title: How to broadcast a message from my own app to contacts on WhatsApp?
body: <p>Now i can send a message from my app to whatsapp by this shown code..BUT how to send to many contacts at one time </p>
  
  <pre><code>Intent waIntent = new Intent(Intent.ACTION_SEND);
              waIntent.setType("text/plain");
                      String text = "Sorry For Interruption,I'm Just Trying Something";
              waIntent.setPackage("com.whatsapp");
              if (waIntent != null) {
                  waIntent.putExtra(Intent.EXTRA_TEXT, text);//
              startActivity(Intent.createChooser(waIntent,"Share with"));
  </code></pre>