简单的手机发短消息工具类：SMSSender.java
用法：
String add=address.getString();
String con=content.getString();
SMSSender smsSender = SMSSender.getSMSSender();
smsSender.setMessageText(add,con);
Thread t = new Thread(smsSender);
t.start();
import java.io.IOException;import javax.microedition.io.Connector;import javax.wireless.messaging.MessageConnection;import javax.wireless.messaging.TextMessage;/** * File Name : SMSSender.java * Created on : 2005-4-28 * Summary : A standalone thead, which is used to send SMS. * Author : Jedi Chen */public final class SMSSender implements Runnable{ // the string stores the text message that will be sent. private String message; // the destination address for current SMS sender. private String address; // boolean variable indicates whether the SMS has been sent successfully. // initialized as false when get the singleton instance. private static boolean doSuccessfully; // boolean variable indicates whether error occured while sending SMS. // initialized as false when get the singleton instance. private static boolean errorOccured; // the singleton instance of SMSSender, since one instance is enough // for one MIDlet, we apply the Singleton pattern for this class. private static SMSSender instance; /** * the Factory method to get the singleton instance. */ public static SMSSender getSMSSender() { if (instance == null) { instance = new SMSSender(); } else { instance.reset(); } return instance; } /** * The private constructor for SMSSender, only could be called * by getSMSSender. * * call resetSenderStatus() to reset the members. */ private SMSSender() { reset(); } /** * Once the caller get the sender status, it must * call this method to reset both status. */ private void reset() {doSuccessfully = false;errorOccured = false; address = null; message = null; } public synchronized void setMessageText(String address, String message) { // assert(address != null && !address.equals("")); this.address = "sms://" + address; if(message == null || message.equals("")) message = "[WARN] Error formatted message!"; this.message = message;// System.out.println("[SMS] " + s);// m_fDoSuccessfully = false;// m_fErrorOccured = false; } /* * Send the message in a standalone thread. * * @see java.lang.Runnable#run() */ public void run() { MessageConnection smsconn = null; try { smsconn = (MessageConnection) Connector.open(address); TextMessage txtmsg = (TextMessage) smsconn.newMessage(MessageConnection.TEXT_MESSAGE); txtmsg.setPayloadText(message); smsconn.send(txtmsg); doSuccessfully = true;// System.out.println("[SMS] SMS sent successfully :)"); } catch (Exception expt) { errorOccured = true;// System.out.println("[SMS] SMS sent error!"); } finally { if (smsconn != null) { try { smsconn.close(); } catch (IOException ioex) {// System.out.println("[SMS] Close SMS connection error caught!"); } } } } /** * @return Returns the doSuccessfully. */ public static synchronized boolean isDoSuccessfully() { return doSuccessfully; } /** * @return Returns the errorOccured. */ public static synchronized boolean isErrorOccured() { return errorOccured; } }