Passing ArrayList to PHP using Android Asynchronous Http Client Issue

Question

Im trying to send ArrayList to PHP ($_POST) and use it as an array. I use Android Asynchronous Http Client http://loopj.com/android-async-http/

My code

ArrayList<String> array = new ArrayList<String>();
array.add("1");
array.add("2");
array.add("3");
RequestParams params = new RequestParams();
params.put("descr_array", array );
AsyncHttpClient client = new AsyncHttpClient();
client.post(StaticValues.SERVER_PAGE, params, new AsyncHttpResponseHandler() { ... }

In PHP

$descrarray[] = $_POST['descr_array'];

shows only one item, as a string.

$result = print_r($_POST);
print(json_encode($result));

Debugging code shows

Array ( [descr_array] => 1 )

There is only one string, how can I solve it?

Name your field descr_array[] instead of desc_array. The extra [] is a signal to PHP to treat multiple of the same input name as an array, rather than only using the last value. — Colin M
– Colin M, Commented Sep 30, 2013 at 13:06

Maxim Shoustin · Accepted Answer · 2013-09-30 12:53:51Z

3

If you want to get all values write:

RequestParams params = new RequestParams();
params.put("descr_array_1", array.get(0) );
params.put("descr_array_2", array.get(1) );
params.put("descr_array_2", array.get(2) );

But I prefer you to use Gson to convert Array to String and use one pair only:

Gson gson = new Gson(); 
String out = gson.toJson(array);
params.put("descr_array", out );

answered Sep 30, 2013 at 12:53

Maxim Shoustin

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Community · Accepted Answer · 2017-05-23 12:28:25Z

0

This is what worked for me:

RequestParams params = new RequestParams();

for (String val : array) {
    params.add("descr_array[]", val);
}

It doesn't require you to add extra Headers or import other libraries and works for both JSON and XML.

The important thing to note here is the use of add instead of put. See the difference between the two.

edited May 23, 2017 at 12:28

CommunityBot

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answered Dec 25, 2014 at 16:35

Sheharyar

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Veeru · Accepted Answer · 2015-04-04 16:10:07Z

0

This worked for me...

Map<String, String> aMap = new HashMap<String, String>();
aMap.put("f_name" ,"");
aMap.put("l_name" ,"");
aMap.put("email" ,edtEmail.getText().toString());
RequestParams params = new RequestParams();
params.put("user",aMap);

AsyncHttpClient client = new AsyncHttpClient();
client.post(url, params, n.....

answered Apr 4, 2015 at 16:10

Veeru

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