Android Volley Api Calling : GET & POST

 

package com.example.myapplication10.Api;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

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.JsonArrayRequest;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import com.example.myapplication10.R;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Api_Activity extends AppCompatActivity {

    String url = "https://jsonplaceholder.typicode.com/posts";
    String post_url="https://reqres.in/api/users";
    private Button btn;
    List<ModelApi> modelApiList=new ArrayList<>();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_api);
        btn=findViewById(R.id.btn);
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
//                Apicalling();
                PostApiCalling("Sanjay","Android Developer");
            }
        });
    }

    void Apicalling()
    {
        JsonArrayRequest jsonArrayRequest =new JsonArrayRequest(Request.Method.GET, url, null, new Response.Listener<JSONArray>() {
            @Override
            public void onResponse(JSONArray response) {

                for(int i=0;i<response.length();i++)
                {
                    JSONObject jo=new JSONObject();

                    try {
                        jo = response.getJSONObject(i);


                        ModelApi modelApi=new ModelApi(jo.get("userId").toString(),jo.get("id").toString(),jo.get("title").toString(),jo.get("body").toString());
                        modelApiList.add(modelApi);

                        Log.e("TAG", "onResponse: "+modelApiList.get(0).getUserid() );
                        Log.e("TAG", "onResponse: "+modelApiList.get(0).getId() );
                        Log.e("TAG", "onResponse: "+modelApiList.get(0).getTitle() );
                        Log.e("TAG", "onResponse: "+modelApiList.get(0).getBody() );

                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                }

            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                Toast.makeText(Api_Activity.this, "Error "+error.getMessage(), Toast.LENGTH_SHORT).show();
            }
        });

        RequestQueue rq= Volley.newRequestQueue(Api_Activity.this);
        rq.add(jsonArrayRequest);

    }



    void PostApiCalling(String name,String job)
    {
        StringRequest stringRequest=new StringRequest(Request.Method.POST, post_url, new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                Toast.makeText(Api_Activity.this, "Success", Toast.LENGTH_SHORT).show();
            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                Toast.makeText(Api_Activity.this, "Error "+error.getMessage(), Toast.LENGTH_SHORT).show();

            }
        }){
            @Override
            protected Map<String, String> getParams() throws AuthFailureError {

                Map<String,String> m1=new HashMap<String,String>();
                m1.put("name",name);
                m1.put("job",job);
                return m1;
            }
        };

        RequestQueue rq=Volley.newRequestQueue(Api_Activity.this);
        rq.add(stringRequest);
    }
}