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






2. 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 ___ .






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






4. Evaluation of registered components






5. This is a lightweight view with no dimension and doesn't draw anything or participate in the layout.






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






7. This broadcasts all battery and charging details in a sticky Intent that includes the charging status.






8. Callback method: Another activity is taking focus






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






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






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






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






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






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






15. 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.






16. This can be used to draw previews of what the camera sensor is picking up.






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






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






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






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






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






22. Use this to draw bitmaps.






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






24. 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






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






26. 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?






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






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






29. Callback method: The activity is no longer visible






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






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






32. Once a connection has been established - the app uses this method to retrieve the data as an InputStream.






33. If permissions are missing - the application will get this at runtime.






34. Android is __________.






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






36. Perform background tasks without providing a user interface






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






38. Direct component call in Android






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






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






41. Allow to combine loosely coupled components to perform certain tasks






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






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






44. Use this to draw text.






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






46. 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.






47. The visible lifetime of an activity happens between the call to ____ and the call to ______






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






49. Conversion of an object to XML






50. 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.