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






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






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






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






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






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






7. It is available starting with API Level 14 and higher.






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






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






10. Evaluation of registered components






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






12. Callback method: Another activity is taking focus






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






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






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






16. This search feature was introduced in Android 3.0 and can maintain backward compatibility with older versions of Android by using the default search dialog provided by the system.






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






18. Represents the visual representation of an Android application






19. 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.






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






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






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






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






24. Used when a connection is active - allowing the device to transfer data at its highest possible rate.






25. Android is __________.






26. Direct component call in Android






27. Conversion of an object to XML






28. Callback method: The activity is being created.






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






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






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






32. 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.






33. Theseare a key part of Android applications that directly affect the user experience.






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






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






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






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






38. Sharing of data in Android is done via________






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






40. Callback method: The activity is no longer visible






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






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






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






44. Converts XML Document to XML DOM






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






46. It is a subclass of PreferenceActivity.






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






48. 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 ___ .






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






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