Android Intent to call Whatsapp from code

Question

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

Answer 1

WhatsApp for an specific phone number

val whatsAppIntent = Intent(Intent.ACTION_VIEW)
val encodedText = URLEncoder.encode("Helo World", "UTF-8")
whatsAppIntent.data = Uri.parse("http://api.whatsapp.com/send?phone=$phoneNumber&text=$encodedText")