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






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






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






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






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






6. 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.






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






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






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






10. Shows the actual amount of memory the application uses






11. Represents the visual representation of an Android application






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






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






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






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






16. 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.






17. To respond to media button clicks - you need to register this in your manifest that listens for this action broadcast.






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






19. 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.






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






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






22. Use this to draw text.






23. 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?






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






25. Conversion of an object to XML






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






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






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






29. 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






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






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






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






33. 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 ___ .






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






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






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






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






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






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






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






41. Direct component call in Android






42. When a new activity starts - it is pushed onto the ____ and takes user focus.






43. Necessary tools to develop Android applications






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






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






46. If permissions are missing - the application will get this at runtime.






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






48. Android is __________.






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






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






Can you answer 50 questions in 15 minutes?



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