创建聊天会话并发送消息

Created: November-22, 2018

Smack(Java)

使用 Smack 4.1
建议在项目中包含 Smack 作为 Maven 依赖项（例如，使用 gradle 或 Maven）。
另外，必须手动将以下 Smack 工件/ jar 添加到类路径中：smack-core，smack-extensions，smack-experimental，smack-im，smnack-tcp，smack-java7

import org.jivesoftware.smack.ConnectionConfiguration.SecurityMode;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.chat.Chat;
import org.jivesoftware.smack.chat.ChatManager;
import org.jivesoftware.smack.chat.ChatMessageListener;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.packet.Presence;
import org.jivesoftware.smack.tcp.XMPPTCPConnection;
import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration;

public void sendMessage() {

XMPPTCPConnectionConfiguration config = 
  XMPPTCPConnectionConfiguration.builder()
            .setServiceName("mydomain.local")
            .setHost("127.0.0.1")
            .setPort(5222)
            .build();

XMPPTCPConnection connection = new XMPPTCPConnection(config);

connection.connect();
connection.login("test1", "test1pwd"); 

ChatManager chatManager = ChatManager.getInstanceFor(connection);
String test2JID = "test2@domain.example";
Chat chat = chatManager.createChat(test2JID);
chat.sendMessage("Hello, how are you?");

connection.disconnect();
}