Android~ java.net.BindException: bind failed: EADDRINUSE (Address already in use)

最近项目使用UDP通信，遇到了绑定异常的情况：

java.net.BindException: bind failed: EADDRINUSE (Address already in use)

之前做java网络编程的时候也遇到过，当时也没太细究，百度查了一下，果然还有其他方法避免重复绑定使用一个socket地址。
如下解决：

try {/*if (socket != null) { socket.close(); socket = null; }socket = new DatagramSocket(8000);*/if(socket == null){socket = new DatagramSocket(null);socket.setReuseAddress(true);socket.bind(new InetSocketAddress(8000));}
}catch (SocketException se){se.printStackTrace();
}

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