---
title: "Yudhi Setiawan (@yudhizth) | Hashnode"
description: "CTO Solu.co.id. Read the latest articles by Yudhi Setiawan on Hashnode."
url: "https://hashnode.com/@yudhizth"
---

@yudhizth

# Yudhi Setiawan

@yudhizth · Joined July 2019

CTO Solu.co.id

## Comments

[Hi Thomas, I got the same problem previously, and then I try to create a new credential with this role: Dialogflow -> Dialogflow API Admin Thomas Hasler](https://hashnode.com/posts/build-a-chatbot-in-20-minutes-using-flutter-and-dialogflow/5d2d72c36d8e5e5323656400/comment/5d306ec6d5d9a94b3b4d5ac4#reply-5d419ea1aa10ff7154afa2b2)

Reply · Article · Jul 31, 2019 · [Build a chatbot in 20 minutes using Flutter and Dialogflow](https://hashnode.com/posts/build-a-chatbot-in-20-minutes-using-flutter-and-dialogflow/5d2d72c36d8e5e5323656400)

[Hi Promise Amadi your code is working. Thank you](https://hashnode.com/posts/build-a-chatbot-in-20-minutes-using-flutter-and-dialogflow/5d2d72c36d8e5e5323656400/comment/5d306ec6d5d9a94b3b4d5ac4#reply-5d417b127351d76731cd78e5)

Reply · Article · Jul 31, 2019 · [Build a chatbot in 20 minutes using Flutter and Dialogflow](https://hashnode.com/posts/build-a-chatbot-in-20-minutes-using-flutter-and-dialogflow/5d2d72c36d8e5e5323656400)

[Promise Amadi sure, this is the GitLab project link https://gitlab.com/yudhizth/chatbot.git](https://hashnode.com/posts/build-a-chatbot-in-20-minutes-using-flutter-and-dialogflow/5d2d72c36d8e5e5323656400/comment/5d306ec6d5d9a94b3b4d5ac4#reply-5d4032229894947334625790)

Reply · Article · Jul 30, 2019 · [Build a chatbot in 20 minutes using Flutter and Dialogflow](https://hashnode.com/posts/build-a-chatbot-in-20-minutes-using-flutter-and-dialogflow/5d2d72c36d8e5e5323656400)

[Hello brother, thank you for the tutorial. I'm following the steps above, but I got this error E/flutter ( 5219): \[ERROR:flutter/lib/ui/ui\_dart\_state.cc(148)\] Unhandled Exception: NoSuchMethodError: The method '\[\]' was called on null.](https://hashnode.com/posts/build-a-chatbot-in-20-minutes-using-flutter-and-dialogflow/5d2d72c36d8e5e5323656400/comment/5d306ec6d5d9a94b3b4d5ac4)

Comment · Article · Jul 18, 2019 · [Build a chatbot in 20 minutes using Flutter and Dialogflow](https://hashnode.com/posts/build-a-chatbot-in-20-minutes-using-flutter-and-dialogflow/5d2d72c36d8e5e5323656400)