content: package com.sample;
  
  import android.app.Activity;
  import android.os.Bundle;
  import android.widget.SeekBar;
  import android.widget.SeekBar.OnSeekBarChangeListener;
  import android.widget.TextView;
  import android.widget.VerticalSeekBar;
  import android.widget.VerticalSeekBar_Reverse;
  
  public class SampleActivity extends Activity {
     
  	 VerticalSeekBar verticalSeekBar=null;
  	 VerticalSeekBar_Reverse verticalSeekBar_Reverse=null;
  	 TextView vsProgress,vs_reverseProgress=null;
  	
      @Override
      public void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.main);
          verticalSeekBar=(VerticalSeekBar)findViewById(R.id.vertical_Seekbar);
          verticalSeekBar_Reverse=(VerticalSeekBar_Reverse)findViewById(R.id.seekbar_reverse);
          vsProgress=(TextView)findViewById(R.id.vertical_sb_progresstext);
          vs_reverseProgress=(TextView)findViewById(R.id.reverse_sb_progresstext);
          
          
          verticalSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
  			
  			@Override
  			public void onStopTrackingTouch(SeekBar seekBar) {
  				// TODO Auto-generated method stub
  				
  			}
  			
  			@Override
  			public void onStartTrackingTouch(SeekBar seekBar) {
  				// TODO Auto-generated method stub
  				
  			}
  			
  			@Override
  			public void onProgressChanged(SeekBar seekBar, int progress,
  					boolean fromUser) {
  				vsProgress.setText(progress+"");
  				
  			}
  		});
          
          verticalSeekBar_Reverse.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
  			
  			@Override
  			public void onStopTrackingTouch(SeekBar seekBar) {
  				// TODO Auto-generated method stub
  				
  			}
  			
  			@Override
  			public void onStartTrackingTouch(SeekBar seekBar) {
  				// TODO Auto-generated method stub
  				
  			}
  			
  			@Override
  			public void onProgressChanged(SeekBar seekBar, int progress,
  					boolean fromUser) {
  				vs_reverseProgress.setText(progress+"");
  				
  			}
  		});
          
      }
  }