How To Send Json Object To Server Using Volley In Android

I want to send the JSONObject to server using POST method . I have used volley library to pass the string params its working fine, but if i try to use json object its showing an e

Solution 1:

Third parameter in JsonObjectRequest is for passing post parameters in jsonobject form. And for header you need to send two separate values one for content-type one for charset.

RequestQueue queue = Volley.newRequestQueue(this);

  privatevoidmakeJsonObjReq() {
    showProgressDialog();


            Map<String, String> postParam= newHashMap<String, String>();
            postParam.put("un", "xyz@gmail.com");
            postParam.put("p", "somepasswordhere");


    JsonObjectRequest jsonObjReq = newJsonObjectRequest(Method.POST,
            Const.URL_LOGIN, newJSONObject(postParam),
            newResponse.Listener<JSONObject>() {

                @OverridepublicvoidonResponse(JSONObject response) {
                    Log.d(TAG, response.toString());
                    msgResponse.setText(response.toString());
                    hideProgressDialog();
                }
            }, newResponse.ErrorListener() {

                @OverridepublicvoidonErrorResponse(VolleyError error) {
                    VolleyLog.d(TAG, "Error: " + error.getMessage());
                    hideProgressDialog();
                }
            }) {

        /**
         * Passing some request headers
         * */@OverridepublicMap<String, String> getHeaders() throws AuthFailureError {
            HashMap<String, String> headers = newHashMap<String, String>();
            headers.put("Content-Type", "application/json; charset=utf-8");
            return headers;
        }



    };

    jsonObjReq.setTag(TAG);
    // Adding request to request queue
    queue.add(jsonObjReq);

    // Cancelling request/* if (queue!= null) {
    queue.cancelAll(TAG);
    } */

}

Solution 2:

Create new Method and call it in OnClick method

publicvoidPostOperation() {
        requestQueue = Volley.newRequestQueue(this);
        pdialog = newProgressDialog(this);
        pdialog.setMessage("Loading");
        pdialog.show();

        StringRequest stringRequest = newStringRequest(Request.Method.POST, "YOUR_URL",
                newResponse.Listener<String>() {
                    @OverridepublicvoidonResponse(String response) {
                        pdialog.dismiss();
                        Log.e("login output", response);
//MODEL CLASSLoginModel loginModel = newGsonBuilder().create().fromJson(response, LoginModel.class);


                        if (loginModel.getStatus().toString().equalsIgnoreCase("true")) {


                            Intent i = newIntent(context, DashboardActivity.class);
                            startActivity(i);
                            finish();

                            Toast.makeText(context, loginModel.getStatus() + "", Toast.LENGTH_SHORT).show();
                        } else {

                            Toast.makeText(context, loginModel.getMsg() + "", Toast.LENGTH_SHORT).show();

                        }

                    }
                },
                newResponse.ErrorListener() {
                    @OverridepublicvoidonErrorResponse(VolleyError error) {
                        pdialog.dismiss();
                        Toast.makeText(getApplicationContext(), "Invalid Credentials", Toast.LENGTH_SHORT).show();
                    }
                }) {
            @OverrideprotectedMap<String, String> getParams() {
                HashMap<String, String> map = newHashMap<String, String>();

              // pass your input text

                map.put("email" editTextEmail.getText().toString()); 
                map.put("password",editTextPassword.getText().toString() );

                map.put("uid", "1"); 
                map.put("type", "login");


                Log.e("para", map + "");
                return map;
            }

        };
        requestQueue.add(stringRequest);

    }