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    <p>You should do network operations (connection and so on) from a different thread than the main (UI) thread. That's what the error <code>android.os.NetworkOnMainThreadException</code> you are getting means.</p> <p>You should look either into ASyncTask or Thread to do that.</p> <p>Read <a href="http://android-developers.blogspot.com/2009/05/painless-threading.html" rel="nofollow">this article</a> too...</p> <p>Replace the code you currently have with this:</p> <pre><code> AsyncTask&lt;Void,Void,Void&gt; my_task = new AsyncTask&lt;Void,Void,Void&gt;() { @Override protected void onPostExecute() { TextView tv = (TextView) findViewById(R.id.txtTest); tv.setText(result.toString()); } @Override protected Void doInBackground(Void... voids) { InputStream is = null; String result = ""; String url = "http://10.0.2.2/android/try.php"; HttpClient httpclient = new DefaultHttpClient(); try { HttpPost httppost = new HttpPost(url); HttpResponse response = httpclient.execute(httppost); Log.d("myapp", "response " + response.getEntity()); HttpEntity entity = response.getEntity(); is = entity.getContent(); String st = EntityUtils.toString(response.getEntity()); } catch (Exception e) { Log.e("log_tag", "Error in http connection " + e.toString()); } // convert response to string try { BufferedReader reader = new BufferedReader(new InputStreamReader( is, "UTF-8"), 8); StringBuilder sb = new StringBuilder(); String line = null; while ((line = reader.readLine()) != null) { sb.append(line + "\n"); } is.close(); result = sb.toString(); } catch (Exception e) { Log.e("log_tag", "Error converting result " + e.toString()); } } }.execute(); </code></pre>
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    1. COThanks Matthieu, But I have been unable to run it using AsyncTask. Can you please assist me in making AsyncTask class of the above-written code?
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    2. COThanks, but now I am getting this error :( 09-24 15:30:10.095: E/log_tag(7027): Error converting result java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
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    3. COwhat line is the error at ? Can you post more of your code? Maybe you should consider this problem solved and start a new question with your new problem...
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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