Java tutorial
//package com.java2s; import android.content.Context; import android.content.SharedPreferences; import java.util.ArrayList; import java.util.List; public class Main { public static List<Integer> readSp(Context context, String key) { SharedPreferences sp = getSharedPreferences(context); List<Integer> result = new ArrayList<Integer>(); String str = sp.getString(key, ""); if (str.length() > 0) { String[] split = str.split(":"); for (String string : split) { result.add(Integer.valueOf(string)); } } return result; } public static SharedPreferences getSharedPreferences(Context context) { return context.getSharedPreferences("config", Context.MODE_PRIVATE); } }