Helper Class for saving values in android using SharedPreferences

SharedPreferences.java

package com.dummyname.app;

import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;

public class SharedPreferences{

    SharedPreferences spf;
    SharedPreferences.Editor edit;

    public void save(String key, String value, Context mContext) {
      
        spf = PreferenceManager.getDefaultSharedPreferences(mContext);
        edit = spf.edit();
        edit.putString(key, value);
        edit.commit();

    }
  
}