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






2. An open source stand alone database






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






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






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






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






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






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






9. Use this to draw text.






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






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






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






13. The Android framework has a large set of these classes for interacting with the user and displaying various types of data.






14. 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






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






16. It is an HTTP client that is used for applications targeted at Gingerbread and higher.






17. Where Android is currently primarily developed






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






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






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






21. 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 _____






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






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






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






25. Conversion of an object to XML






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






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






28. The back stack abides to the basic "last in - first out" stack mechanism - so - when the user is done with the current activity and presses the Back button - it is popped from the stack (and ____) and the ____ activity resumes






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






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






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






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






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






34. This action is used in sending text content from one activity to another.






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






36. Android is __________.






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






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






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






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






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






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






43. You can set the layout as the UI for your activity with passing the resource ID for the layout.






44. Callback method: The activity has become visible.






45. Android request its permission using its ________






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






47. On a rooted device - the credentials would be readable by anyone with this access to the device.






48. It is a subclass of PreferenceActivity.






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






50. Conversion of XML back to an object