Issue
I want to save/recall an integer array using SharedPreferences, is this possible?
Solution
You can try to do it this way:
Put your integers into a string, delimiting every int by a character, for example a comma, and then save them as a string:
SharedPreferences prefs = getPreferences(MODE_PRIVATE); int[] list = new int[10]; StringBuilder str = new StringBuilder(); for (int i = 0; i < list.length; i++) { str.append(list[i]).append(","); } prefs.edit().putString("string", str.toString());
Get the string and parse it using StringTokenizer:
String savedString = prefs.getString("string", ""); StringTokenizer st = new StringTokenizer(savedString, ","); int[] savedList = new int[10]; for (int i = 0; i < 10; i++) { savedList[i] = Integer.parseInt(st.nextToken()); }
Answered By - Egor
Answer Checked By - Katrina (JavaFixing Volunteer)