#httpurlconnection

[galaxystech-blog]

OkHttp library for HTTP requests with Gson.

OkHttp library for HTTP requests with Gson.

Most apps need network connections to external services to access and exchange data. This is typically through REST APIs and an HTTP client in your app. OKHttp is an Android HTTP client library from Square that reduces the steps needed, and means you can spend more time on the important areas of your app.

Why OkHttp?

HTTP/2 support allows all requests to the same host to share a socket.

Connectio…

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[sahanlm]

Android HttpUrlConnection Disable default content encoding in gzip

At present i have came across a scenario that our ESB is not responding to gzip format content encoded requests. Though ESB successfully call back end service after decoding these gzip requests originated from android apps which use HttpUrlConnection, ESB is not capable of respond the request after backend service successfully hand the response to ESB

Neither web nor Google helped me to understand how the default gzip encoding stops.

And then it came to my mind. Just set "Content-Encoding" to "identity" and you are done.

HttpURLConnection con = (HttpURLConnection) url.openConnection();

con.setRequestProperty("Content-Encoding", "identity");

con.setRequestProperty("Accept-Encoding", "identity");

[goodanswerbiz]

Fixed: Java - sending HTTP parameters via POST method easily #solution #fix #development

Fixed: Java – sending HTTP parameters via POST method easily #solution #fix #development

Java – sending HTTP parameters via POST method easily

I am successfully using this code to send HTTP requests with some parameters via GET method

function void sendRequest(String request) { // i.e.: request = "http://example.com/index.php?param1=a&param2=b&param3=c"; URL url = new URL(request); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoOutput(true);…

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[sevennet-blog]

How to: Java - sending HTTP parameters via POST method easily

How to: Java – sending HTTP parameters via POST method easily

Java – sending HTTP parameters via POST method easily

I am successfully using this code to send HTTP requests with some parameters via GET method

function void sendRequest(String request) { // i.e.: request = "http://example.com/index.php?param1=a&param2=b&param3=c"; URL url = new URL(request); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoOutput(true);…

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[xorud0524]

Android Network통신Manager

Post통신

Get통신

[goodanswerbiz]

Fixed Using java.net.URLConnection to fire and handle HTTP requests? #dev #it #asnwer

Fixed Using java.net.URLConnection to fire and handle HTTP requests? #dev #it #asnwer

Using java.net.URLConnection to fire and handle HTTP requests?

Use of URLConnection is asked about pretty often here, and the Oracle tutorial is too concise about it. So how do I use it to initiate and handle HTTP requests?

Are there other hints, and “best practices” for this, that may be useful?

Answer: Using java.net.URLConnection to fire and handle HTTP requests?

First a disclaimer…

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[sevennet-blog]

How to: Using java.net.URLConnection to fire and handle HTTP requests?

How to: Using java.net.URLConnection to fire and handle HTTP requests?

Using java.net.URLConnection to fire and handle HTTP requests?

Use of URLConnection is asked about pretty often here, and the Oracle tutorial is too concise about it. So how do I use it to initiate and handle HTTP requests?

Are there other hints, and “best practices” for this, that may be useful?

Answer: Using java.net.URLConnection to fire and handle HTTP requests?

I was also very inspired by…

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[xuperxonix]

Next Challenge...done

Next challenge is to login from Android using existing web login page without displaying the login page. I'll use android login page instead but I don't want to create another login service either.

Two problem here :

Post username and password as form data/entity with HttpUrlConnection. Do I still need HttpEntity ?

From what I found, I shouldn't use HttpEntity. Writing NameValuePair to outputstream is equivalent. But the response body contain validation error : the user name field is required, that sounds like my request body is not posted to server.

After trying another way to write to outputstream, I can tell that the culprit is me that forgot to close the outputstream after write.

Prevent redirect after successful login. So I can catch response code 302 instead of 200 return by redirected page.

This turns out not to be a problem since I can get the response code (.getResponseCode()) before the page is redirected by calling .getInputStream()

Then this conclude Android login accomplished :D