Is SharedPreferences Singleton?

Keep in mind that if your app uses more than 1 SharedPreference, by which I mean you use more than 1 setting name for your SharedPreferences, you can create Singleton class for each setting .

If you have a relatively small collection of key-values to save, you can use the shared_preferences plugin. The shared preferences plugin wraps NSUserDefaults on iOS and SharedPreferences on Android, providing a persistent store for simple data. …

How to store/save class Data Model object data in…

SharedPreferences allows you to store primitive data types only ( boolean , float , long , int , String , and string set ).

Implementation

SharedPreferences prefs = PreferenceManager. getDefaultSharedPreferences(this); String imgSett = prefs. getString(keyChannel, “”); if the value is saved in a SharedPreference in an Activity then this is the correct way to saving it.

Android’s built-in SharedPreferences storage mechanism allows us to store information that persists throughout the entire app . SharedPreferences allows you to create a file that stores primitive values as key-value pairs.