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. 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.






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






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






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






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






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






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






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






10. 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 _____






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






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






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






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






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






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






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






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






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






20. 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.






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






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






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






24. Callback method: The activity is being created.






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






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






27. It is a subclass of PreferenceActivity.






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






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






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






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






32. Android request its permission using its ________






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






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






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






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






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






38. Necessary tools to develop Android applications






39. The Android SDK tools include a tool that allows you to analyze your layout while your application is running.






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






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






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






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






44. An open source stand alone database






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






46. Use this to draw text.






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






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






49. This callback method of the audio focus change listener you registered when requesting audio focus receives a parameter that describes the focus change event.






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