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 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.






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






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






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






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






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






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






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






9. Once a connection has been established - the app uses this method to retrieve the data as an InputStream.






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






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






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






13. Where Android is currently primarily developed






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






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






16. This is used for the need of finer control over your view's layout parameters.






17. It is called to invoke the search dialog on older devices.






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






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






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






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






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






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






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






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






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






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






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






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






30. Relative to pixels and resolution screen






31. 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 _____






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






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






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






35. This is used to convert raw touch events into gestures.






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






37. It provides a simple way to perform your work outside the main thread.






38. 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.






39. 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 ___ .






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






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






42. Evaluation of registered components






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






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






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






46. You can reacquire the necessary resources and resume actions that were interrupted. These state transitions are all part of the _________






47. Perform background tasks without providing a user interface






48. 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.






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






50. This is a readable source of bytes.