How to use

sendMessage

method

in

com.mega4tech.whatsappapilibrary.WhatsappApi

public void sendMessage(WContact contact, WMessage message, Context context, SendMessageListener listener) throws IOException, WhatsappNotInstalledException {
  List<WContact> contacts = new LinkedList<>();
  contacts.add(contact);
  sendMessage(contacts, message, context, listener);
}

WhatsappApi.getInstance().sendMessage(mReceivers, message, this, new SendMessageListener() {
  @Override
  public void finishSendWMessage(List<WContact> contact, WMessage message) {