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OpenAI API Chatbot for ChatGPT


OpenAI’s ChatGPT is an synthetic intelligence (AI) chatbot that may generate human-like responses based mostly on textual content enter utilizing the Generative Pre-trained Transformer (GPT) massive language mannequin. OpenAI launched ChatGPT in December 2022, and in two months, it garnered over 100 million month-to-month lively customers, making it the fastest-growing client software in historical past. Many individuals use ChatGPT for interactive training, mock interviews, language translation, automated customer support and extra.

ChatGPT is on the market as an software programming interface (API) service, which suggests you’ll be able to combine it into your Android software. With ChatGPT, you’ll be able to create an Android software to appropriate your typing grammar, as an example.

On this tutorial, you’ll discover ways to construct Chatty Bot, a ChatGPT-based chatbot Android software. Within the software, you’ll be able to select a persona on your chatbot, resembling a journey information.

In the course of the course of, you’ll study to:

  • Design chat messages.
  • Create typing animation.
  • Combine the ChatGPT OpenAI API service.
  • Perceive the parameters of the API name.

Notice: This text assumes you will have earlier expertise with Kotlin and Jetpack Compose in Android. To know Kotlin, soar into this Introduction to Kotlin for Android tutorial and the ebook Kotlin Apprentice. For studying Android growth, take a look at the ebook Android Apprentice. Lastly, to know Jetpack Compose, you can begin with Jetpack Compose by Tutorials.

And with that, it’s time to speak it up!

Getting Began

Obtain the starter mission by clicking the Obtain Supplies button on the high or backside of the tutorial. Open Android Studio Electrical Eel or import and open the starter mission later.

Chatty Bot file structure

Browse the mission’s information to familiarize your self with the codebase. There are two important folders below the com.kodeco.android.chattybot folder: the ui folder and the mannequin folder.

Six information are below the ui folder. The Settings.kt file is the Settings display screen, a type for getting into the OpenAI API key. The TabScreen.kt file is a container for the chatting display screen, and the PersonaScreen.kt file permits customers to decide on the ChatGPT persona, resembling a journey information. You’ll create the consumer interface (UI) for the chat message containers within the AIMessage.kt, UserMessage.kt and ChattingScreen.kt information.

The mannequin listing accommodates a number of information. The primary file, Persona.kt, shops the persona textual content for PersonaScreen.ktConstants.kt shops mission constants. ChatModel.kt accommodates the information fashions for exchanging messages between the OpenAI API server with the Retrofit library. OpenAIService.kt is the interface for calling the OpenAI API server, and ChatRetriever.kt receives messages for ChattingScreen.kt and connects to the server utilizing the Retrofit library.

Opening the Starter Venture

Construct and run the starter mission. You’ll see the next display screen:

The screen of Chatty Bot

The app shows three tabs: Chat, Persona and Settings. The Chat tab is chosen by default. This tab display screen has a textual content subject with a button on the backside , like a chat window. On this tab, you’ll show message containers from the consumer and reply containers from the API service.

Click on the Persona tab. You’ll see 4 persona selections. Personas are methods of characterizing the chatbot’s responses: A journey information presents the responses in another way than, say, a motivational coach. For those who click on one among them, the field border turns cyan to point that that is your chatbot persona:

Persona screen

Do you see the “Journey Information in Tokyo” persona? This appears like an journey ready to occur! :-]

The final tab is the Settings tab, the place you’ll be able to enter your OpenAI key:

Settings screen

 

Making a Chat Messages Record

Add some messages to the chat display screen to simulate a chatbot. Right here, you’ll create a UI resembling fashionable chat functions like WhatsApp, Telegram or Fb Messenger. A chatting window UI usually consists of a listing of messages, a textual content subject for typing messages and a button to ship messages. The textual content subject and button have already been created. You’ll discover the container for the listing of chat messages within the ChattingScreen.kt file. Search for the road // TODO: Create dialog containers, which is inside an empty Field.

For every consumer message, create a Field that doesn’t take up your complete horizontal area and is aligned to the precise facet of the container. Then, add a Textual content contained in the Field. The Textual content will show the message the consumer varieties to ChatGPT. To point that this message comes from a consumer, add an icon on the precise facet of the message.

Add the next code under the road // TODO: Create dialog containers:

        
val content material = "Hiya, AI!"
Row(
  modifier = Modifier.fillMaxWidth(),
  horizontalArrangement = Association.Finish,
  verticalAlignment = Alignment.Backside
) {
    Field(
      modifier = Modifier
        .padding(16.dp)
        .fillMaxWidth(0.8f)
        .heightIn(120.dp)
        .background(Shade.LightGray, RoundedCornerShape(16.dp))
    ) {
      Textual content(
        textual content = content material,
        modifier = Modifier
          .align(Alignment.Heart)
          .padding(8.dp)
      )
    }
    Icon(
      imageVector = Icons.Default.Individual,
      contentDescription = "Person Icon"
    )
  }

Construct and run the mission, and you must see the next display screen:

User message

It seems to be good! The chat message field is appropriately proper aligned. The Row takes up the complete width, and the Field takes up solely 80 p.c of the width, as indicated by the .fillMaxWidth(0.8f) modifier. The one subject is that the chat message field is on the high, relatively than the underside, near the typing TextField. For those who’ve used a chat software, you’re accustomed to message containers popping up from the underside, however you’ll cowl that later.

Displaying the Chat Response

For now, you’ll need to refactor the code. Delete the code, and transfer it to the UserMessage.kt file. Open the UserMessage.kt file and add the next code under the road // TODO: Create the consumer dialog field:

  Row(
    modifier = Modifier.fillMaxWidth(),
    horizontalArrangement = Association.Finish,
    verticalAlignment = Alignment.Backside
  ) {
    Field(
      modifier = Modifier
        .padding(16.dp)
        .fillMaxWidth(0.8f)
        .heightIn(120.dp)
        .background(Shade.LightGray, RoundedCornerShape(16.dp))
    ) {
      Textual content(
        textual content = content material,
        modifier = Modifier
          .align(Alignment.Heart)
          .padding(8.dp)
      )
    }
    Icon(
      imageVector = Icons.Default.Individual,
      contentDescription = "Person Icon"
    )
  }

Then, within the ChattingScreen.kt file, under the road // TODO: Create dialog containers, add the next code:

UserMessage("Hiya, AI!")

For those who construct and run the mission once more, you see the identical display screen. Now, you need to add a chat message from ChatGPT. This chat message field must be aligned to the left of the chatting container. Make sure the field colour is totally different so customers can differentiate the messages extra simply. Don’t neglect so as to add an Icon on the left of the message.

Open the AIMessage.kt file and add the next code under the road // TODO: Create the AI dialog field:

  Row(
    modifier = Modifier.fillMaxWidth(),
    horizontalArrangement = Association.Begin,
    verticalAlignment = Alignment.Backside
  ) {
    Icon(
      imageVector = Icons.Default.Face,
      contentDescription = "AI Icon"
    )
    Field(
      modifier = Modifier
        .padding(16.dp)
        .fillMaxWidth(0.8f)
        .heightIn(120.dp)
        .background(Shade.DarkGray, RoundedCornerShape(16.dp))
    ) {
      Textual content(
        textual content = content material,
        modifier = Modifier
          .align(Alignment.Heart)
          .padding(8.dp),
        colour = Shade.White
      )
    }
  }
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