package com.androidtechpoint.demo.androidvolley; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.support.v7.widget.AppCompatButton; import android.view.View; import android.widget.ProgressBar; import android.widget.TextView; import com.android.volley.AuthFailureError; import com.android.volley.Request; import com.android.volley.RequestQueue; import com.android.volley.Response; import com.android.volley.VolleyError; import com.android.volley.toolbox.StringRequest; import com.android.volley.toolbox.Volley; import java.util.HashMap; import java.util.Map; public class MainActivity extends AppCompatActivity { TextView _name, _email, _response; android.support.v7.widget.AppCompatButton _sendRequest; ProgressBar _proProgressBar; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //Hooking the UI views for usage _name = (TextView) findViewById(R.id.name); _email = (TextView) findViewById(R.id.email); _response = (TextView) findViewById(R.id.response); _proProgressBar = (ProgressBar) findViewById(R.id.progressBar); _sendRequest = (AppCompatButton) findViewById(R.id.send_request); //hooking onclick listener of button _sendRequest.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // Instantiate the RequestQueue. RequestQueue queue = Volley.newRequestQueue(MainActivity.this); //this is the url where you want to send the request //TODO: replace with your own url to send request, as I am using my own localhost for this tutorial String url = "http://192.168.1.7/AndroidVolley/androidVolley.php"; // Request a string response from the provided URL. StringRequest stringRequest = new StringRequest(Request.Method.POST, url, new Response.Listener<String>() { @Override public void onResponse(String response) { // Display the response string. _response.setText(response); } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError error) { _response.setText("That didn't work!"); } }) { //adding parameters to the request @Override protected Map<String, String> getParams() throws AuthFailureError { Map<String, String> params = new HashMap<>(); params.put("name", _name.getText().toString()); params.put("email", _email.getText().toString()); return params; } }; // Add the request to the RequestQueue. queue.add(stringRequest); } }); } }