 minutes?



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