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






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






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






4. Relative to pixels and resolution screen






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






6. 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






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






8. This class is the basis for handling flywheel-style fling gestures.






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






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






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






12. 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.






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






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






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






16. Necessary tools to develop Android applications






17. 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 _____






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






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






20. This includes tools to help you identify problems in your layout performance.






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






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






23. Callback method: The activity is no longer visible






24. This defines how the SearchView behaves and is defined in a res/xml/searchable.xml file.






25. Where Android is currently primarily developed






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






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






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






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






30. Use this to draw text.






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






32. Most network-connected Android apps use this to send and receive data.






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






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






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






36. Callback method: The activity is being created.






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






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






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






40. When a new activity starts - it is pushed onto the ____ and takes user focus.






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






42. This broadcasts an action whenever the device is connected or disconnected from power.






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






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






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






46. 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.






47. The industry standard way to deal with authentication to third-party services.






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






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






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







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