android手机socket

Android手机连接socket服务器失败?报错

我用自己的电脑写了一个socket服务器，又写了一个客户端。在自己的电脑上用客户端与服务器交互没有问题。但到了手机上总连接不上，而服务器也接收到了手机的连接请求。服务器代码/-1.提供服务 try {/-端口的取值范围 0 and 65535,...

android手机能不能在3G或4G网络下进行点对点socket通信？

我试过在wifi的情况下，两个安卓手机可以进行点对点通信，但是在3G或4G网时就不行了，想实现通信必须通过pc服务端。3G或4G网络下，两台安卓手机能否进行socket点对点通信，如果能的话，是用什么办法呢，有什么例子

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