Android real-time gain latitude and longitude, sent to the C + + service side

Android Client:

Package Com.example.admin.gpsget;import Android. Manifest;import Android.content.context;import Android.content.pm.packagemanager;import android.location.Location ; Import Android.location.locationlistener;import Android.location.locationmanager;import Android.support.v7.app.appcompatactivity;import Android.os.bundle;import Android.widget.edittext;import Android.widget.button;import Android.widget.toast;import Android.view.view;import Java.io.IOException;import Java.io.printstream;import Java.net.socket;import Java.net.unknownhostexception;import Java.util.Timer;import Java.util.timertask;import Android.os.asynctask;import Android.os.bundle;import Android.os.Handler;import Android.os.handlerthread;import android.os.message;import static Java.lang.thread.sleep;import Java.util.Timer; Import Java.util.timertask;public class Mainactivity extends appcompatactivity implements runnable{private Locationman    Ager Locationmanager;    Private final String server_host_ip = "10.41.239.240"; /* ServicesPort */private final int server_host_port = 9400;    Private Button Btnconnect;    Private Button btnsend;    Private EditText Show;    private socket socket;    Private PrintStream output;    private thread thread;    public void Toasttext (String message) {Toast.maketext (this, message, Toast.length_long). Show ();        } public void HandleException (Exception e, String prefix) {e.printstacktrace ();    Toasttext (prefix + e.tostring ());        } @Override protected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);        Setcontentview (R.layout.activity_main);        Initview ();        Get system Locationmanager Service Locationmanager = (Locationmanager) getsystemservice (Context.location_service);        Obtaining the nearest location information from the GPS position locator = locationmanager.getlastknownlocation (Locationmanager.gps_provider);        Updateview (location); Display location information in EditText */* Set GPS location information every 2 seconds */LocatioNmanager.requestlocationupdates (Locationmanager.gps_provider, 1, New Locationlistener () {@Override public void Onlocationchanged (locations location) {//When GPS location information is changed, update position Updateview (LO            cation);            } @Override public void onproviderdisabled (String provider) {Updateview (null); } @Override public void onproviderenabled (String provider) {//When GPS LOCATIONP            When Rovider is available, update location Updateview (locationmanager.getlastknownlocation (provider));                                        } @Override public void onstatuschanged (String provider, int status,        Bundle extras) {}});        Thread=new Thread (this);        Thread.Start (); Btnconnect.setonclicklistener (New Button.onclicklistener () {@Override public void OnClick (Vi      EW v) {//Initclientsocket ();        }        });                Btnsend.setonclicklistener (New Button.onclicklistener () {@Override public void OnClick (View v) {            SendMessage (Show.gettext (). toString ());    }        }); } private void Updateview {if (location = null) {StringBuffer SB = new Stringbu            Ffer ();            Sb.append ("Position: \nlat:");            Sb.append (Location.getlongitude ());            Sb.append ("\NLNG:");            Sb.append (Location.getlatitude ());            Sb.append ("\nhight:");            Sb.append (Location.getaltitude ());            Sb.append ("\nspeed:");            Sb.append (Location.getspeed ());            Sb.append ("\ndirection:");            Sb.append (Location.getbearing ());            Sb.append ("\njingdu:");            Sb.append (Location.getaccuracy ());            Sb.append ("\ n");        Show.settext (Sb.tostring ());      } else {//If the incoming location object is empty then show something casually      Show.settext ("JUYGFUGF");        }} public void Initview () {btnconnect = (Button) Findviewbyid (r.id.btnconnect);        Btnsend = (Button) Findviewbyid (r.id.btnsend);        Show = (EditText) Findviewbyid (R.id.edittext);        Btnsend.setenabled (FALSE);    Show.setenabled (FALSE);            } public void Closesocket () {try {output.close ();        Socket.close ();        } catch (IOException e) {handleexception (E, "close exception:"); }} private void Initclientsocket () {try {/* Connect server */socket = new Socket (Server_      HOST_IP, Server_host_port);            /* Get the output stream */output = new PrintStream (Socket.getoutputstream (), True, "utf-8");            Btnconnect.setenabled (FALSE);        Btnsend.setenabled (TRUE);         } catch (Unknownhostexception e) {handleexception (E, "Unknown host exception:" + e.tostring ()); } CATCH (IOException e) {handleexception (E, "IO exception:" + e.tostring ());    }} private void SendMessage (String msg) {output.print (msg);         } @Override public void Run () {initclientsocket ();            while (true) {try {thread.currentthread (). Sleep (5000);            } catch (Interruptedexception e) {e.printstacktrace ();        } sendMessage (Show.gettext (). toString ()); }    }}

Androidmanifest.xml Add:

<uses-permission android:name= "Android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name= "Android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name= "Android.permission.INTERNET"/>

The interface is as follows:

C + + Service side:

#include <WinSock2.h> #include <stdio.h> #include <Windows.h> #pragma comment (lib, "Ws2_32.lib") int    Main (int Argc,char *argv[]) {short port;    port=9400;    Wsadata WSA;        if (WSAStartup (Makeword (2,2), &AMP;WSA)!=0) {printf ("Socket init error");    Exit (-1);    } SOCKET ServerSocket; if ((Serversocket=socket (AF_INET,SOCK_STREAM,IPPROTO_TCP)) ==invalid_socket) {printf ("Create socket failed!        ");    Exit (-1);    } struct sockaddr_in serveraddress;    memset (&serveraddress,0,sizeof (sockaddr_in));    Serveraddress.sin_family=af_inet; Serveraddress.sin_addr. S_un.    S_addr=htonl (Inaddr_any);    Serveraddress.sin_port=htons (port); if (Bind (ServerSocket, (sockaddr*) &serveraddress,sizeof (serveraddress)) ==socket_error) {printf ("SOCKET Port        error:%d ", port);    Exit (-1);        } if (Listen (serversocket,somaxconn) ==socket_error) {printf ("Listen ERROR");    Exit (-1);   } printf ("Server 9400 is listening......\n"); SOCKET Clientsocket;    struct sockaddr_in clientaddress;    memset (&clientaddress,0,sizeof (clientaddress));    int addrlen=sizeof (clientaddress); if ((Clientsocket=accept (ServerSocket, (sockaddr*) &clientaddress,&addrlen)) (==invalid_socket) {printf ("Li        NK error ");    Exit (-1);    } Char buf[4096];    while (1) {int bytes=recv (clientsocket,buf,sizeof (BUF), 0);            /* IF ((Bytes=recv (clientsocket,buf,sizeof (BUF), 0) ==socket_error) {printf ("Data ERROR");        Exit (-1);        }*/buf[bytes]= ' + ';    printf ("Message from%s:\n%s\n", Inet_ntoa (CLIENTADDRESS.SIN_ADDR), buf); if (send (clientsocket,buf,bytes,0) ==socket_error)//{//printf ("Send data failed!")    ");    Exit (-1);    }} wsacleanup (); Exit (-1);}

Android real-time gain latitude and longitude, sent to the C + + service side