Java tutorial
//package com.java2s; import android.app.Activity; import android.content.SharedPreferences; import android.preference.PreferenceManager; public class Main { private static SharedPreferences myPreferences; private static String myVill; private static String myDist; public static void changeToVillage(Activity theActivity) { initializeVillage(theActivity); myPreferences.edit().putString("Village", myVill); myPreferences.edit().putString("District", myDist); } private static void initializeVillage(Activity theActivity) { if (myPreferences == null) { myPreferences = PreferenceManager.getDefaultSharedPreferences(theActivity.getApplicationContext()); } } }