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






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






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






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






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






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






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






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






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






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






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






12. It is a subclass of PreferenceActivity.






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






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






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






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






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






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






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






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






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






22. Callback method: The activity has become visible.






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






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






25. 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 ___ .






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






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






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






29. Shows the actual amount of memory the application uses






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






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






32. For example - if your activity has a thread running in the background to download data from the network - it might create that thread in _____ and then stop the thread in _____






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






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






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






36. An open source group led by Google






37. The industry standard way to deal with authentication to third-party services.






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






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






40. Where Android is currently primarily developed






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






42. Perform background tasks without providing a user interface






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






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






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






46. Evaluation of registered components






47. Android request its permission using its ________






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






49. 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.






50. This broadcasts an action whenever the device is connected or disconnected from power.