Android, check alpha of pixel?
<p>I get the colour of my bitmap under the touch x and y:</p>

<pre><code>int myX = (int)event.getX();
int myY = (int)event.getY();
int color = pngTestBM.getPixel(myX,myY);
</code></pre>

<p>How can I check if the pixel is transparent?</p>
