I would like to send a new JsonObjectRequest
request:
I want to send JSON formatted data with this request to the server
JsonObjectRequest request = new JsonObjectRequest(
Request.Method.POST, "myurl.com", null,
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
//...
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
//...
}
})
{
@Override
protected Map<String,String> getParams() {
// something to do here ??
return params;
}
@Override
public Map<String, String> getHeaders() throws AuthFailureError {
// something to do here ??
return params;
}
};
P.S. I use GSON library in my project too.
JsonObjectRequest
actually accepts JSONObject
as body.
From this blog article,
final String url = "some/url";
final JSONObject jsonBody = new JSONObject("{\"type\":\"example\"}");
new JsonObjectRequest(url, jsonBody, new Response.Listener<JSONObject>() { ... });
Here is the source code and JavaDoc (@param jsonRequest
):
/**
* Creates a new request.
* @param method the HTTP method to use
* @param url URL to fetch the JSON from
* @param jsonRequest A {@link JSONObject} to post with the request. Null is allowed and
* indicates no parameters will be posted along with request.
* @param listener Listener to receive the JSON response
* @param errorListener Error listener, or null to ignore errors.
*/
public JsonObjectRequest(int method, String url, JSONObject jsonRequest,
Listener<JSONObject> listener, ErrorListener errorListener) {
super(method, url, (jsonRequest == null) ? null : jsonRequest.toString(), listener,
errorListener);
}