MainActivity.java

package movies.anandsingh.net.movies;

import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class MainActivity extends AppCompatActivity {

    TextView text, text2;

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

        text = (TextView) findViewById(R.id.textView);
        text2 = (TextView) findViewById(R.id.textView2);

        new CheckConnectionStatus().execute("http://google.com");

    }

    class  CheckConnectionStatus extends AsyncTask<String, Void, String>
    {

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            text.setText("");
            text2.setText("Respone code is: ");
        }

        @Override
        protected String doInBackground(String... params) {
            URL url = null;
            try {
                url = new URL(params[0]);
            } catch (MalformedURLException e) {
                e.printStackTrace();
            }
            try {
                HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
                //Log.i("Reponse: ", String.valueOf(urlConnection.getResponseCode()));
                return String.valueOf(urlConnection.getResponseCode());
            } catch (IOException e) {
                Log.e("Error: ", e.getMessage(), e);
            }
            return null;
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);
            text.setText(s);
        }
    }
}