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. Android provides this handy method to direct volume key presses to the audio stream the user specify.






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






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






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






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






6. 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.






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






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






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






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






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






12. This class exposes a number of methods for applications to receive location updates.






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






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






15. Each time a new activity starts - the previous activity is stopped - but the system preserves the activity in a _____ (the ______).






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






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






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






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






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






21. It is a subclass of PreferenceActivity.






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






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






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






25. This widget as an item in the action bar is the preferred way to provide search in your app.






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






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






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






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






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






31. Represents the visual representation of an Android application






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






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






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






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






36. Perform background tasks without providing a user interface






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






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






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






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






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






42. Where Android is currently primarily developed






43. The ____ lifetime of an activity happens between the call to onCreate() and the call to onDestroy().






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






45. 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






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






47. Conversion of an object to XML






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






49. An open source group led by Google






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







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