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. Relative to pixels and resolution screen






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






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






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






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






6. Callback method: The activity is being created.






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






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






9. 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.






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






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






12. 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






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






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






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






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






17. The Android SDK tools include a tool that allows you to analyze your layout while your application is running.






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






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






20. Use this to draw text.






21. 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.






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






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






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






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






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






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






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






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






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






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






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






33. This is used for the need of finer control over your view's layout parameters.






34. Answers queries about the state of network connectivity. It also notifies applications when network connectivity changes.






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






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






37. It is available starting with API Level 14 and higher.






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






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






40. This defines how the SearchView behaves and is defined in a res/xml/searchable.xml file.






41. Callback method: The activity has become visible.






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






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






44. Are used in activities to create the user interface and to interact with the user.






45. Where Android is currently primarily developed






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






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






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






49. This is used to fetch the account names that the user has stored on their device.






50. It is used to load images in a background thread - then apply them to the UI once finished.