Test app

package com.example.sa;


import android.os.Bundle;
import android.app.Activity;
import android.text.Editable;
import android.text.method.KeyListener;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ScrollView;

public class MainActivity extends Activity implements KeyListener,OnClickListener{
	ScrollView s,sx;
	Button b1,b2;
	int c=0;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        b1=(Button)findViewById(R.id.button1);
        b2=(Button)findViewById(R.id.button2);
    	s=(ScrollView)findViewById(R.id.s1);
		sx=(ScrollView)findViewById(R.id.s2);
    


   

b1.setOnClickListener(new View.OnClickListener() {
		
		
		public void onClick(View v) 
		{
			// TODO Auto-generated method stub
			
			    int y = s.getHeight();
			    s.smoothScrollBy(0, y);
			    c=c+y;
			
		}
	});
b2.setOnClickListener(new View.OnClickListener() {
	
	
	public void onClick(View v) 
	{
		// TODO Auto-generated method stub
			
		    int y = sx.getHeight();
		    sx.smoothScrollBy(c, y);
		    
		
	}
});
	}


	@Override
	public void clearMetaKeyState(View arg0, Editable arg1, int arg2) {
		// TODO Auto-generated method stub
		
	}


	@Override
	public int getInputType() {
		// TODO Auto-generated method stub
		return 0;
	}


	@Override
	public boolean onKeyDown(View arg0, Editable arg1, int arg2, KeyEvent arg3) {
		// TODO Auto-generated method stub
		return false;
	}


	@Override
	public boolean onKeyOther(View arg0, Editable arg1, KeyEvent arg2) {
		// TODO Auto-generated method stub
		return false;
	}


	@Override
	public boolean onKeyUp(View arg0, Editable arg1, int arg2, KeyEvent arg3) {
		// TODO Auto-generated method stub
		return false;
	}


	@Override
	public void onClick(View v) {
		// TODO Auto-generated method stub
		
	}
    
}