How to use

getInstance

method

in

com.mega4tech.whatsappapilibrary.WhatsappApi

mReceivers = new LinkedList<>();
if (!WhatsappApi.getInstance().isWhatsappInstalled()) {
  Toast.makeText(this, "Whatsapp not installed", Toast.LENGTH_SHORT).show();
  return;
if (!WhatsappApi.getInstance().isRootAvailable()) {
  Toast.makeText(this, "Root is not available", Toast.LENGTH_SHORT).show();
  return;
  WhatsappApi.getInstance().getContacts(this, new GetContactsListener() {
    @Override
    public void receiveWhatsappContacts(List<WContact> contacts) {

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