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Building a chatbot using React Native and Watson Assistant

Tony Diaz
🐊 Florida Gator alum. 📚 MBA. 🧑🏻‍💻Engineer. 👁🐝Ⓜ️ IBMer
・3 min read

I recently sat in a talk about React Native while at the All things open conference (allthingsopen.org) in Raleigh, NC. I wanted to try out this new framework on a simple project. Since I work on a project that provides conversational AI assistants I decided to combine them both.

Disclaimer: I work on Watson Assistant at IBM...

I needed a simple conversational flow to use for this project so I decided to use the "Are you rob base?" flow chart

Flow chart

Training the Assistant

I won't dive into much of Watson Assistant. There is plenty of documentation on that if you are interested. (https://console.bluemix.net/docs/services/conversation/)

Note: All the information for this skill is provided in a JSON file in the source code that can be imported when creating a dialog skill.

Intents

Since this is a flowchart our bot needs to understand just two responses Yes and No.

I defined the #Yes and #No intents in the tool. You can provide more examples of what that might look like as shown in the screenshot, this will help better train the assistant to recognize other ways your users might answer the question.

Intents

Entities:

They aren't needed in this use case.

Dialog:

Here is where you build the conversation flow. Since it is a flowchart it is fairly straightforward on how to structure it. I nested the flow within each node so one response will lead to the next. Any incorrect response will send you a "catch-all" response informing you that you are not Rob Base.
Dialog

Now that I have a bot that is responding according to the flowchart. I need to have a way users can interface with it. This is where the React Native code comes in.

React Native:

As a noob to react native I noticed the documentation for getting started now points to using expo.io. I followed those instructions and set up a boilerplate app. Expo provides some nice ways to run your app both locally during development, on an iOS/Andriod simulator or through their app that you can view on your phone.

I checked to see if there is any package that would provide a chat UI in React Native. I was pleasantly surprised to see there is one. This is a huge timesaver to not have to develop a UI chat panel from scratch. The package is called react-native-gifted-chat. I installed that as well as the package for Watson watson-developer-cloud to interface with Watson Assistant APIs easier. After some integration of the chatbot and Watson APIs, I have a working chatbot. That's it!

Rob Base Chat

In a short amount of time, anyone can have a powerful bot deployed to both Andriod and iOS using Expo.io and Watson Assistant. It really allows for a lot of possible applications without having to know much about Objective-C, Java, or Swift.

Check out the source code:

https://github.com/tonydiaz/wa-react-native-minimal

Of course, this article wouldn't be complete without a link to listen to some Rob Base!

It takes two

Discussion (9)

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ameerhamza profile image
Ameer Hamza

This package has been deprecated :(

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tonydiaz profile image
Tony Diaz Author

Which package are you looking at?

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iamprakashom profile image
Om Prakash

hello there can you help in watson assitant in react native

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tonydiaz profile image
Tony Diaz Author

Hi there. What help did you need?

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iamprakashom profile image
Om Prakash

i need to know the basic work flow to create chat bot using watson assitant in expo?

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tonydiaz profile image
Tony Diaz Author

You just need to interact with the Watson Assistant APIs. There isn't any specific flow when using expo.

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troykirin profile image
ॐ Troy Kirin

ibm-developer-cloud is now ibm-cloud still being maintained

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kannimuthud profile image
kannimuthud • Edited

please explain how to setup the .env file

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joelee229 profile image
Joel crescêncio de lima sena

Tu é foda manin. Parabéns