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






2. Callback method: Another activity is taking focus






3. 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






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






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






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






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






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






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






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






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






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






13. 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






14. Conversion of an object to XML






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






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






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






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






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






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






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






22. Perform background tasks without providing a user interface






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






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






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






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






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






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






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






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






31. It is an HTTP client that is used for applications targeted at Gingerbread and higher.






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






33. An _______ is an application component that provides a screen 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.






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






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






36. This is the simplest way to monitor device state changes.






37. Relative to pixels and resolution screen






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






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






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






41. It is a subclass of PreferenceActivity.






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






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






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






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






47. Where Android is currently primarily developed






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






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






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