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






2. 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






3. 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






4. Sharing of data in Android is done via________






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






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






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






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






9. 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.






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






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






12. Use this to draw text.






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






14. Use this to draw bitmaps.






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






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






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






18. An open source group led by Google






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






20. An open source stand alone database






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






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






23. Where Android is currently primarily developed






24. This includes tools to help you identify problems in your layout performance.






25. This is used to check that you're actually connected to the Internet and what type of connection is in place.






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






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






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






29. It is an efficient and maintainable way to parse XML on Android.






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






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






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






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






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






35. 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 ___ .






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






37. 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.






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






39. Callback method: The activity has become visible.






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






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






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






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






44. This method returns the inflated View once complete so you don't need to call findViewById() if you need to interact with the layout.






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






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






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






48. To create an activity - you must create a subclass of






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






50. This action is used in sending text content from one activity to another.