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原因：没加端口号调整代码：try { System.out.println("正在连接Chat服务。。。"); XMPPTCPConnectionConfiguration configuration = XMPPTCPConnectionConfiguration.builder() .setResource(Resourcepart.from(C_SOURCE))//固定源 .setHostAddress(InetAddress.get

1. 开发环境smack-4.3.4openfire-4.6.3开发工具：AndroidStudioopenfire下载及安装：官网：https://igniterealtime.org/projects/openfire/优快云：https://download.youkuaiyun.com/download/JieZhongBa/20015330安装教程：<>本文项目地址：https://blog.youkuaiyun.com/JieZhongBa/article/details/1184

1. 依赖使用smack4.3.4，实测这两条足矣implementation "org.igniterealtime.smack:smack-tcp:4.3.4"implementation "org.igniterealtime.smack:smack-android-extensions:4.3.4"可将第二条替换为这个，轻量些，不想麻烦直接用上面的即可。implementation "org.igniterealtime.smack:smack-android:4.3.4"2. 本地

这里用的smack 4.3.4，有一些改变要注意：import org.jivesoftware.smack.AbstractXMPPConnection;import org.jivesoftware.smack.ConnectionConfiguration;import org.jivesoftware.smack.tcp.XMPPTCPConnection;import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration;i