su
speedmod

password.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if(hasFocus){
                    ShowList();
                }
            }
        });

private void ShowList(){
        List.setVisibility(View.VISIBLE);
        Handler handler = new Handler();
        handler.postDelayed(new Runnable() {
            public void run() {
                ScrollViewList.post(new Runnable() {
                    public void run()
                    {
                        ScrollViewList.smoothScrollTo(0, ScrollViewList.getBottom());
                    }
                });
            }
        },250);
    }

package com.example.sample123;

import android.app.Notification;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.os.IBinder;
import android.os.VibrationEffect;
import android.os.Vibrator;
import android.support.annotation.Nullable;
import android.support.v4.app.NotificationCompat;
import com.android_examples.com.webbrowser.R;
import java.net.InetAddress;
import java.util.Timer;
import java.util.TimerTask;
import static com.example.sample123.NotificationService.CHANNEL_ID;


public class ExampleService extends Service {
    int flag=0;
    [USER=1021285]@override[/USER]
    public void onCreate() {
        super.onCreate();
    }

    [USER=1021285]@override[/USER]
    public int onStartCommand(Intent intent, int flags, int startId) {

        Intent notificationIntent = new Intent(this, MainActivity.class);
        PendingIntent pendingIntent = PendingIntent.getActivity(this,
                0, notificationIntent, 0);

        Notification notification = new NotificationCompat.Builder(this, CHANNEL_ID)
                .setContentTitle("Fire Alarm Service")
                .setContentText("Alarm system is functional")
                .setSmallIcon(R.mipmap.ic_launcher)
                .setContentIntent(pendingIntent)
                .build();

        startForeground(1, notification);


        Timer repeatTask = new Timer();
        repeatTask.scheduleAtFixedRate(new TimerTask() {

            [USER=1021285]@override[/USER]
            public void run() {
                if (isInternetAvailable()){
                    flag = 1;
                }else{
                    flag = 0;
                }
                System.out.println("pingHost flag: " + flag );
                new Thread(new Runnable() {
                    [USER=1021285]@override[/USER]
                    public void run() {
                        if (flag == 1) {
                            Vibrator v = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
                            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                                v.vibrate(VibrationEffect.createOneShot(5000, VibrationEffect.DEFAULT_AMPLITUDE));
                            } else {
                                //deprecated in API 26
                                v.vibrate(5000);
                            }
                        }
                    }
                });
            }
        }, 0, 10000);


        return START_NOT_STICKY;
    }

    [USER=1021285]@override[/USER]
    public void onDestroy() {
        super.onDestroy();
    }

    [USER=1996173]@nullable[/USER]
    [USER=1021285]@override[/USER]
    public IBinder onBind(Intent intent) {
        return null;
    }

    public boolean isInternetAvailable() {
        try {
            InetAddress ipAddr = InetAddress.getByName("google.com");
            //You can replace it with your name
            return !ipAddr.equals("");

        }
        catch (Exception e) {
            return false;
        }
    }
}

package com.example.sandpit9

import android.content.Intent
import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import kotlinx.android.synthetic.main.activity_main.*

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        imageButton1.setOnClickListener{toast(R.)}

        imageButton1.setOnClickListener{
            imageButton1.setImageResource(R.drawable.greenbutton)
            textView1.setText("test 1")

        }

    }

    private fun toast() {

        val text: Any = textView2
        textView2.setText("test 2")


    }

}

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".MainActivity">

    <TextView
            android:text="TextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/textView1"
            android:layout_marginTop="8dp"
            app:layout_constraintTop_toBottomOf="@+id/imageButton1"
            android:layout_marginBottom="8dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            android:layout_marginEnd="8dp"
            android:layout_marginRight="8dp"
            app:layout_constraintStart_toStartOf="parent"
            android:layout_marginLeft="8dp"
            android:layout_marginStart="8dp"
            android:textSize="34sp"/>
    <ImageButton
            android:layout_width="174dp"
            android:layout_height="154dp"
            app:srcCompat="@drawable/download"
            android:id="@+id/imageButton1"
            app:layout_constraintEnd_toEndOf="parent"
            android:layout_marginEnd="8dp"
            android:layout_marginRight="8dp"
            app:layout_constraintStart_toStartOf="parent"
            android:layout_marginLeft="8dp"
            android:layout_marginStart="8dp"
            android:layout_marginTop="8dp"
            app:layout_constraintTop_toTopOf="parent"
            android:layout_marginBottom="8dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintHorizontal_bias="0.542"
            app:layout_constraintVertical_bias="0.187"/>
    <TextView
            android:text="textvar1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/textView2"
            android:textSize="34sp" android:layout_marginTop="108dp"
            app:layout_constraintTop_toBottomOf="@+id/imageButton1" android:layout_marginEnd="8dp"
            app:layout_constraintEnd_toEndOf="parent" android:layout_marginRight="8dp" android:layout_marginStart="8dp"
            app:layout_constraintStart_toStartOf="parent" android:layout_marginLeft="8dp"
            app:layout_constraintHorizontal_bias="0.535"/>
</android.support.constraint.ConstraintLayout>