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 a subclass of PreferenceActivity.






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






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






4. 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






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






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






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






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






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






10. Direct component call in Android






11. Use this to draw bitmaps.






12. Conversion of an object to XML






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






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






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






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






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






18. Callback method: The activity is being created.






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






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






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






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






23. This handles cases like flaky mobile networks - airplane mode - and restricted background data.






24. Converts XML Document to XML DOM






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






26. 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.






27. This object contains an account name - which for Google accounts is an email address.






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






29. is run when running Android on the pc






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






31. Where Android is currently primarily developed






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






33. 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.






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






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






36. Callback method: Another activity is taking focus






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






38. 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 ___ .






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






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






41. 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 _____






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






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






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






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






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






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






48. Evaluation of registered components






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






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