Android :: Http Chunked Response - Connection Reset

Sep 6, 2010

I'm facing an annoying problem here. My application is connected to a server that sends some data from time to time. It's some kind of eventing server. In order to receive data, I'm connecting to the server with an HttpURLConnection, retrieve the response InputStream and loop on it with the read method. The connection is always open. The distant server is cutting the connection every 5 minutes (for test purpose). When connection is closed, my application has to reconnect again. We detect a Connection Reset by Peer exception when the server closes the connection. The problem is that most of the time, I never receive the Connection Reset by Peer exception. So my application can't know that is has to reconnect and it's stucked on the read instruction. The InputStream.Read() method shouldn't always raise an exception if the connection is closed? What can I do to always detect Connection Reset by Peer exception?

Android :: Http chunked response - Connection Reset


Android :: Http Proxy And Chunked Encoding With Emulator

Mar 24, 2009

I am having a specific problem that is preventing me using the android SDK from work. We are using a MS Proxy here that all internet traffic has to go through. The problem seems to be when the emulator is trying to access a site that uses 'Transfer-Encoding: chunked' If I attempt to download www.nds.com (no chunked encoding) into the browser, it works fine. However if I try to go to www.google.com (uses chunked encoding), the browser fails with the message: can't determine content length, and client wants to keep connection opened My feeling (and I'm no expert in this area) is that the underlying code managing the communication through the proxy is not dealing with the null terminator on the chunk encoded response when the connection to the proxy is being kept open? Does anyone have any experience in this area? Is the source to the emulator available so I can try and understand what is going on here?

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Android :: Getting Url Of Http Response?

Apr 6, 2010

I have a problem. I'm doing a http post request to a URL like this; DefaultHttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost(url); HttpResponse response = httpclient.execute(httppost); I am able to get the response content (html in this case) but I would like to be able to get the url of the response. Is there a way? Or could i use some other technique to do the post request and retrieve the url? The repsonse url is lke www.url.com?x=1&y=2 and would like to get the parameter values, I've tried to use the getParams().getParameter() on the HttpResponse object without any success. So if anyone has a solution to get the parameters without getting the url.

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Android :: How To Parse Xml From A Http Response?

Jun 9, 2010

I have two queries based on XML parsing which comes as httpresponse. am sending an httprequest to a site with a GET header. The response I expect is to be in XML. First, I need to know whether I am getting XML as the httpresponse. Is there any method which checks whether the received response is in XML or not? Second, I need help in parsing the XML which I get from the httpresponse. I am pasting a code snippet here which I have written : Can you guys look at the above code and tell me how to get the xml data from the httpresponse? Code...

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Android :: HTTP Response 411 Length Required - Client 4.0.1

Jul 8, 2010

i'm sending an http request to the google reader api and getting an unusual response code. following the documentation, i've requested an auth code and included it in the header of every request. after performing the login, and getting an auth code, i tried accessing this url, which is part of the documentation: http://www.google.com/reader/api/0/stream/items/contents when i send the request, i get a 411 status code, which is supposed to mean "Length Required". the length, as i've found, is supposed to be the length, in octets, of the message body. there is no message body in this request. there is only a single header, the POST parameter i="item id" and the URL itself. i tried setting the "Content-Length" header to "0" and also to "-1" to no avail. what's really interesting is that this same code worked fine before google changed their authorization procedure. it's apparent they've changed something else. so my question is what EXACTLY would cause a 411 response code and how can i prevent it?

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Android :: Access Http Response Headers In WebView?

Jun 28, 2010

Is there a way to view the http response headers in an Activity once a web page has been loaded in a WebView? Seems like this should be possible, but I can't find any methods that expose the headers.

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Android :: Use Content Provider To Serve Up Http Response?

Aug 24, 2010

I would like to provide the appearance of DB for my web service without storing it into the DB as a cache or middleware.

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Android :: Test Http Post Response In Emulator?

Oct 26, 2010

Let's say I want to perform a quick HTTP post to a website within my android app. If I were to set up the http client and send the post all in the onCreate method of the main screen (inside the UI thread) just for testing purposes, what would I use to quickly see what the response is to the post? I tried something quick and dirty below inside the onCreate method when the app first opens and nothing really happens, is there something more I need to do/obviously my toast idea is just bad.

