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






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






3. Shows the actual amount of memory the application uses






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






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






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






7. This class defines methods for drawing text - lines - bitmaps - and many other graphics primitives.






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






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






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






11. Converts XML Document to XML DOM






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






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






14. 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






15. This is a base class supplied by Android framework - which you can extend to create your own custom authenticator.






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






17. An open source stand alone database






18. 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 ___ .






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






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






21. 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.






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






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






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






26. Evaluation of registered components






27. 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.






28. An open source group led by Google






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






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






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






32. When a view is created from an XML layout - all of the attributes in the XML tag are read from the resource bundle and passed into the view's constructor as a what?






33. Conversion of XML back to an object






34. Callback method: Another activity is taking focus






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






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






37. Where Android is currently primarily developed






38. It made implementing an effective and user friendly share action in your ActionBar even easier.






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






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






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






42. Direct component call in Android






43. Android is __________.






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






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






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






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






48. 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






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






50. It is a subclass of PreferenceActivity.