JSONParsing & ListView 257

 Build Gradle

implementation libs.volley
implementation libs.picasso

Main Activity XML 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity"
    android:background="#FFFFFF"
    >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:background="#FFFFFF"
        android:layout_margin="10dp"
        >

        <TextView
            android:id="@+id/textView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="TextView"
            android:visibility="gone"
            />


        <ProgressBar
            android:id="@+id/progressBar"
            style="?android:attr/progressBarStyle"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

        <ListView
            android:id="@+id/listView"
            android:layout_width="match_parent"
            android:layout_height="match_parent" >

        </ListView>


    </LinearLayout>


</LinearLayout>

Main Activity JAVA

package com.rakibshah.server;

import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

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.StringRequest;
import com.android.volley.toolbox.Volley;
import com.squareup.picasso.Picasso;

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

import java.util.ArrayList;
import java.util.HashMap;

public class MainActivity extends AppCompatActivity {

    TextView textView;
    ProgressBar progressBar;
    ListView listView;

    ArrayList <HashMap<String, String>> arrayList = new ArrayList<>();
    HashMap <String, String> hashMap;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        progressBar = findViewById(R.id.progressBar);
        listView = findViewById(R.id.listView);
        textView = findViewById(R.id.textView);

        String url = "https://asoshikhi.com/Drive/job.json";

        JsonArrayRequest arrayRequest = new JsonArrayRequest(Request.Method.GET, url, null, new Response.Listener<JSONArray>() {
            @Override
            public void onResponse(JSONArray response) {
                progressBar.setVisibility(View.GONE);

                try {

                    for(int x=0; x<response.length(); x++){

                        JSONObject jsonObject = response.getJSONObject(x);
                        String title = jsonObject.getString("title");
                        String video_id = jsonObject.getString("video_id");


                        hashMap = new HashMap<>();
                        hashMap.put("title" , title);
                        hashMap.put("video_id" , video_id);
                        arrayList.add(hashMap);

                    }


                    MyAdapter myAdapter = new MyAdapter();
                    listView.setAdapter(myAdapter);



                } catch (JSONException e) {
                    throw new RuntimeException(e);
                }

            }
        }, new Response.ErrorListener() {
            @Override

            public void onErrorResponse(VolleyError error) {
                progressBar.setVisibility(View.GONE);
                textView.setText(""+error.getMessage());
                textView.setVisibility(View.VISIBLE);

            }
        });

        RequestQueue requestQueue = Volley.newRequestQueue(MainActivity.this);
        requestQueue.add(arrayRequest);

    }

    private class MyAdapter extends BaseAdapter{

        @Override
        public int getCount() {
            return arrayList.size();
        }

        @Override
        public Object getItem(int position) {
            return null;
        }

        @Override
        public long getItemId(int position) {
            return 0;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {

            LayoutInflater layoutInflater = getLayoutInflater();
            View myView = layoutInflater.inflate(R.layout.item, null);

            TextView tvTitle = myView.findViewById(R.id.tvTitle);
            ImageView imageThumb = myView.findViewById(R.id.imageThumb);

            HashMap<String, String> hashMap = arrayList.get(position);
            String title = hashMap.get("title");
            String video_id = hashMap.get("video_id");


            String image_url = "https://img.youtube.com/vi/"+video_id+"/0.jpg";

            tvTitle.setText(title);
            imageThumb.setImageResource(R.drawable.img);
            Picasso.get().load(image_url).placeholder(R.drawable.img).into(imageThumb);


            return myView;
        }
    }


}


Item.XML

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:layout_margin="10dp"
    >


    <TextView
        android:id="@+id/tvTitle"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Title Here"
        android:textSize="25sp"
        android:textStyle="bold"
        />

    <ImageView
        android:id="@+id/imageThumb"
        android:layout_width="match_parent"
        android:layout_height="250dp"
        android:src="@drawable/img"
        android:scaleType="centerCrop"
        />
</LinearLayout>