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copied!<p>You can use <a href="http://bit.ly/droidquery" rel="nofollow noreferrer">droidQuery</a> to perform an <code>Ajax</code> request with similar syntax to <code>Javascript</code>. It is highly configurable, so check the <a href="http://phil-brown.github.io/droidQuery/doc/self/philbrown/droidQuery/AjaxOptions.html" rel="nofollow noreferrer">javadocs</a> for help (if you have used <code>Javascript</code>, you will catch on really fast). The call will run in a background thread, but the callback methods will be called on the main thread. Here is an example of how to do a <code>post</code> that gets a <code>JSON</code> response:</p> <pre><code>$.ajax(new AjaxOptions().url("http://www.example.com") .type("post") .dataType("json") .data(bitmap_bytes) .context(this) .success(new Function() { @Override public void invoke($ droidQuery, Object... params) { JSONObject json = (JSONObject) params[0]; //handle json response. Also see $.map(JSONObject) for parsing } }) .error(new Function() { @Override public void invoke($ droidQuery, Object... params) { AjaxError e = (AjaxError) params[0]; Log.e("$", "Error: " + e.status + ": " + e.error); } })); </code></pre> <p>If you want to add a progress spinner, <a href="https://github.com/phil-brown/droidProgress" rel="nofollow noreferrer">droidProgress</a> is a <em>droidQuery Extension</em>, and can very easily be integrated with <em>droidQuery</em>.</p> <p>Also, you can see how to convert a <code>Bitmap</code> to a <code>byte[]</code> at <a href="https://stackoverflow.com/questions/4989182/converting-java-bitmap-to-byte-array">converting Java bitmap to byte array</a>.</p>

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