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. Represents the visual representation of an Android application






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






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






4. Amode where the action bar is set up with tabs for navigation.






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






6. Use this to draw text.






7. Relative to pixels and resolution screen






8. 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






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






10. Sharing of data in Android is done via________






11. 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.






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






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






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






15. This is a readable source of bytes.






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






17. Use this to draw bitmaps.






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






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






20. The minimal energy state during which no network connection is active or required.






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






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






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






24. 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 ___ .






25. Conversion of an object to XML






26. 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






27. Perform background tasks without providing a user interface






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






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






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






31. Where Android is currently primarily developed






32. 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.






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






34. In order to get a list of accounts on the device - your app needs this permission.






35. An _______ is an application component that provides a screen 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.






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






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






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






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






40. 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.






41. Callback method: The activity is about to be destroyed.






42. is run when running Android on the pc






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






44. Creating drawing objects within this method significantly reduces performance and can make your UI appear sluggish.






45. An open source stand alone database






46. These helpers are specialized classes for backing up certain kinds of data.






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






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






49. If you want your APK to be visible on TVs which are non-touchscreen devices you should add this to your manifest.






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