class MyCustomView extends View
{
    Context ctx;

    public MyCustomView(Context context, AttributeSet attrs) {
        super(context);
        // TODO Auto-generated constructor stub
        ctx=context;
    }

    @Override
    public void onDraw(Canvas canvas) {
        // TODO Auto-generated method stub

        canvas.drawBitmap(BitmapFactory.decodeResource(getResources(),R.drawable.layout1), 0, 0,null);
        //Log.i("Canvs Length",canvas.getWidth()+" "+canvas.getHeight()); Returns the screen coordinates
    }


    @Override
    public boolean onTouchEvent(MotionEvent event) {
        // TODO Auto-generated method stub
        //return super.onTouchEvent(event);

        Log.i("MotionEvent ",event.getX()+" "+event.getY());
        Toast.makeText(ctx,event.getRawX()+" "+event.getRawY() , Toast.LENGTH_SHORT).show();
        return true;
    }


    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        // TODO Auto-generated method stub
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    }
}

Layout file :

<?xml version="1.0" encoding="utf-8"?>
    <view   xmlns:android="http://schemas.android.com/apk/res/android"
        class="com.android.mycustomview.MyCustomView"
        android:id="@+id/SurfaceView01"
        android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:maxHeight="40dip"
                android:background="#ff0000">
    </view>