작업 코드가 갑자기 작동을 멈췄습니다.-왜?

ASYNC TASK를 사용하여 내 앱의 데이터를 REST API를 통해 데이터베이스로 보내거나 가져 왔습니다. 내 몇 가지 프로젝트에 사용했던 코드 (완료 됨)는 다른 새 프로젝트에서도 사용하는 것입니다. 이제 새 프로젝트를 만들었고 작업 비동기 코드는 더 이상 데이터를 가져 오지 않지만 이전에 붙여 넣은 동일한 코드입니다. 프로젝트, 잘 작동합니다. 내일 시작하는 새 프로젝트가 있으며 사용하기 쉬운 코드가 새 프로젝트에서도 잘 작동하기를 바랍니다. MANIFEST에 추가 된 INTERNET PERMISSION .. postExecute에서 데이터베이스에서 Toast를 표시해야하는 MainActivity.java의 코드

import androidx.appcompat.app.AppCompatActivity;

import android.os.AsyncTask;
import android.os.Bundle;
import android.widget.Toast;

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

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {
    String name;
    ArrayList<String> NAME=new ArrayList<String>();

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

    public class getpostcount extends AsyncTask<String, String, String> {
        String db_url;


        @Override
        protected void onPreExecute() {
            //   Toast.makeText(newsFeed.this, "Loading........", Toast.LENGTH_SHORT).show();
            db_url = "http://testprasis.000webhostapp.com/getshopname.php";

        }

        @Override
        protected String doInBackground(String... args) {

            try {
                URL url = new URL(db_url);
                HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
                httpURLConnection.setRequestMethod("POST");
                httpURLConnection.setDoOutput(true);
                httpURLConnection.setDoInput(true);
                OutputStream outputStream = httpURLConnection.getOutputStream();
                BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(outputStream, "UTF-8"));

                bufferedWriter.flush();
                bufferedWriter.close();
                outputStream.close();

                InputStream inputStream = httpURLConnection.getInputStream();
                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream, "iso-8859-1"));
                StringBuffer buffer = new StringBuffer();
                StringBuilder stringBuilder = new StringBuilder();
                String line = "";

                while ((line = bufferedReader.readLine()) != null) {
                    stringBuilder.append(line);

                }
                bufferedReader.close();
                inputStream.close();
                httpURLConnection.disconnect();
                String data = stringBuilder.toString().trim();

                String json;

                InputStream stream = new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8));
                int size = stream.available();
                byte[] buffer1 = new byte[size];
                stream.read(buffer1);
                stream.close();

                json = new String(buffer1, "UTF-8");
                JSONArray jsonArray = new JSONArray(json);

                for (int i = 0; i <= jsonArray.length(); i++) {
                    JSONObject jsonObject = jsonArray.getJSONObject(i);
                    if (jsonObject.getString("id") != null) {
                        name = jsonObject.getString("shop_name");

                        NAME.add(name);


                    }
                }


                return null;


            } catch (MalformedURLException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } catch (JSONException e) {
                e.printStackTrace();
            }
//
            return null;
        }

        @Override
        protected void onPostExecute(String s) {
              Toast.makeText(MainActivity.this,NAME.get(0), Toast.LENGTH_SHORT).show();
        }
    }
}

LOGCAT :

2019-11-27 17:13:00.044 26790-26790/com.sheershakx.hisab E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.sheershakx.hisab, PID: 26790
    java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
        at java.util.ArrayList.get(ArrayList.java:437)
        at com.sheershakx.hisab.MainActivity$getpostcount.onPostExecute(MainActivity.java:119)
        at com.sheershakx.hisab.MainActivity$getpostcount.onPostExecute(MainActivity.java:38)
        at android.os.AsyncTask.finish(AsyncTask.java:695)
        at android.os.AsyncTask.access$600(AsyncTask.java:180)
        at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:712)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:201)
        at android.app.ActivityThread.main(ActivityThread.java:6810)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:873)