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Sending/Receiving SMS on J2ME device |
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WMA (Wireless Messaging API) is a wireless messaging api defined in MIDP 2.0.
These apis are designed to handle text, binary and multipart messages.
To make a connection, the application obtains an object implementing the
MessageConnection from the Connector class by providing an URL connection string
that identifies the address.
/* Make a connection */
public boolean connectSMSServer()
{
try
{
messageConnection messageConnection =
(MessageConnection)Connector.open("sms://:" + port);
messageConnection.setMessageListener(this);
}
catch (Exception e) {
}
}
/* Send text message */
public void sendTextmessage(String address,String message)
{
try
{
//creates a new TextMessage
TextMessage textMessage = (TextMessage)messageConnection.newMessage(
MessageConnection.TEXT_MESSAGE, address);
textMessage.setPayloadText(message);
messageConnection.send(textMessage);
}
catch (Exception e) {
}
}
/* Recieve text message */
public void receiveTextMessage()
{
try
{
Message message = messageConnection.receive();
if (message instanceof TextMessage)
{
TextMessage textMessage = (TextMessage)message;
}
else
{
//Message can be binary or multipart
}
}
catch (Exception e) {
}
}
/* Notify Incoming Message */
public synchronized void notifyIncomingMessage(MessageConnection conn)
{
//notiy thread of incoming message
synchronized (this)
{
notify();
}
}
/* Close Connection */
public void closeConnection()
{
if (messageConnection != null)
{
try
{
messageConnection.setMessageListener(null);
messageConnection.close();
}
catch (Exception e) {
}
}
}
}
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