public class PrefUtil {


    private Activity activity;

    // Constructor
    public PrefUtil(Activity activity) {
        this.activity = activity;
    }

    public void saveAccessToken(String token) {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
        SharedPreferences.Editor editor = prefs.edit();
        editor.putString("fb_access_token", token);
        editor.apply(); // This line is IMPORTANT !!!
    }


    public String getToken() {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
        return prefs.getString("fb_access_token", null);
    }

    public void clearToken() {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
        SharedPreferences.Editor editor = prefs.edit();
        editor.clear();
        editor.apply(); // This line is IMPORTANT !!!
    }

    public void saveFacebookUserInfo(String first_name,String last_name, String email, String gender, String profileURL){
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
        SharedPreferences.Editor editor = prefs.edit();
        editor.putString("fb_first_name", first_name);
        editor.putString("fb_last_name", last_name);
        editor.putString("fb_email", email);
        editor.putString("fb_gender", gender);
        editor.putString("fb_profileURL", profileURL);
        editor.apply(); // This line is IMPORTANT !!!
        Log.d("MyApp", "Shared Name : "+first_name+"\nLast Name : "+last_name+"\nEmail : "+email+"\nGender : "+gender+"\nProfile Pic : "+profileURL);
    }

    public void getFacebookUserInfo(){
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
        Log.d("MyApp", "Name : "+prefs.getString("fb_name",null)+"\nEmail : "+prefs.getString("fb_email",null));
    }




}