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    <p>try to use this helper class </p> <pre><code>import java.io.UnsupportedEncodingException; import java.util.Map; import org.json.JSONException; import org.json.JSONObject; import com.android.volley.NetworkResponse; import com.android.volley.ParseError; import com.android.volley.Request; import com.android.volley.Response; import com.android.volley.Response.ErrorListener; import com.android.volley.Response.Listener; import com.android.volley.toolbox.HttpHeaderParser; public class CustomRequest extends Request&lt;JSONObject&gt; { private Listener&lt;JSONObject&gt; listener; private Map&lt;String, String&gt; params; public CustomRequest(String url, Map&lt;String, String&gt; params, Listener&lt;JSONObject&gt; reponseListener, ErrorListener errorListener) { super(Method.GET, url, errorListener); this.listener = reponseListener; this.params = params; } public CustomRequest(int method, String url, Map&lt;String, String&gt; params, Listener&lt;JSONObject&gt; reponseListener, ErrorListener errorListener) { super(method, url, errorListener); this.listener = reponseListener; this.params = params; } protected Map&lt;String, String&gt; getParams() throws com.android.volley.AuthFailureError { return params; }; @Override protected Response&lt;JSONObject&gt; parseNetworkResponse(NetworkResponse response) { try { String jsonString = new String(response.data, HttpHeaderParser.parseCharset(response.headers)); return Response.success(new JSONObject(jsonString), HttpHeaderParser.parseCacheHeaders(response)); } catch (UnsupportedEncodingException e) { return Response.error(new ParseError(e)); } catch (JSONException je) { return Response.error(new ParseError(je)); } } @Override protected void deliverResponse(JSONObject response) { // TODO Auto-generated method stub listener.onResponse(response); } } </code></pre> <p>In activity/fragment do use this</p> <pre><code>RequestQueue requestQueue = Volley.newRequestQueue(getActivity()); CustomRequest jsObjRequest = new CustomRequest(Method.POST, url, params, this.createRequestSuccessListener(), this.createRequestErrorListener()); requestQueue.add(jsObjRequest); </code></pre>
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    1. USDavid Passmore
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    1. COThx it works ! Why override getParams() in JsonObjectRequest is not worked ? Is it Volley bug ?
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      1. USMegamind
 

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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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