How to Build an App: Bad Gnome Gardening Guru Episode 3

Shawn: “Excellent. Let’s start by creating a simple interface in Swift that will be used to start the gardening journal conversation based on generative responses.”

ChatGPT responds:

To create a simple interface in Swift for your gardening journal conversation, follow these steps:

Create a new iOS project in Xcode:

Open Xcode and click “Create a new Xcode project.”
Select “App” under the iOS section and click “Next.”
Enter your app’s name, organization identifier, and select “Swift” as the language. Choose “UIKit” for the interface and “Storyboard” for the lifecycle. Click “Next” and select a location to save the project.

Design the user interface:

In the “Main.storyboard” file, delete the existing view controller and add a new “Navigation Controller” from the Object Library.
Click on the “Table View Controller” that is now embedded in the “Navigation Controller.” In the Attributes inspector, check “Is Initial View Controller.”
Add a “Table View Cell” to the “Table View” and set the cell’s identifier to “journalCell” in the Attributes inspector.
Add a “Bar Button Item” to the “Navigation Bar” on top of the “Table View Controller.” Change its system item type to “Add” in the Attributes inspector.
Finally, add a “View Controller” from the Object Library. This will be the screen for the ChatGPT-generated conversation.

Create custom view controller classes:

In the Project Navigator, click “File > New > File” and choose “Swift File.” Name it “JournalTableViewController” and click “Create.”
Repeat the process to create another Swift file named “ConversationViewController.”

Connect the view controllers to the storyboard:

In “Main.storyboard,” click the “Table View Controller” and go to the Identity inspector. Set the custom class to “JournalTableViewController.”
Click the “View Controller” and set its custom class to “ConversationViewController” in the Identity inspector.

Create a segue between the view controllers:

In “Main.storyboard,” control-drag from the “Add” button on the “JournalTableViewController” to the “ConversationViewController.” Select “show” as the type of segue.
Click the segue, go to the Attributes inspector, and set its identifier to “showConversation.”

Set up the table view data source and delegate in “JournalTableViewController.swift”:

import UIKit

class JournalTableViewController: UITableViewController {

    // Replace this with your actual data model
    var journalEntries: [String] = []

    override func viewDidLoad() {
        super.viewDidLoad()
    }

    // MARK: - Table view data source
    override func numberOfSections(in tableView: UITableView) -> Int {
        return 1
    }

    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return journalEntries.count
    }

    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "journalCell", for: indexPath)
        cell.textLabel?.text = journalEntries[indexPath.row]
        return cell
    }
}

Implement the generative response handling in “ConversationViewController.swift”:

“`swift
import UIKit

class ConversationViewController: UIViewController {

// Add a UILabel or UITextView to display the ChatGPT-generated response
@IBOutlet weak var responseLabel: UILabel!

override func viewDidLoad() {
    super.viewDidLoad()
    // Call the function to fetch a generative response from ChatGPT
    fetchGPTResponse()
}

func fetchGPTResponse() {
    // Implement the API call to your ChatGPT server here
    // Once you receive the response, update the responseLabel text
    responseLabel.text = "Your ChatGPT-generated

response.”

Apologies for the incomplete response. Here’s the completed version of the “ConversationViewController.swift” file:

import UIKit

class ConversationViewController: UIViewController {

    // Add a UILabel or UITextView to display the ChatGPT-generated response
    @IBOutlet weak var responseLabel: UILabel!

    override func viewDidLoad() {
        super.viewDidLoad()
        // Call the function to fetch a generative response from ChatGPT
        fetchGPTResponse()
    }

    func fetchGPTResponse() {
        // Implement the API call to your ChatGPT server here
        // Once you receive the response, update the responseLabel text
        responseLabel.text = "Your ChatGPT-generated response will appear here."

        // Example of an API call using URLSession
        let url = URL(string: "https://your-chatgpt-api-server.com/generate-response")!
        var request = URLRequest(url: url)
        request.httpMethod = "POST"
        // Add any necessary headers and parameters for your API call
        request.setValue("application/json", forHTTPHeaderField: "Content-Type")

        let task = URLSession.shared.dataTask(with: request) { data, response, error in
            guard let data = data, error == nil else {
                print("Error fetching response: \(error?.localizedDescription ?? "Unknown error")")
                return
            }

            do {
                // Parse the API response
                if let jsonResponse = try JSONSerialization.jsonObject(with: data, options: []) as? [String: Any] {
                    // Extract the generated text from the API response
                    if let generatedText = jsonResponse["generated_text"] as? String {
                        DispatchQueue.main.async {
                            self.responseLabel.text = generatedText
                        }
                    }
                }
            } catch {
                print("Error parsing response: \(error.localizedDescription)")
            }
        }

        task.resume()
    }
}

In this example, I’ve added a UILabel to display the ChatGPT-generated response and implemented a function to fetch the response from your ChatGPT API server. Please replace the placeholder URL and any necessary headers and parameters with your actual API details.

Stay tuned for more…

~ghost

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