How to use primary key in Shared Preferences in android?

I am novice to android. I want to use sharedpreferences in my app. I want to use id as primary key so that it is auto incremented whenever I add a new string value. It can be done by using SQLite, but that is very lengthy task. I want to make my app simple.

The insert.xml file is as follows:

package com.example.shiza.dailyquranquote;

import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;


public class InsertVerse extends ActionBarActivity {
    EditText verseContent;
    EditText verseId;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_insert_verse);
    }
    public void saveVerse( View view)
    {
        verseContent = (EditText)findViewById(R.id.insertVerse);
        verseId = (EditText)findViewById(R.id.insertId);


        SharedPreferences sharedPreferences = getSharedPreferences("QuranVerse",0);

        Editor editor = sharedPreferences.edit();

        editor.putInt("id", Integer.parseInt( verseId.getText().toString()));
        editor.putString("verse", verseContent.getText().toString());

    }

}