If data is lost when an app or the device stops running where was the data stored?
Answer: RAM
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Android Apps Chapter 11
- The SharedPreferences class provides one of the easiest ways to save and load data. Which specific data type does this refer to?
- The following permissions are necessary in the Android Manifest file to use which type of storage?
- If you have a large amount of data to store as persistent data, which of the following storage methods would be most efficient?
- All applications can read and write files placed on external storage. T/F
- Persistent data stores values permanently by placing the information in a file. T/F
- What is the maximum number of shared preferences you can create?
- Which type of file does the SharedPreferences object save data to?
- The persistent data structure is available in some form in every programming language. T/F
- SharedPreferences can be used to save only int and string primitive data. T/F
- Which data type is NOT supported by the SharedPreferences class?
- Android applications cannot save data for later retrieval if the application is closed. T/F
- Which of the following correctly completes the statement below to instantiate a SharedPreferences object?
- An undefined string value is set to a(n) ____________ value, which is represented by empty quotes.
- With Android, you have the option of storing persistent data only on the device's internal storage. T/F
- Which statement dynamically assigns an image named car in the drawable folder to an ImageView control?
- The code to create an instance of a SharedPreferences editor object named edit is ________.
- If a string value is undefined in a key's value, what is it set to?
- Which method is used to store integer data in a SharedPreferences object?
- The persistent _______ structure is available in some form in every programming language.
- Data stored in _____ is lost when the app (or the device) stops running.
- When you write data using SharedPreferences, with which SharedPreferences object can you make changes?
- The code to store the string "Hello" into a key named "greeting" using a SharedPreferences editor object named edit is _______.
- The _____ stores structured data in a private database.
- If a numeric value is undefined in a key's value, what is it set to?