I have been banging my head against the very same problem until I remembered the permission need to be set in the manifest:
<uses-permission android:name="android.permission.INTERNET"/> That should get you past the error you are having. On Jun 15, 4:43 pm, Andy Wolpert <[email protected]> wrote: > Hello All - > > I am trying to upload a file from the Android (Emulator or I/O phone) > and get a cannot connect to server error. I saw a variety of posts, > but never a solution. The same accounts, URLs and passwords work from > the shell. > > The following code is "Hello Android" extended to call my FTP code. > (accounts, passwords changed). > Does FTP upload work? > Is there a sample to work from? > Any other ideas? > (P.S. I would gladly use HTTP instead but found that more confusing > and got a different error. So a sample there would be great as well). > - Andy > > ---------- the code follows --------- > > package com.example.helloandroid; > > import java.io.FileInputStream; > import java.io.OutputStream; > import java.net.URL; > import java.net.URLConnection; > import android.app.Activity; > import android.os.Bundle; > import android.util.Log; > > public class HelloAndroid extends Activity { > /** Called when the activity is first created. */ > @Override > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > setContentView(R.layout.main); > > try { > testFTP(); > } > > catch (Exception e) { > Log.println(1, "FTP", e.getMessage()); > e.printStackTrace(); > } > } > > protected void testFTP() throws Exception { > final String localfile = > "/data/data/com.technomusicology.upload/ > test.mp3"; > final String targetfile = "test.mp3"; > final String host = "ftp.myhost_here.com"; > final String user = "user_here"; > final String password = "password_here"; > URL url = new URL("ftp://"+ user+ ":"+ password+ "@"+ host + > "/"+ > targetfile+ ";type=i"); > URLConnection urlc = url.openConnection(); > urlc.setDoOutput(true); > // the following line throws "unable to connect to host {0}" > OutputStream os = urlc.getOutputStream(); > FileInputStream is= new FileInputStream(localfile); > > byte[] buf= new byte[16384]; > int c; > while (true) { > c= is.read(buf); > if (c<= 0) break; > os.write(buf, 0, c); > } > os.close(); > is.close(); > urlc = null; // close > } > > } > > // here is more information on the exception > this HelloAndroid (id=830058643256) > savedInstanceState null > e IOException (id=830058667280) > cause IOException (id=830058667280) > detailMessage "Unable to connect to server: {0}" (id=830058746592) > stackState int[] (id=830058792560) > stackTrace null --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~----------~----~----~----~------~----~------~--~---
