Nouman16

public class MainActivity extends AppCompatActivity {

    Button buttonStart;
    Button buttonStop;



    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

Nouman16

public class ConnectTask extends AsyncTask<String, Void, String> {

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

        StringBuilder stringBuilder = new StringBuilder();
        
        
        // params stores url of the API in string format that is needed to be convert in URL it comes from your MainActivity from where you execute asynctask.