not able to link SurfaceViewExample to MainActivity
<p>In DrawingTheBall class making some animation stuff..
In SUrfaceViewExample class Touchevent will be detecetd..
my problem is i am not able to link MainActivity and SurtfaceViewExample ..
no issues with DrawingTheBall..
MAIN CLASS:...</p>

<pre><code>package maddy.first;
import android.app.Activity;
import android.os.Bundle;
public class Madhu1Activity extends Activity {

/** Called when the activity is first created. */
    Drwwingtheball v;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
            v = new Drawingtheball(this);
            setContentView(v);
        } 
}
</code></pre>

<p>CLASS SurfaceViewExample:</p>

<pre><code>package maddy.first;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnTouchListener;

public class SurfaceViewExample extends Activity implements OnTouchListener{

  OurView v;
  Bitmap ball;
  float x,y;
        @Override
  protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
            super.onCreate(savedInstanceState);
            v=new OurView(this);
            v.setOnTouchListener(this);
     ball=BitmapFactory.decodeResource(getResources(),R.drawable.tennis_ball);
           x = y = 0;
           setContentView(v);
      }
  @Override
    protected void onResume() {
    // TODO Auto-generated method stub
    super.onResume();
    v.resume();
    }
public class OurView extends SurfaceView implements Runnable{
    Thread t;

    SurfaceHolder holder;

    boolean isItOk=false;

    public OurView(Context context) {
        super(context);
        // TODO Auto-generated constructor stub
           holder=getHolder();
      }


public void run() {

    // TODO Auto-generated method stub

    while( isItOk ==true)
    {
     //drawing   
     if(holder.getSurface().isValid()) {

        continue;

     }

     Canvas c=holder.lockCanvas();
     c.drawARGB(255,150,150,10);    
     c.drawBitmap(ball, x-(ball.getWidth()), y-(ball.getHeight()), null);

     holder.unlockCanvasAndPost(c);     

    }
 }
public void pause()
{
    isItOk=false;
    while(true) {
        try {
            t.join();
        }catch(InterruptedException e) {

            e.printStackTrace();

        }
        break;

    }
}

 public void resume()
 {
   isItOk=true;  
   t=new Thread(this);
   t.start();
 }

  }
    public boolean onTouch(View v, MotionEvent event) {
  // TODO Auto-generated method stub
   return false;
     } 


 }
</code></pre>

<p>Class DrawingTheBall:</p>

<pre><code>package maddy.first;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.view.View;
public class DrawingTheBall extends View { 

    Bitmap bball;
    int x,y;
public DrawingTheBall(Context context) {
        super(context);

    bball=BitmapFactory.decodeResource(getResources() ,R.drawable.tennis_ball);
        x = 0;
        y = 0;
        }
protected void onDraw(Canvas canvas)
  {
super.onDraw(canvas);
    Rect ourRect=new Rect();
    ourRect.contains( 0, 0,canvas.getWidth(),canvas.getHeight()/2);
    Paint blue=new Paint();
    blue.setColor(Color.RED);
    blue.setStyle(Paint.Style.FILL);
    canvas.drawRect(ourRect, blue);
    if(x &lt; canvas.getWidth())
    x+=10;
    else
        x=0;
    if(y&lt;canvas.getHeight())
    y+=10;
    else
         y=0;
    Paint p=new Paint();
    canvas.drawBitmap(bball,x,y,p);
    invalidate();
  }


}
}
</code></pre>
