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






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






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






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






5. Android request its permission using its ________






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






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






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






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






10. 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 ___ .






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






12. 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.






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






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






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






16. Shows the actual amount of memory the application uses






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






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






19. The entire lifetime of an activity happens between the call to _____ and the call to _____






20. 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.






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






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






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






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






25. This method returns the inflated View once complete so you don't need to call findViewById() if you need to interact with the layout.






26. Callback method: The activity is being created.






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






28. An open source stand alone database






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






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






31. Direct component call in Android






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






33. This provides methods to define line's color - whether to fill a rectangle with a color or leave it empty - and defines the color - style - font - and so forth of each shape you draw.






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






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






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






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






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






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






40. This is used to check that you're actually connected to the Internet and what type of connection is in place.






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






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






43. It is a subclass of PreferenceActivity.






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






45. Whenever the device is docked or undocked - this action is broadcast.






46. 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






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






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






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






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







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