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 open source group led by Google






2. 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?






3. PieChart exposes a custom event to notify listeners that the user has rotated the pie chart to focus on a new pie slice.






4. 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.






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






6. 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






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






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






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






10. 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.






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






12. 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.






13. Callback method: Another activity is taking focus






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






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






16. Represents the visual representation of an Android application






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






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






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






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






21. 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






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






23. Converts XML Document to XML DOM






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






25. This class is the basis for handling flywheel-style fling gestures.






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






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






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






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






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






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






32. 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






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






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






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






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






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






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






39. This is the main class through which your application can access location services on Android.






40. The dock-state details are included as an extra in a sticky broadcast of this action.






41. Use this to draw bitmaps.






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






43. It provides a single value - called an auth token that represents both the user's identity and the application's authorization to act on the user's behalf.






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






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






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






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






48. Evaluation of registered components






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






50. This is set up to animate for the duration of the fling.