//layout

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:id="@+id/activity_main"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.hussienalrubaye.androidpermission.MainActivity">

<LinearLayout

android:orientation="vertical"

android:layout_width="match_parent"

android:layout_height="match_parent">

<SeekBar

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:id="@+id/sb1"

/>

<TextView

android:text="counter=1"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:id="@+id/tvCounter"

android:textSize="42sp" />

<Button

android:text="Start"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:id="@+id/button6"

android:onClick="bustart" />

<Button

android:text="Stop"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:id="@+id/button5"

android:onClick="buStop" />

</LinearLayout>

</RelativeLayout>

//code

SeekBar sb1;

int MaxCounter=100;

TextView tvCounter;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

sb1=(SeekBar)findViewById(R.id.sb1);

tvCounter=(TextView)findViewById(R.id.tvCounter) ;

sb1.setMax(MaxCounter);

}

boolean IsRunning=false;

int CounterUp=0;

public void bustart(View view) {

IsRunning=true;

myThread t=new myThread();

t.start();

}

public void buStop(View view) {

IsRunning=false;

}

class myThread extends Thread{

@Override

public void run() {

while (IsRunning){

if (CounterUp<MaxCounter){

// call ui

runOnUiThread(new Runnable() {

@Override

public void run() {

sb1.setProgress(CounterUp);

tvCounter.setText("Couunter "+ CounterUp);

}

});

CounterUp=CounterUp+1;

try {

Thread.sleep(1000);

} catch (InterruptedException e) {

e.printStackTrace();

}

}

}

}

}