HttpClient httpClient = new DefaultHttpClient();
HttpPost post = new HttpPost("http://forecast.weather.gov/zipcity.php?inputstring=04419");
HttpResponse httpResp;
try {
httpResp = httpClient.execute(post);
StatusLine status = httpResp.getStatusLine();
Toast.makeText(getApplicationContext(), (CharSequence) status, Toast.LENGTH_SHORT).show();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();}

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Android : Debug HTTP Response With Droid Emulator?

Aug 20, 2010

I would like to know if there is anyway to debug the HTTP response with the android emulator. my logs show that the response is not arriving complete to the application and i would like to know if it is the server that does not send the complete response or if my application is not processing the response completely.

I tried hooking up Fiddler and Blurp proxy, it actually works with Blurp proxy but only for HTTP and as you may guess i need it also for HTTPS

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Android :: How Http URL Connection Work?

Jan 18, 2010

I need to send asynchronous calls to the server. During network connection this works fine. How ever if i disable my LAN from Network connections android will through a socket exception after the specified timeout for that particular call. Now the issue that i face is the time out happens in a synchronous manner. Though both the calls has been started in a thread the timeout is not happening at the same time. If i keep the timeout as 20sec i am getting a socket exception for the first call after 20 sec and after the next 20 sec i get the timeout for the next call. Why is this happening..? I am not opening two connections asynchronously in this case. I am attaching a sample code that can replicate the above scenario. Code...

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Android :: Retrying Http Connection

Oct 14, 2010

I'm making an http request. I'm on a platform (android) where network operations often fail because the network connection might not be immediately available. Therefore I'd like to try the same connection N times before completely failing. Was thinking of something like this:

DefaultHttpClient mHttp = ...;
public HttpResponse runHttpRequest(HttpRequestBase httpRequest)
throws IOException
IOException last = null;
for (int attempt = 0; attempt < 3; attempt++) {
try {
HttpResponse response = mHttpClient.execute(httpRequest);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode == 200) {
return response }
} catch (IOException e) {
httpRequest.abort();
last = e;
throw last;

I'm mostly worried about the connection being in some state which is invalid on subsequent retries. In other words, do I need to completely recreate 'httpRequest', should I avoid calling httpRequest.abort() in the catch block, and only call it in the final failure?

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Android :: Http Connection Over WiFi?

Aug 17, 2010

I am using org.apache.http.*; API's to make HTTP Post Connections over Internet from the Android Application. I added the Internet Permissions in the Manifest file and it works fine. Now i want my application to make the same HTTP requests over WiFi network through which the handset is connected.

Do i need to make code changes to achieve this? Do i need to add some permissions? as i am unable to make requests...

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Android :: Force Connection (http) To Go Over OTA (WiFi)

Mar 10, 2010

is there a way to force a connection (http) to go over OTA (Over-The- Air) even if you have a wifi connection?

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Android :: Whether To Use Service Or Thread For Http Connection?

Jul 5, 2010

I am a newbie in android and i had a question whether i should use a service or thread for http connection and what will be the advantage of using a service over a thread or viceversa. Please help me out with this.

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Android :: How To Set Content Type On Http URL Connection ?

Dec 22, 2009

Do you know how to set Content-Type on HttpURLConnection? Following code is on Blackberry and I want the Android equivalent:
connection.setRequestProperty("content-type", "text/plain; charset=utf-8");
connection.setRequestProperty("Host", "192.168.1.36");
connection.setRequestProperty("Expect", "100-continue").

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Android :: Way To Make HTTP Connection Using GSM Network?

Sep 29, 2010

I need to make HTTP request on Android using GSM connection, not Wifi. My current solution is to disconnect from all wi-fi connections and perform a request. Is there any better solution? I could not find any relevant methods in the API (I looked in package org.apache.http, but it seems it is completely unaware of what type of connection should be used).

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Android :: HTTP Connection Failed Via Proxy

Apr 26, 2009

I have set up proxy in the sdk emulaotor and can access internet via the proxy in the browser. but this does not work for my http connection application, it gives "Unknown host exception" i have used -dns-server option when launch the app.

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Android :: Http URL Connection Can't Read Completely / Solution For This?

Dec 21, 2009

I am facing with problem related Http Connection.
MY code...

