Exam 11: Discover Persistent Data
Exam 1: Voila Meeting the Android49 Questions
Exam 2: Simplify the Android User Interface50 Questions
Exam 3: Engage Android User Input, Variables, Operations50 Questions
Exam 4: Explore Icons Decision Making Controls49 Questions
Exam 5: Investigate Android Lists, Arrays, and Web Browsers50 Questions
Exam 6: Jam Implementing Audio in Android Apps50 Questions
Exam 7: Reveal Displaying Pictures in a Gridview50 Questions
Exam 8: Design Using a Datepicker on a Tablet50 Questions
Exam 10: Move Creating Animation and Graphics50 Questions
Exam 11: Discover Persistent Data49 Questions
Exam 12: Finale Publishing Your Android App50 Questions
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The number of shared preferences you can create ____.
Free
(Multiple Choice)
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Correct Answer:
C
The persistent data structure is available in some form in every programming language.
Free
(True/False)
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Correct Answer:
True
________________________ stores data, which can be available to other apps on shared external storage.
(Short Answer)
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Use a ____ method to store the data in a SharedPreferences object.
(Multiple Choice)
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The code to instantiate a valid SharedPreferences object is ____________________.
(Short Answer)
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All applications on a device can access any files created by an app when they are saved with the internal storage method.
(True/False)
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To write key-value pair assignments to an XML data file, type ____________________.
(Short Answer)
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Before an app attempts to connect to a ____ connection, it should check to see whether an Internet connection is available.
(Multiple Choice)
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In a key-value pair, the key is a(n)____ that uniquely identifies the preference.
(Multiple Choice)
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When data users enter in an Android app is stored in ____, it is lost when the app or the device stops running.
(Multiple Choice)
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Android provides several options for you to save persistent application data.
(True/False)
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The persistent data ____________________ is available in some form in every programming language.
(Short Answer)
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One of the most effective ways to save simple application data to an Android device is by using the SharedPreferences ____.
(Multiple Choice)
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Data stored in ____________________ is lost when the app (or the device) stops running.
(Short Answer)
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A SharedPreferences object is store user data only as long as the user has the application open.
(True/False)
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Android applications cannot save data in order for the data to be retrieved later.
(True/False)
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