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. Necessary tools to develop Android applications






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






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






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






5. Conversion of XML back to an object






6. A mode where navigation is set up with a spinner widget.






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






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






9. 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 ___ .






10. 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






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






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






13. Conversion of an object to XML






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






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






16. 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






17. An open source group led by Google






18. Evaluation of registered components






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






20. 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






21. Callback method: The activity has become visible.






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






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






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






25. 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.






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






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






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






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






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






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






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






33. An open source stand alone database






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






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






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






37. Perform background tasks without providing a user interface






38. Direct component call in Android






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






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






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






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






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






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






45. This is used to convert raw touch events into gestures.






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






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






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






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






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