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. Use this to draw text.






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






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






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






5. Binary data is shared using the ACTION_SEND action combined with setting the appropriate MIME type and placing the URI to the data in an extra named called?






6. Amode where the action bar is set up with tabs for navigation.






7. The minimal energy state during which no network connection is active or required.






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






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






10. Android request its permission using its ________






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






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






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






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






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






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






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






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






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






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






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






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






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






24. When a view is created from an XML layout - all of the attributes in the XML tag are read from the resource bundle and passed into the view's constructor as a what?






25. 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.






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






27. 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






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






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






30. 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.






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






32. It doesn't currently support the <merge/> tag in the layouts to be inflated.






33. is run when running Android on the pc






34. It is used to toggle the enabled state on any component defined in the manifest - including whichever broadcast receivers you wish to enable or disable






35. Perform background tasks without providing a user interface






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






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






38. 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.






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






40. This is the simplest way to monitor device state changes.






41. Necessary tools to develop Android applications






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






43. It provides a simple way to perform your work outside the main thread.






44. Sharing of data in Android is done via________






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






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






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






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






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






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







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