This code can't download data completely.
For example :
Total size to read : 13901 bytes
Above code can read size : 12937 bytes

What is wrong here?

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Android :: Create Http Connection To Retrieve Web Page Content

Aug 26, 2010

How to create an Http Connection to retrieve a web page content to my android? Please post example code for this.

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Android :: Download Image From Server Using Http Connection And At Same Time

Aug 4, 2009

I want to Download image from Server using Http Connection and at same time i want to show ProgressDialod till is not Downloaded i dont undestand.

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Android :: Sample Code To Create Http Connection Using AsyncTask Class?

Feb 5, 2010

I am trying to create HTTP connection using AsyncTask class.

Is it possible to create HTTP connection ?

Can you suggest sample source code?

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Samsung Captivate :: Response From ATT's Executive Response Team Over FCC GPS Complaint

Sep 8, 2010

Back when we all found out about the bad gps on this phone there was talk to file a complaint against att for false advertising of gps capabilities with the Captivate. Well, I was pissed and went ahead and filed the complaint. I received a letter in the mail a few weeks ago that the FCC had received the complaint.Today, I received a response from ATT in my inbox.

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Sprint HTC Hero :: Inputing Text - Get No Response Or Sluggish Response

Mar 18, 2010

anyone else having issues using the keyboard / inputing text while the hero is lying flat down on a table? i sometimes get no response or sluggish response when its on a table and i'm trying to send e-mail or texting. I tried re-calibrating and works fine when I hold it upwards/regular.

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Android :: How To Reset The Database Connection In App

Aug 29, 2010

I can't figure out how to reset the database connection in my app. I am deleting and replacing the SQLite database file, and need my activity to see the changes.

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Android :: Chunked Encoding - GZIP Input Stream

Mar 3, 2010

I found a problem with GZIP input stream when wrapping InputStream from HttpURLConnection. When the server response with Transfer- Encoding=chunked, Content-Encoding=gzip and Connection=Keep-Alive. The second post always return -1. After digging into the source code, I found the place that could be a bug: InflaterInputStream.java (line 190 to 192) if (inf.needsInput()) { fill(); } Because InflaterInputStream doesn't need more input, it doesn't try to read the end of chunked encoding (0x)(30 0a 0d) that cause the second post to return with -1 every time.

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Android :: Java.net.SocketException - Connection Reset

Jul 17, 2009

i got this (java.net.SocketException: Connection reset ) exception on server program when i try to read inputStream sent by client. BufferedReader.readLine(); is anybody know what can be the reason for this exception?

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Android :: How To Create HTTP Request / How To Create Connection Object?

Jul 17, 2009

How to create an HTTP request object of POST type in android? Which class need to be extend or what method need to implement? How to establish connection to a server? Actually i want to connect to a microsoft exchange server, and then i have to send a request to it using HTTP.

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HTC Droid Eris :: After Factory Reset - No Data Connection - Unable To Make Phone Calls?

Aug 18, 2010

So, first, here's what happened. Did a factory reset of my phone. When it came back up and I went to activate it, no data connection, unable to make phone calls. After 2 hours on the phone with VZW tech support, I can make calls, but have no data connection. They are sending me a "new" one. The concensus of the VZW tech and myself, problem with my phone. 2 days later, my wife resets her phone because of memory usage issues (she had to much on it). Same exact thing happened to her. Being the fiesty woman that she is she is going to a VZW store today to raise holy hell and throughorly degrade the poor rep that she is going to talk to, to get some answers. My question to all my fine fellow Eris users, have you seen this before? If in our position, do we deserve a new phone, and not an eris? Will this happen with a replacement eris due to a fault in the 2.1 update?

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Android :: 3G Network Response Different From Wi-Fi

Jan 25, 2009

I've written a port scanner for Android. It works properly when using a connection over Wifi, but on the mobile (3G) connection, everything reports a false positive.Why is this? I don't know very much about the way the mobile data network is structured and I'd like to know more. Is my service provider meddling with the connections, or have I just done something wrong?

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Android :: Asynctask - Get Response Of Any Particular URL Given

Oct 12, 2010

Tell about the "asynctask" used in android application. Currently I am working on an application where I have to create a Class in which I have to just get the response of any particular URL given. I this particular class I was told to perform this task by making use of "asynctask".

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