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    <p>Please check this URL from Google : <a href="http://developer.android.com/reference/java/net/HttpURLConnection.html" rel="nofollow">http://developer.android.com/reference/java/net/HttpURLConnection.html</a></p> <p>It is ok to use the <code>openConnection()</code> method before setting your headers. Here are the steps from the documentation:</p> <ol> <li>Obtain a new HttpURLConnection by calling URL.openConnection() and casting the result to HttpURLConnection.</li> <li>Prepare the request. The primary property of a request is its URI. Request headers may also include metadata such as credentials, preferred content types, and session cookies.</li> <li>Optionally upload a request body. Instances must be configured with <code>setDoOutput(true)</code> if they include a request body. Transmit data by writing to the stream returned by <code>getOutputStream()</code>.</li> <li>Read the response. Response headers typically include metadata such as the response body's content type and length, modified dates and session cookies. The response body may be read from the stream returned by <code>getInputStream()</code>. If the response has no body, that method returns an empty stream.</li> <li>Disconnect. Once the response body has been read, the <code>HttpURLConnection</code> should be closed by calling <code>disconnect()</code>. Disconnecting releases the resources held by a connection so they may be closed or reused.</li> </ol> <p>However if the problem persists you can either try to debug you code and check the connection.connected private flag to see where it becomes true; I've experienced a similar problem after making a call to the <code>getContentType()</code> method.</p> <p>Otherwise you can just switch to HttpClient API:</p> <pre><code> HttpClient httpclient = new DefaultHttpClient(); // Prepare a request object HttpGet httpget = new HttpGet(url); // Execute the request HttpResponse response; try { response = httpclient.execute(httpget); .... </code></pre>
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