Android :: HttpPost And Byte[ ] ?
Jul 14, 2010
I am dealing with http post method on Android. I have successfully send simple string pairs using HttpClient and HttpPost class with the NameValuePair as entity. However now I want to send a simple array of bytes[]. Unfortunately the only entities I have found for the HttpPost class are the NameValuePair and FileEntity. However my byte[] is not from a file. Wirting it to a file and then sending by the FileEntity seems to be pointless and stupid. How can I send this array using default HttpClient and HttpPost class?
![Android :: HttpPost and byte[ ] ?](images/android-vJjvVuKXe.jpg)
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Oct 14, 2010
How can I call a Webservice with a byte[] parameter? Tried using the namedvaluepairs, but they take strings only. I am not using the Ksoap2, we decided to use the HttpClient / HttpPost method.
Here is my code:
CODE:............
The Web Service:
CODE:.............................
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Nov 24, 2010
I am trying to write something to an empty file on my apache server
CODE:.....................
The reponse returns "HTTP/1.1 200 OK" so it does find the file
I tried removing the file and it returned Error 404
I read apache's docs and looks like am doing it right "i think"
My problem is... the contents of the file do not get updated!
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Nov 9, 2010
I have the following php script, i want to pass parametrs from android to script and execute it.
CODE:.......................
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May 31, 2010
I am looking for an example of using a WebViewClient with shouldOverrideUrlLoading and using HttpPost. I need to display a web page, keep it within my layout boundaries so it can not launch a new browser and also use HttpPost to send data to the host.
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Nov 12, 2010
Android: 2.1 SDK
I have a hello.php running on standard Linux host. (Ubuntu 9.01 with Apache2 web server)
In android I have a simple activity which sends HttpPost or HttpGet to the above hello.php with some parameters in URL. Irrespective of HttpPost or HttpGet in my php always $_GET has values, $_POST is always empty.
How do I know in PHP if it was a post , get,put or a delete? $_REQUEST['REQUEST_METHOD'] is also always empty in my php.
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Dec 17, 2009
I want to attach a file as HTTPResponse on Android 1.5. Also the contents of the file needs to be assigned to some variable.
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Feb 7, 2010
I'm creating an activity which needs to upload an image to a webservice using their api. I found that if i use UrlEncodedFormEntity and send the image data through that. the webservice doesn't receive that. ( at least it will not be able to read that .) In fact if i add some vars to send with the image data ( like name of the file, filesize ) they can be read from the webservice but the image data still doesn't appear if i try to read it serverside.
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Oct 26, 2010
I am trying to upload a image file to server and get back a JSON Object. But an IOException was thrown out. Following is my codes, can anybody have a look at them?
CODE:.....................
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Jan 3, 2010
I'm trying to use HttpPost to send data from an android device to a server. It works great with a Wifi connection, but I get the IOException "The target server failed to respond" with a Mobile connection (3G, Edge, etc.). It doesn't seem to be a timeout problem (I set it to 90s). The use of HttpGet works perfectly with both Wifi and Mobile connection... Any idea of where the problem could come from?
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Nov 19, 2010
I've written some code for my Android device to login to a web site over https and parse some data out of the resulting pages. An HttpGet happens first to get some info needed for login, then an HttpPost to do the actual login process. The code below works great in a Java project within Eclipse which has the following Jar files on the build path: httpcore-4.1-beta2.jar, httpclient-4.1-alpha2.jar, httpmime-4.1-alpha2.jar, commons-logging-1.1.1.jar.
public static MyBean gatherData(String username, String password) {
MyBean myBean = new MyBean();
try {
HttpResponse response = doHttpGet(URL_PAGE_LOGIN, null, null);
System.out.println("Got login page");
String content = EntityUtils.toString(response.getEntity());
String token = ContentParser.getToken(content);
String cookie = getCookie(response);.......................
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Nov 9, 2009
I'm working on an application that does an upload to a webserver, but struggling with the actual fileupload.. code:
CODE:............
Now, I have this working with what is no longer supported in MultipartEntity as follows:
CODE:...........
Problem is MultipartEntity is apparently no longer supported, although I found the libraries I can include in my project.
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Jun 22, 2010
I'm passing in parameters and returning string values, but all I receive is: org.apache.http.conn.EofSensorInputStream. Do I need to do something special in my web service to access the parameters being passed?
