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Comment by Yudhi Setiawan on "Build a chatbot in 20 minutes using Flutter and Dialogflow" | Hashnode

Discussion

Yudhi Setiawan

CTO Solu.co.id

Jul 18, 2019

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.

Annotation 2019-07-18 200022.png

Promise Amadi

Expert Android Developer || Certified Flutter Developer || Technical Writer || Tech Speaker || Digital Skills Educator

Jul 18, 2019

can you push your project to GitHub, so that I can go through your source code and see where the error is coming from.

Thomas Hasler

Jul 30, 2019

I am facing same issue . Can you please tell while creating service account which role should I select for the new service account?? Please Help I need to include this chatbot in my projects as soon as possible!. Thanks in advance!!

Yudhi Setiawan

CTO Solu.co.id

Jul 30, 2019

Promise Amadi sure, this is the GitLab project link gitlab.com/yudhizth/chatbot.git

Promise Amadi

Expert Android Developer || Certified Flutter Developer || Technical Writer || Tech Speaker || Digital Skills Educator

Jul 30, 2019

Hi Yudhi Setiawan, the source code is on Github and this is the link github.com/Wizpna/chatbot

Yudhi Setiawan

CTO Solu.co.id

Jul 31, 2019

Hi Promise Amadi your code is working. Thank you

Thomas Hasler

Jul 31, 2019

Your project is working and I think i have problem in credentials part can you please tell which role should i select while creating new service account?? for downloading json file! Thanks!!

Yudhi Setiawan

CTO Solu.co.id

Jul 31, 2019

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

Thomas Hasler

Jul 31, 2019

I got it working in my emulator but its not working in my mobile device , not getting any reply from bot!!