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






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






3. Conversion of an object to XML






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






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






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






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






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






9. It inform the system what intents an application component is willing to accept.






10. Relative to pixels and resolution screen






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






12. Callback method: The activity is being created.






13. A styleable entity that contains these two custom attributes: showText and labelPosition.






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






15. An open source group led by Google






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






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






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






19. This is used to convert raw touch events into gestures.






20. It is a subclass of PreferenceActivity.






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






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






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






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






26. 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.






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






28. 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






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






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






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






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






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






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






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






36. For example - a ____ might be a button that initiates an action when the user touches it.






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






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






39. Callback method: Another activity is taking focus






40. 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 _____






41. It is a set of rules for encoding documents in machine-readable form.






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






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






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






45. The ____ lifetime of an activity happens between the call to onStart() and the call to onStop().






46. 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 ___ .






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






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






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






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.







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