Bluetooth Chat Example

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 #ifndef CHATSERVER_H
 #define CHATSERVER_H

 #include <qbluetoothserviceinfo.h>
 #include <qbluetoothaddress.h>

 #include <QtCore/QObject>
 #include <QtCore/QList>

 QT_FORWARD_DECLARE_CLASS(QBluetoothServer)
 QT_FORWARD_DECLARE_CLASS(QBluetoothSocket)

 QT_USE_NAMESPACE

 class ChatServer : public QObject
 {
     Q_OBJECT

 public:
     explicit ChatServer(QObject *parent = 0);
     ~ChatServer();

     void startServer(const QBluetoothAddress &localAdapter = QBluetoothAddress());
     void stopServer();

 public slots:
     void sendMessage(const QString &message);

 signals:
     void messageReceived(const QString &sender, const QString &message);
     void clientConnected(const QString &name);
     void clientDisconnected(const QString &name);

 private slots:
     void clientConnected();
     void clientDisconnected();
     void readSocket();

 private:
     QBluetoothServer *rfcommServer;
     QBluetoothServiceInfo serviceInfo;
     QList<QBluetoothSocket *> clientSockets;
 };

 #endif // CHATSERVER_H