Buscar la conversación

private NexmoConversation conversation;

private void getConversation() {
    client.getConversation(CONVERSATION_ID, new NexmoRequestListener<NexmoConversation>() {
        @Override
        public void onSuccess(@Nullable NexmoConversation conversation) {
            MainActivity.this.conversation = conversation;
        }

        @Override
        public void onError(@NonNull NexmoApiError apiError) {
            MainActivity.this.conversation = null;
            Toast.makeText(MainActivity.this, "Error: Unable to load conversation", Toast.LENGTH_SHORT);
        }
    });
}