Databases
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    <p>Maybe this example will help you :</p> <pre><code>public class URLConnectionTask &lt;Result&gt; extends AsyncTask&lt;URL, Void, InputStream&gt; { @Override protected InputStream doInBackground(URL... params) { InputStream is; HttpUriRequest request; URI uri; HttpResponse response; if (params.length == 0) return null; is = null;CredentialsProvider credProvider = new BasicCredentialsProvider(); if (userName != null &amp;&amp; userName.length() &gt; 0 &amp;&amp; password != null &amp;&amp; password.length() &gt; 0) credProvider.setCredentials(new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT), new UsernamePasswordCredentials(userName, password)); // DefaultHttpClient http = new DefaultHttpClient(); http.setCredentialsProvider(credProvider); // uri = URI.create(params[0].toString()); if (isPost) request = new HttpPost(uri); else request = new HttpGet(uri); try { response = http.execute(request); is = response.getEntity().getContent(); //Log.d(TAG, "doInBackground() response: "+EntityUtils.toString(response.getEntity())); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } if (processingHandler != null &amp;&amp; is != null) processingResult = processingHandler.processResponse(is);// processingHandler is an instance which implements ProcessingHandler interface (ex. VizMarket). processResponse() is implemented on this class. return is; } @Override protected void onPostExecute (InputStream result) { input = result; if (result == null) return; //instruction for inserting data on db .... try { result.close(); } catch (IOException e) { } } } </code></pre>
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    1. POHow to call a URL in background using Android?
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    1. COthis solution is advance, but when i used it, it gave me runtime error ?? do you have any idea about ?
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    2. COMan I give this example for creating an idea how AsyncTask works. I use this class on my android project for fetching json results, and showing them on ListActivity. I think it's normal to give runtime error to you, but if you give more details of what do you want to do exactly maybe I will help you.
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Guidance
A row detail

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.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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