http connection problem - response code 401

ghostxz · by **ghostxz** » Thu Oct 29, 2009 2:13 am

Hi guys. i want to acces a jpg image from my ip camera, and i don't know how to implement the login part. in browser it is simple - insert user name and password and you are in. here is the code, working for non-passworded urls:

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Using java Syntax Highlighting

public void onCreate(Bundle savedInstanceState) {
 
        super.onCreate(savedInstanceState);
 
        TextView tv=new TextView(this);
 
        int response=-1;
 
                try {
 
                        URL url = new URL("http://<valid_image_url>");
 
                URLConnection conn = url.openConnection();
 
                if (!(conn instanceof HttpURLConnection)) throw new IOException("Not an HTTP connection.");
 
                HttpURLConnection httpConn = (HttpURLConnection) conn;
 
                httpConn.setAllowUserInteraction(false);
 
                httpConn.setConnectTimeout(1000);
 
                httpConn.setReadTimeout(1000);
 
                httpConn.setInstanceFollowRedirects(true);
 
                httpConn.setDoOutput(true);
 
            httpConn.setDoInput(true); 
 
            httpConn.setRequestMethod("POST"); 
 
                httpConn.setRequestMethod("GET");
 
                httpConn.connect();
 
                response = httpConn.getResponseCode();
 
                if (response == HttpURLConnection.HTTP_OK) {
 
                        InputStream in = httpConn.getInputStream();
 
                        Bitmap bitmap = BitmapFactory.decodeStream(in);
 
                        tv.setText("HTTP_OK");
 
                }
 
                else {
 
                        tv.setText(String.valueOf(response));
 
                }
 
                } catch (Exception e) {
 
                        // TODO Auto-generated catch block
 
                        tv.setText(e.getMessage().toString());
 
                        e.printStackTrace();
 
                }
 
                setContentView(tv);
 
    }
Parsed in 0.035 seconds,  using GeSHi 1.0.8.4

I tried to replace the URL with "http://username:passwor@<camera_ip>/jpg/image.jpg" but i have got exception.
thank you for any help

RS · by RS » Thu Oct 29, 2009 12:45 pm

Hello ghostxz!

Probably you are having problems with the authentication, check this: http://www.anddev.org/parsing_xml_from_a_site_protected_with_basic_http_auth-t8588.html

Regards,
RS

ghostxz · by **ghostxz** » Thu Oct 29, 2009 3:52 pm

I solved my problem with this:
..

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Bitmap bitmap = null;
 
DefaultHttpClient client = new DefaultHttpClient();
 
client.getCredentialsProvider().setCredentials(new AuthScope(null, -1),new UsernamePasswordCredentials("user", "password"));            
 
HttpGet request = new HttpGet("http://192.168.0.103/snapshot.jpg");                                             
 
try {
 
        HttpResponse resp = client.execute(request);
 
        bitmap = BitmapFactory.decodeStream(resp.getEntity().getContent());
 
} catch (Exception e) {
 
        e.printStackTrace();
 
}
Parsed in 0.032 seconds,  using GeSHi 1.0.8.4

..
It works Ok on the emulator, but not on my hero. I don't know why, I've got an IO Exception:

Code: Select all: 10-29 16:28:52.550: ERROR/PackageInstallationReceiver(339): Remove /data/local/tmp/com.sandu.SMS.apk Fail! 10-29 16:28:52.560: WARN/System.err(339): java.io.IOException: Error running exec(). Commands: [/system/xbin/su, 0, /system/bin/rm, /data/local/tmp/com.sandu.ARC.apk] Working Directory: null Environment: null

how can I resolve this, without rooting my phone? Adding "android.permission.USE_CREDENTIALS" doesn't help anymore.

padde · by **padde** » Thu Oct 29, 2009 5:26 pm

http://192.168.0.103/snapshot.jpg looks like a Intranet IP.. with your phone you cant connect to that adress.. use a picture from the internet to test your app.

http connection problem - response code 401

http connection problem - response code 401

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