The adapter's role is to convert an object at a position into a list row item to be inserted. However, with a RecyclerView the adapter requires the existence of a "ViewHolder" object which describes ...

Ссылка русскоязычную инструкцию whatsapp-api-client-java is a library for integration with WhatsApp messenger using the API service green-api.com. You should get a registration token and an account ID ...