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






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






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






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






5. 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.






6. This class is the basis for handling flywheel-style fling gestures.






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






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






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






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






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






12. An open source group led by Google






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






14. 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






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






16. This is a readable source of bytes.






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






18. Callback method: The activity is no longer visible






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






20. Use this to draw text.






21. Represents the visual representation of an Android application






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






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






24. 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.






25. 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?






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






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






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






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






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






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






32. A service in which programmers can offer their Android application to Android users.






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






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






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






36. Relative to pixels and resolution screen






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






38. When a new activity starts - it is pushed onto the ____ and takes user focus.






39. A mode where navigation is set up with a spinner widget.






40. 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 ___ .






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






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






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






44. Necessary tools to develop Android applications






45. When an activity is stopped because a new activity starts - it is notified of this change in state through the activity's _______ .






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






47. Sharing of data in Android is done via________






48. 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.






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






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







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