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

            conversation.addMessageEventListener(new NexmoMessageEventListener() {
                @Override
                public void onMessageEvent(@NonNull NexmoMessageEvent messageEvent) {
                    conversationEvents.add(messageEvent);
                    updateConversationView();
                }

                @Override
                public void onTextEvent(@NonNull NexmoTextEvent textEvent) {}

                @Override
                public void onAttachmentEvent(@NonNull NexmoAttachmentEvent attachmentEvent) {}

                @Override
                public void onEventDeleted(@NonNull NexmoDeletedEvent deletedEvent) {}

                @Override
                public void onSeenReceipt(@NonNull NexmoSeenEvent seenEvent) {}

                @Override
                public void onDeliveredReceipt(@NonNull NexmoDeliveredEvent deliveredEvent) {}

                @Override
                public void onTypingEvent(@NonNull NexmoTypingEvent typingEvent) {}
            });
        }

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