Zoom out zoom in bitmap or canvas
<p>I am new in Android and I want to make zoom out and zoom in on canvas or bitmap. I made draw app and than i want to make zoom out and zoom in picture which I have drawn. Can any one suggest me?</p>

<p>I want to zoom:</p>

<pre><code>private Bitmap mBitmap;
private Canvas mCanvas;
</code></pre>

<p>How do I make "layer drawing"?</p>
