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






2. It is used to toggle the enabled state on any component defined in the manifest - including whichever broadcast receivers you wish to enable or disable






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






4. An open source group led by Google






5. Callback method: The activity is about to be destroyed.






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






7. Conversion of XML back to an object






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






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






10. 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






11. 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.






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






13. Direct component call in Android






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






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






16. 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 _____






17. The minimal energy state during which no network connection is active or required.






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






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






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






21. 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.






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






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






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






25. An open source stand alone database






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






27. Android is __________.






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






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






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






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






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






33. Sharing of data in Android is done via________






34. Binary data is shared using the ACTION_SEND action combined with setting the appropriate MIME type and placing the URI to the data in an extra named called?






35. 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 ___ .






36. In order for the AccountManager to work with your custom account code - you need this class that implements the interfaces that AccountManager expects.






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






38. Your activity should perform setup of "global" state (such as defining layout) in ____ and release all remaining resources in _____






39. Callback method: The activity has become visible.






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






41. Use this to draw text.






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






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






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






45. Callback method: The activity is no longer visible






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






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






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






49. This search feature was introduced in Android 3.0 and can maintain backward compatibility with older versions of Android by using the default search dialog provided by the system.






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