title: Android Intent to call Whatsapp from code
body: <p>I am using this code to call WhatsApp directly from my Call Logs app. This works well,  but only if the phone number includes a valid country code. For example calling WhatsApp with 919789006685 works but calling it with 97890 06685 does not work. Here 91 is the country code.</p>
  
  <p>Since my app reads phone numbers from Call Logs, I should be able to invoke WhatsApp with any valid contact phone number, irrespective of the stored phone number format. It is possible that users store numbers in their contacts which do not include country codes. So is there a workaround for this issue?</p>
  
  <p>Code used within my app:</p>
  
  <pre><code>Intent sendIntent = new Intent("android.intent.action.MAIN");
  sendIntent.setComponent(new ComponentName("com.whatsapp", "com.whatsapp.Conversation"));
  String waNumber = contactPhone.replace("+", "");
  sendIntent.putExtra("jid", waNumber + "@s.whatsapp.net");
  startActivity(sendIntent);
  </code></pre>