First you convert the Dart object to a map. Then you convert the map to a JSON string using jsonEncode . Finally, you can save the JSON string to shared preferences as you would any other string.
Read moreHow do I see SharedPreferences data in Flutter?
Implementation
Read moreIs 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 .
Read moreCan I store list in SharedPreferences Flutter?
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. …
Read moreHow do I save a model in SharedPreferences Flutter?
How to store/save class Data Model object data in…
Read moreWhat datatype is used in SharedPreferences?
SharedPreferences allows you to store primitive data types only ( boolean , float , long , int , String , and string set ).
Read moreHow do you implement SharedPreferences in Flutter?
Implementation
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