Java convert ArrayList to string and back to ArrayList?

Question

I wanted to save an ArrayList to SharedPreferences so I need to turn it into a string and back, this is what I am doing:

// Save to shared preferences
Shared         


        

Answer 1

The page http://mjiayou.com/2015/07/22/exception-gson-internal-cannot-be-cast-to/ contains the following:

Type     type  = new TypeToken>(){}.getType();
List  list  = gson.fromJson(jsonString, type)

perhaps it will be helpful.