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






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






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






4. 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 _____






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






6. 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 ___ .






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






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






9. Sharing of data in Android is done via________






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






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






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






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






14. Use this to draw bitmaps.






15. A mode where navigation is set up with a spinner widget.






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






17. Android is __________.






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






19. Shows the actual amount of memory the application uses






20. Relative to pixels and resolution screen






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






22. The visible lifetime of an activity happens between the call to ____ and the call to ______






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






24. Evaluation of registered components






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






26. An open source stand alone database






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






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






29. 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.






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






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






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






33. Describes the status of a network interface of a given type (currently either Mobile or Wi-Fi).






34. Callback method: The activity has become visible.






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






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






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






38. Callback method: The activity is no longer visible






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






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






41. Direct component call in Android






42. This provides methods to define line's color - whether to fill a rectangle with a color or leave it empty - and defines the color - style - font - and so forth of each shape you draw.






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






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






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






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






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






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






49. Conversion of XML back to an object






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