java - SignalR Android access localhost -


for reason cannot make make android app connect server (on localhost)

the problem (probably) not in code,the exact same code runs fine in simple java application

i invalidhttpstatuscodeexception

bad request - invalid hostname http error 400. request hostname invalid.

i tried using emulator ,genymotion(i changed ip http://192.168.56.1... )

java.util.concurrent.executionexception: microsoft.aspnet.signalr.client.transport.negotiationexception: there problem in negotiation server

i exception in httpclientransport.java ,line 76

@override public signalrfuture<negotiationresponse> negotiate(final connectionbase connection) {     log("start negotiation server", loglevel.information);      string url = connection.geturl() + "negotiate" + transporthelper.getnegotiatequerystring(connection);      request = new request(constants.http_get);     get.seturl(url);     get.setverb(constants.http_get);      connection.preparerequest(get);      final signalrfuture<negotiationresponse> negotiationfuture = new signalrfuture<negotiationresponse>();      log("execute request", loglevel.verbose);     httpconnectionfuture connectionfuture = mhttpconnection.execute(get, new responsecallback() {          public void onresponse(response response) {             try {                 log("response received", loglevel.verbose);                 throwoninvalidstatuscode(response);                  log("read response data end", loglevel.verbose);                 string negotiationcontent = response.readtoend();                  log("trigger onsuccess negotiation data: " + negotiationcontent, loglevel.verbose);                 negotiationfuture.setresult(new negotiationresponse(negotiationcontent, connection.getjsonparser()));              } catch (throwable e) {                 log(e);                 negotiationfuture.triggererror(new negotiationexception("there problem in negotiation server", e));             }         }     });      futurehelper.copyhandlers(connectionfuture, negotiationfuture);      return negotiationfuture; }

if make request browser don't error

url=http://192.168.56.1:3227/signalr/signalr/negotiate?clientprotocol=1.3&connectiondata=%5b%7b%22name%22%3a%22myhub%22%7d%5d

the response is

{"url":"/signalr/signalr","connectiontoken":"aqaaancmnd8bfderjhoawe/cl+sbaaaaiayx1zrb/e6bvu/+2lte0aaaaaacaaaaaaadzgaawaaaabaaaaa29atq2tga6k2br6mj5efoaaaaaasaaacgaaaaeaaaakhfvuynaigej/hee3xk4faoaaaacmvl4wixdw9x7qc0dfxatded/ggdt9wget+35bqhvjfvda6jgagbehqaaadadg/ev9sxe+bwyfgk10cp+omcyq==","connectionid":"982a12db-e4c8-4234-894a-3d1648e662d5","keepalivetimeout":20.0,"disconnecttimeout":30.0,"trywebsockets":false,"protocolversion":"1.3","transportconnecttimeout":5.0,"longpolldelay":0.0}

in both cases can access other services on server problem related signalr

here entire code

import java.util.concurrent.executionexception; import microsoft.aspnet.signalr.client.platform; import microsoft.aspnet.signalr.client.signalrfuture; import microsoft.aspnet.signalr.client.http.android.androidplatformcomponent; import microsoft.aspnet.signalr.client.hubs.hubconnection; import microsoft.aspnet.signalr.client.transport.serversenteventstransport; import android.os.asynctask;  public class mytask extends asynctask<string, string, string> {     private string username ="androiduser";     private microsoft.aspnet.signalr.client.hubs.hubproxy hubproxy;     //string serveruri = "http://192.168.56.1:3227/signalr";     string serveruri = "http://10.0.2.2:3227/signalr";     private hubconnection connection ;     signalrfuture<void> con;     @override     protected string doinbackground(string... params) {          androidplatformcomponent com=new androidplatformcomponent();          platform.loadplatformcomponent(com);          connection = new hubconnection(serveruri);          hubproxy = connection.createhubproxy("myhub");           try {                con  =connection.start(new serversenteventstransport(connection.getlogger())); //or longpollingtransport                con.get();          } catch (executionexception e) {                e.printstacktrace();          }           return "blabla";     } }

sorry long post wanted give details have

when starting server using this:

http://localhost:3227

changed to

http://192.168.56.1:3227

and works...


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