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 an efficient and maintainable way to parse XML on Android.






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






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






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






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






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






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






8. 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






9. Direct component call in Android






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






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






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






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. This class defines methods for drawing text - lines - bitmaps - and many other graphics primitives.






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






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






17. Represents the visual representation of an Android application






18. 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?






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






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






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






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






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






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






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






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






27. An open source stand alone database






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






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






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






31. Evaluation of registered components






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






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






34. Android request its permission using its ________






35. Relative to pixels and resolution screen






36. Where Android is currently primarily developed






37. Callback method: The activity has become visible.






38. 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.






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






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






41. Use this to draw bitmaps.






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






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






44. 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 ___ .






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






46. Shows the actual amount of memory the application uses






47. 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.






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






49. It is a subclass of PreferenceActivity.






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