问Android HTTP连接

EN

try {
    InetAddress server = Inet4Address.getByName("thehost");
    //Doesn't work either
    //or InetAddress server2 = Inet4Address.getByAddress(new String("192.168.1.30").getBytes());

    if(server.isReachable(5000)){
        Log.d(TAG, "Ping!");
    }

    Socket clientsocket = new Socket(server, 8080);
} catch (UnknownHostException e) {
    Log.e(TAG, "Server Not Found");
} catch (IOException e) {
    Log.e(TAG, "Couldn't open socket");
}