สอบถาม Background Service ครับผมจะทำให้โปรแกรมรันตลอดเวลาแม้ปิดแล้วโดยให้ส่งข้อมูลไป API ตลอดเวลา

package com.example.myapplication;

import android.content.Context;
import android.nfc.Tag;
import android.util.Log;
import android.widget.Toast;

import java.io.IOException;

import okhttp3.FormBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

public class Trun extends Thread{
    private  int count=0;
    public static Context context;
    @Override
    public void run() {
        while(true) {

                count++;
                try {
                    postHttp http = new postHttp();

                    RequestBody formBody = new FormBody.Builder()
                            .add("input", "run :" + count)
                            .build();

                    String response = null;
                    try {
                        response = http.run("https://services.i-softhosting.com/test.php", formBody);
                    } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }

                        Toast.makeText(context,"Detail : " + response,Toast.LENGTH_SHORT).show();
                    sleep(1500);

                } catch (Exception er) {


            }
        }
    }

    public class postHttp {
        OkHttpClient client = new OkHttpClient();

        String run(String url, RequestBody body) throws IOException{
            Request request = new Request.Builder()
                    .url(url)
                    .post(body)
                    .build();
            Response response = client.newCall(request).execute();
            return response.body().string();
        }
    }

}

package com.example.myapplication;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.os.StrictMode;

public class MyService extends Service {
    public MyService() {
    }
    private Trun t ;

    @Override
    public IBinder onBind(Intent intent) {
        // TODO: Return the communication channel to the service.
        throw new UnsupportedOperationException("Not yet implemented");
    }

    @Override
    public void onCreate() {
        Trun.context = this;
        t = new Trun();
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        if(t.isAlive()==false){
            t.start();
        }
        return START_STICKY;
    }
}