package net.zenconsult.android;
import java.util.Hashtable;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.preference.PreferenceManager;
public class StoreData {
 public static boolean storeData(Hashtable data, Context ctx) {
  SharedPreferences prefs = PreferenceManager
   .getDefaultSharedPreferences(ctx);
  String hostname = (String) data.get("hostname");
  int port = (Integer) data.get("port");
  boolean useSSL = (Boolean) data.get("ssl");
  Editor ed = prefs.edit();
  ed.putString("hostname", hostname);
  ed.putInt("port", port);
  ed.putBoolean("ssl", useSSL);
  return ed.commit();
 }
}

package net.zenconsult.android;
import java.util.Hashtable;
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
public class RetrieveData {
 public static Hashtable get(Context ctx) {
  String hostname = "hostname";
  String port = "port";
  String ssl = "ssl";
  Hashtable data = new Hashtable();
  SharedPreferences prefs = PreferenceManager
   .getDefaultSharedPreferences(ctx);
  data.put(hostname, prefs.getString(hostname, null));
  data.put(port, prefs.getInt(port, 0));
  data.put(ssl, prefs.getBoolean(ssl, true));
  return data;
 }
}

package net.zenconsult.android;
import java.util.Hashtable;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.widget.EditText;
public class StorageExample1Activity extends Activity {
 /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  Context cntxt = getApplicationContext();
  Hashtable data = new Hashtable();
  data.put("hostname", "smtp.gmail.com");
  data.put("port", 587);
  data.put("ssl", true);
  if (StoreData.storeData(data, cntxt))
   Log.i("SE", "Successfully wrote data");
  else
   Log.e("SE", "Failed to write data to Shared Prefs");
  EditText ed = (EditText) findViewById(R.id.editText1);
  ed.setText(RetrieveData.get(cntxt).toString());
 }
}