Hit API Through Volley
MainActivity.java - package com.example.krishandev.loginapp; import android.content.Intent; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.text.TextUtils; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; 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 org.json.JSONObject; import java.lang.reflect.Method; import java.net.HttpURLConnection; import java.net.URL; import java.util.HashMap; import java.util.Map; import java.util.UUID; public class MainActivity extends AppCompatActivity { private RequestQueue requestQueue ; private static final String JSON_URL = "http://mudraplan.arvaansolutions.com/api/checkNumberAlreadyExist" ; Ed