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






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






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






5. Android is __________.






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






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






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






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






10. Callback method: The activity is no longer visible






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






12. Evaluation of registered components






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






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






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






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






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






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






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






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






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






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






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






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






25. Relative to pixels and resolution screen






26. 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 ___ .






27. Callback method: The activity is being created.






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






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






30. Converts XML Document to XML DOM






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






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






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






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






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






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






37. Direct component call in Android






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






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






40. 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.






41. 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.






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






43. 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.






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






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






46. It is used as a reverse-geocoding where translating latitude longitude coordinates to a human-readable address happens.






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






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






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






50. 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?