Communication between classes in an android project
<p>I've been struggling to solve a problem for over a week.</p>

<p>I have a main activity with 3 child classes which extends View.
When a touch event happens at a View class, calling a certain method in other 2 View classes synchronize with the event. But I have no idea how to call the certain method.  In other words, I don't know how to communicate between classes extends View.</p>

<p>Does anyone know how to figure it out ?
Any comments would be highly appreciated.
Thanks.</p>