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May 8, 2010
I'm on Android 1.5, and my code is like this:
CODE:....................
After successfully executed these codes, the result is a stripped string. I've tried using browser to test the url+param, it works fine and got all data.
What's wrong with this code? Is there any parameters I need to specified?
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Feb 9, 2010
I want to use HttpPost over https/ssl. I get 'Not trusted server certificate' error. I've found a lot of posts, seems that many people have similar problems and I've found two suggestions: 1) Change server's certificate. Current certificate is self-signed as localhost.localdomain. Unfortunetly it's not my server and I cannot change the certificate. 2) Use HttpsUrlConnection instead of HttpClient. But I cannot use it because sometimes (when response's code is 401 or 403) I got IOException during getting response code or reading inputstream.
So I've found 3rd solution - use httpclient, when system throws excetpion 'not trusted server certificate' than display warning, inform user that certificate is not trusted and ask if he wants to add this one to the keystore (webbrowser works this way). But I've no idea how to get certificate from the server and add to keystore.
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Nov 3, 2010
I'm developing an Android app which needs to perform an HTTPPost to get a token back. Then use that token for subsequent calls. When I perform the initial call to get the token, it throws an exception: org.apache.http.auth.MalformedChallengeException: Authentication challenge is empty
Here is my code:...............
I googled "Authentication challenge is empty", and one this website: http://fmpwizard-scala.posterous.com/using-apache-httpclient-authenti... he had a similar problem. He determined that his web server requires preemptive authentication. Which I believe ours does too. I tried implementing what he did, and still, no dice.
I've hard coded the token in other requests, and I am able to perform HTTPGet calls.
What is the Authentication Challenge that I'm missing?
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Dec 10, 2009
Is there someone troubled the same issue.
The code in run.
CODE:.............
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Oct 28, 2010
I have an image sitting on my SDcard (of type jpg) and I am trying to send the image via HttpPost to my servlet running on Apache Tomcat 7.0 So far I have google-ing the way to do this but I can't seem to find the perfect way. Do any of you might have some suggestion or solution to this problem?
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Apr 5, 2010
I'm trying to draw an image downloaded from the web but keep getting the error "Cannot cast from Bitmap to byte[]". Here's the code...
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May 4, 2010
How do I create a Bitmap from a byte[]?
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May 13, 2010
I would like to get a byte array from an jpeg image located in my res/drawable file?
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Mar 19, 2009
I want to store image in sqlite database. I tried to store it using BLOB and String, in both cases it store the image and can retrieve it but when i convert it to Bitmap using BitmapFactory.decodeByteArray(...) it return null. Below is my code please have a look and suggest me where i m making mistake.
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Mar 18, 2010
I am currently sending and receiving SIP messages across a network. When I want to add SDP data to a SIP message I use the SessionDescription object in jrtp. This object is then added to the SIP message. But when I get a SIP message from the server its SDP is in a byte[] array. So I'm wondering is there anyway to convert the byte[] back into a SessionDescription object so I can use the SessionDescription object's methods to parse the data?
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Aug 12, 2010
Does anyone know how to convert a bitmap to a byte array?
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Apr 27, 2009
Can please anyone let me know how to display a raw RGB 565 byte array on the screen.
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Jul 20, 2009
Is it possible to create a byte array from bitmap?How can I do so?
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May 29, 2009
I want to store pictures from the internet in my data base as byte arrays. I get the pictures as bitmaps, but can't find way to convert it to byte array.
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Jun 24, 2010
We are trying to access bytes in non-sequential order from a 'content:' URI that we receive in the intent from other applications. Is there a way to do this, without buffering the bytes within the application?
We found a discussion about the same from 2008 at: http://groups.google.com/group/android-developers/msg/49a1b7d651d4707e Is it possible now?
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Jun 3, 2012
I'm having trouble getting my code working on ICS. It worked perfectly on my old DroidX, but I just got the new Galaxy Nexus and my code just returns null every time, as if the app isn't connecting to my servers or it's using a GET request when it should be using POST. Below is my code,
Code:
//---------------- AUTHENTICATE LOGIN ---------------------------
public static String authenticateLogin (String usr, String password, String updateDataNames, String updateDataUsernames, String updateDataPhone, String updateDataRadius, String updateDataChecked, String updateGPS)
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Sep 16, 2010
I want to store this array in to SQLite database.Can some one give me code for converting this array in to byte[] or give me code for another solution ?
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