Java JSch code

package com.kiranthepro.epizy.com.raspberrypirobotcontroller;

import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelExec;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;

public class RobotController extends AppCompatActivity {
    private WebView streamWebView;
    String host;
    String user;
    String password;

    public static Session session;
    public static ChannelExec channel;

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

        host=getIntent().getExtras().getString("com.kiranthepro.epizy.com.raspberrypirobotcontroller.HOSTNAME");
        user=getIntent().getExtras().getString("com.kiranthepro.epizy.com.raspberrypirobotcontroller.USERNAME");
        password=getIntent().getExtras().getString("com.kiranthepro.epizy.com.raspberrypirobotcontroller.PASSWORD");

        initStreamConnection();

        new makeSSHConnection().execute();

    }



    private class makeSSHConnection extends AsyncTask<Void, Void, Void> {

        @Override
        protected Void doInBackground(Void... voids) {

            try {
                initSSHConnection();
                System.out.println("IT WORKED!");
            } catch (Exception e) {
                System.out.println(e);
            }

            return null;
        }
    }

    public void initStreamConnection() {

        streamWebView = (WebView)findViewById(R.id.PiLiveStream);
        streamWebView.setWebViewClient(new WebViewClient());
        streamWebView.loadUrl(host);
        streamWebView.getSettings().setBuiltInZoomControls(true);
        streamWebView.getSettings().setDisplayZoomControls(false);
    }


    public void initSSHConnection() throws JSchException {

        JSch jsch = new JSch();
        Session session = jsch.getSession(user, host, 22);
        session.setPassword(password);
        session.setTimeout(10000);
        java.util.Properties config = new java.util.Properties();
        config.put("StrictHostKeyChecking", "no");
        session.setConfig(config);
        session.connect();

        channel = (ChannelExec)session.openChannel("exec");
        channel.setCommand("python3 PythonFiles/robot_controller_scripts/moveRobotSetupPins.py");
        System.out.println("Successfully set up pins!");

        System.out.println(host + "\n" + user + "\n" + password);
    }

    public void sendFwdCmd() {
        channel.sendCommand("python3 PythonFiles/robot_controller_scripts/moveRobotScriptSSH.py F");
    }
}