What is the use of List<NameValuePair> or ArrayList<NameValuePair>

android android-asynctask
Zubair Ahmed picture Zubair Ahmed · Jul 12, 2013 · Viewed 72.2k times · Source

I want to know about What is the use of List<NameValuePair> or ArrayList<NameValuePair> in android? Specially when we are using web services using AsyncTask<...>

Answer

faylon picture faylon · Jul 12, 2013

NameValuePair is a special <Key, Value> pair which is used to represent parameters in http request, i.e. www.example.com?key=value.

NameValuePair is an interface and is defined in apache http client, which is widely used in java to handle http operations. A List<NameValuePair> is just a list of <key, value> pairs, and will be used as params in http post request.

HttpPost request = new HttpPost();
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("key", "value"));
request.setEntity(new UrlEncodedFormEntity(params));

httpClient.execute(request);

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