title: Sending message to multiple contacts at once, via whatsapp, android studio
body: <p>I want to send message to multiple contacts <strong>at once</strong> , via whatsapp. I know that it is posible via whatsapp broadcast, but <strong>problem</strong> is I dont know how to realize it by code, in android studio. I searched about it, but didn't find anything. Does anyone knows how to do it?</p>