SharedPreferences pref; // Shared Preferences reference
    Editor editor;  // Editor reference for Shared preferences
    Context _context;   // Context
    int PRIVATE_MODE = 0;   // Shared preferences mode
    public static final String PREFER_NAME = "Session"; // Shared preferences file name
    public static final String IS_USER_LOGIN = "IsUserLoggedIn";    // Shared Preferences Keys
    public static final String KEY_USER = "User";   // Username
    public static final String KEY_PASS = "Pass";    // Password
    public static final String KEY_SIZE = "FontSize";    // Shared Preferences Keys
    public static final String KEY_COLOUR = "Colour";   // Username

    // Constructor
    public UserSession(Context context){
        this._context = context;
        pref = _context.getSharedPreferences(PREFER_NAME, PRIVATE_MODE);
        editor = pref.edit();
    }

    //Create login
    public void createLogin(String uName, String uPass){

        editor.putBoolean(IS_USER_LOGIN, true); // Storing login value as TRUE

        editor.putString(KEY_USER, uName);
        editor.putString(KEY_PASS, uPass);

        // commit changes
        editor.commit();
    }

    //Create login
    public void createUserSettings(String uSize, String uColour){

        editor.putString(KEY_SIZE, uSize);
        editor.putString(KEY_COLOUR, uColour);

        // commit changes
        editor.commit();
    }