How do I draw a scrollable background for an Android game
<p>I want to draw an image that on some levels may be larger than the screen as the background for a Android game.  I want the user to be able to scroll the image using their finger on the touch screen.</p>

<p>Here is how I am drawing the background:</p>

<pre><code>Bitmap scratch =  BitmapFactory.decodeResource(getResources(),R.drawable.background);
canvas.drawColor(Color.BLACK);
canvas.drawBitmap(scratch, 0, 0, null);
</code></pre>
