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






2. Callback method: The activity is being created.






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






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






5. Where Android is currently primarily developed






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






7. It made implementing an effective and user friendly share action in your ActionBar even easier.






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






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






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






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






12. Callback method: The activity has become visible.






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






14. An open source stand alone database






15. 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






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






17. PieChart exposes a custom event to notify listeners that the user has rotated the pie chart to focus on a new pie slice.






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






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






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






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






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






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






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






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






26. 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






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






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






29. Shows the actual amount of memory the application uses






30. Theseclasses simplify the steps required to enhance your app with powerful platform features or effectively optimize your app performance.






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






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






33. Callback method: Another activity is taking focus






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






35. 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?






36. 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?






37. Represents the visual representation of an Android application






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






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






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






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






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






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






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






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






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






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






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






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






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