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. 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






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






3. 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.






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






5. Android is __________.






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






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






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






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






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






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






12. Callback method: The activity is being created.






13. It is used as a reverse-geocoding where translating latitude longitude coordinates to a human-readable address happens.






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






15. 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






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






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






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






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






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






21. This behaves similarly to a SQLite table - but reads and writes to an object in memory via callbacks - instead of to a database file.






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






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






24. Callback method: The activity is about to be destroyed.






25. Callback method: The activity is no longer visible






26. Conversion of XML back to an object






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






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






29. This is used to fetch the account names that the user has stored on their device.






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






45. An open source group led by Google






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






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






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






49. Android request its permission using its ________






50. This search feature was introduced in Android 3.0 and can maintain backward compatibility with older versions of Android by using the default search dialog provided by the system.