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






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






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






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






5. Use this to draw bitmaps.






6. Perform background tasks without providing a user interface






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






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






9. Evaluation of registered components






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






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






12. ______ are views derived from ViewGroup that provide a unique layout model for its child views






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






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






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






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






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






18. This is a readable source of bytes.






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






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






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






22. Conversion of an object to XML






23. Callback method: The activity has become visible.






24. This defines how the SearchView behaves and is defined in a res/xml/searchable.xml file.






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






26. Direct component call in Android






27. Android request its permission using its ________






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






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






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






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






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






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






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






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






36. It is a subclass of PreferenceActivity.






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






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






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






40. An open source group led by Google






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






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






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






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






45. 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 ___ .






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






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






48. Used when a connection is active - allowing the device to transfer data at its highest possible rate.






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






50. It is a set of rules for encoding documents in machine-readable form.






Can you answer 50 questions in 15 minutes?



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