A simple socket app in Android needs some special permissions to connect through the internet? -


a simple socket app in android needs special permissions connect through internet?

whats wrong code? exceptions when tryes connect input text ip, or host.

package what.httpserver;  import java.io.bufferedreader; import java.io.ioexception; import java.io.inputstreamreader; import java.io.outputstream; import java.io.printwriter; import java.net.socket; import java.net.unknownhostexception;  import android.app.activity; import android.os.bundle; import android.view.view; import android.view.view.onclicklistener; import android.widget.button; import android.widget.edittext; import android.widget.textview;  public class whathttpserveractivity extends activity implements onclicklistener {     /** called when activity first created. */     @override     public void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.main);          button button = (button)findviewbyid(r.id.button1);         button.setonclicklistener(this);     }      public void onclick(view v) {              // todo auto-generated method stub              textview text = (textview)findviewbyid(r.id.textview4);             edittext textfield = (edittext) findviewbyid(r.id.edittext1);               if (textfield.gettext().tostring().length() > 3)             {                 string host = textfield.gettext().tostring();                 string retorno = "";                  text.settextcolor(0xff0000ff);                 text.settext("connecting...");                  try {                     socket s = new socket(host, 80);                                        //outgoing stream redirect socket                     outputstream out = s.getoutputstream();                      printwriter output = new printwriter(out);                       // send http request web server                       output.println("get / http/1.1");                       output.println("host: " + host + ":80");                       output.println("connection: close");                       output.println();                      bufferedreader in = new bufferedreader(new inputstreamreader(s.getinputstream()));                          // read response                           boolean loop = true;                           stringbuilder sb = new stringbuilder(8096);                           while (loop) {                             if (in.ready()) {                               int = 0;                               while (i != -1) {                                 = in.read();                                 sb.append((char) i);                               }                               loop = false;                             }                           }                           retorno = sb.tostring();                      //close connection                     s.close();                      text.settextcolor(0xff0000ff);                     text.settext("your server runs: \n"                              + retorno );                                      } catch (unknownhostexception e) {                     // todo auto-generated catch block                     text.settextcolor(0xffff0000);                     text.settext("error! host or ip unknown." );                 } catch (ioexception e) {                     // todo auto-generated catch block                     text.settextcolor(0xffff0000);                     text.settext("unknown error. check internet connection!" );                 }                             } else {                 text.settextcolor(0xffff0000);                 text.settext("error! please type host or ip" );             }      }      } 

do have

<uses-permission android:name="android.permission.internet" />  

in manifest? outside application tags.


Comments

Popular posts from this blog

linux - Using a Cron Job to check if my mod_wsgi / apache server is running and restart -

actionscript 3 - TweenLite does not work with object -

jQuery Ajax Render Fragments OR Whole Page -