//Funcionamento do Volley no android studio

   public void SendData(){
        String YourUrl="http://helioesperidiao.com/destinho.php";
        StringRequest request = new StringRequest(Request.Method.POST, YourUrl, new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                Toast.makeText(getApplicationContext(),response,Toast.LENGTH_SHORT).show();
            }

        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                Toast.makeText(getApplicationContext(),error.toString(),Toast.LENGTH_SHORT).show();
            }
        }) {

            //Pass Your Parameters here
            @Override
            protected Map<String, String> getParams() {
                Map<String, String> params = new HashMap<String, String>();
                params.put("User", "-"+Math.random());
                params.put("Pass", "123");
                return params;
            }
        };
        RequestQueue queue = Volley.newRequestQueue(this);
        queue.add(request);
    }