Is it possible to add an array or object to SharedPreferences on Android

Question

I have an ArrayList of objects that have a name and an icon pointer and I want to save it in SharedPreferences. How can I do?

NOTE:

Answer 1

You can use putStringSet

This allow you to save a HashSet in your preferences, just like this:

Save

Set values;

SharedPreferences sharedPref = 
    mContext.getSharedPreferences(PREF_KEY, Context.MODE_PRIVATE);

Editor editor = sharedPref.edit();

editor.putStringSet("YOUR_KEY", values);
editor.apply();

Retrive

SharedPreferences sharedPref = 
    mContext.getSharedPreferences(PREF_KEY, Context.MODE_PRIVATE);

Editor editor = sharedPref.edit();

Set newList = editor.getStringSet("YOUR_KEY", null);

The putStringSet allow just a Set and this is an unordered list.