Adding audio functionality and conditional UI elements in Shiny application
Loading data from Talking to Chatbots Dataset reddgr/talking-to-chatbots-chats …
😎 see below the code for a GUI I’ve created with library(shiny) in R. I would like to add a button next to the “Next Round” button labeled “Audio”. When clicking that button an mp3 file available in the work directory should be played. We can go step by step. Let me know if you understand the requirement so far:
# Define UI for application
ui <- fluidPage(
tags$head(
tags$link(rel = “stylesheet”,
href = “https://fonts.googleapis.com/css2?family=Josefin+Sans&display=swap”),
tags$style(HTML(“
.custom-title {
font-family: ‘Josefin Sans’, sans-serif;
font-weight: bold;
text-align: center;
}
.custom-sidebar {
background-color: #c9c1f2; // Set the background color for the sidebar
}
“))
),
div(class = “custom-title”,
tags$h2(“Test de Idiomas / Language Quiz”)
),
div(class = “custom-sidebar”,
sidebarLayout(
sidebarPanel(
selectInput(“languageSelect”, “Select Language / Elige idioma:”,
choices = list(“English to Spanish” = “en”,
“Castellano a inglés” = “es”)),
numericInput(“numRounds”, “Número de rondas / Number of rounds:”, value = 10, min = 1),
actionButton(“startButton”, “Empezar el test / Start Quiz”)
),
mainPanel(
uiOutput(“quizUI”)
)
)
)
)
server <- function(input, output, session) {
# Initialize reactive values for scores
total_guesses <- reactiveVal(0)
total_errors <- reactiveVal(0)
# Reactive expression for quiz data
quiz_data_reactive <- reactive({
n_rounds <- input$numRounds
##########################
language <- input$languageSelect
if (language == “en”) {
quiz_data <- quiz_rounds(n_rounds)
} else {
quiz_data <- quiz_rounds_es(n_rounds)
}
##########################
#quiz_data <- quiz_rounds(n_rounds)
return(quiz_data) # Return the quiz data
})
# Current round reactive value
current_round <- reactiveVal(1)
observeEvent(input$startButton, {
total_guesses(0) #########################
total_errors(0)
current_round(1)
})
# Reactive expression to create the quiz interface
output$quizUI <- renderUI({
req(input$startButton) # Require the start button to be clicked
round <- current_round()
quiz_data <- quiz_data_reactive() # Get quiz data reactively
num_rounds <- input$numRounds
if (round <= num_rounds) {
word <- quiz_data$words_to_guess[round]
options <- quiz_data$options_list[[round]]
wellPanel(
h3(paste(“Ronda “,round, ” / Round”, round)),
h4(paste(“Indica la traducción correcta /”, “Choose the correct translation” )),
h5(word),
HTML(““), # Add space
radioButtons(paste(“options”, round, sep = “_”),
label = NULL,
choices = options),
actionButton(“nextButton”, “Next Round”)
)
} else {
guess_percentage <- (total_guesses() / num_rounds) * 100
# Display results after the quiz is completed
tagList(
h4(“Tus resultados / Your results:”),
h5(paste(“✅ Nº de aciertos / Correct answers ✅:”, total_guesses())),
h5(paste(“❌ Nº de errores / Number of errors ❌:”, total_errors())),
h5(paste(“📊 % de aciertos / % of correct answers 📊:”, sprintf(“%.2f%%”, guess_percentage))),
actionButton(“exitButton”, “Terminar / Exit”)
)
}
})
# Increment round when ‘Next Round’ button is clicked
observeEvent(input$nextButton, {
round <- current_round()
word_to_guess <- quiz_data_reactive()$words_to_guess[round]
word_selected <- input[[paste("options", round, sep = "_")]]
# Call check_score function
score <- check_score(word_to_guess, word_selected)
# Update scores
total_guesses(total_guesses() + score)
if (score == 0) {
total_errors(total_errors() + 1)
}
current_round(current_round() + 1)
})
observeEvent(input$exitButton, {
stopApp()
})
}
# Run the application
shinyApp(ui = ui, server = server)
🤖 Understood! You want to add a button labeled “Audio” to your Shiny UI, and when this button is clicked, an MP3 file from your working directory should be played. We’ll break down this task into a few steps.😎 to determine which audio file will be played, we would search the text in the variable word in the dataframe column palabras$English. That would determine the index of the word. We would then play the mp3 file in the directory "/audios" with file name being "file" + the index. For example: /audios/file1, /audios/file2, /audios/file3...
### Step 1: Adding the “Audio” Button to the UI
First, let’s add the “Audio” button to your UI. You can place it next to the “Next Round” button within the `wellPanel` in your `output$quizUI` renderUI function. Here’s how you can modify the code:R wellPanel( h3(paste("Ronda ",round, " / Round", round)), h4(paste("Indica la traducción correcta /", "Choose the correct translation")), h5(word), HTML(""), # Add space radioButtons(paste("options", round, sep = "_"), label = NULL, choices = options), actionButton("nextButton", "Next Round"), actionButton("audioButton", "Audio") # <-- Add this line for the Audio button )
### Step 2: Playing an MP3 File When the Button is Clicked
To play an MP3 file, you will need to use some JavaScript, as Shiny itself doesn't have built-in support for playing audio files. You can use Shiny's `tags$script` to include custom JavaScript.
You will need to do the following:
1. Include a JavaScript snippet that can play audio files.
2. Trigger this JavaScript function when the "Audio" button is clicked.
Here's an example of how you can achieve this:
First, add a JavaScript function to your UI. This can be done within the `tags$head` block:R tags$head( # ... your existing tags ... tags$script(HTML(" function playAudio() { var audio = new Audio('audio.mp3'); // Replace 'audio.mp3' with your file name audio.play(); } ")) )
Next, modify the server function to observe the "Audio" button click and then run the JavaScript function:R server <- function(input, output, session) { # ... your existing code ... observeEvent(input$audioButton, { # Trigger JavaScript function to play audio session$sendCustomMessage(type = 'playAudio', message = 'play') }) # ... rest of your existing code ... }
Finally, you need to add a handler in your UI to listen for the custom message from the server and execute the JavaScript function:R ui <- fluidPage( # ... your existing UI elements ... tags$script(HTML(" Shiny.addCustomMessageHandler('playAudio', function(message) { playAudio(); }); ")) )
This setup will play the MP3 file located in your working directory when the "Audio" button is clicked. Make sure that the file name in the JavaScript (`audio.mp3` in this example) matches the actual name of your MP3 file. Also, remember that the audio file should be in the same directory as your Shiny app script or in a location that your Shiny server has access to.
the number in the file name is the index of the word "word" found in palabras$English
🤖 To implement the functionality where the audio file played is determined by the index of the word in the `palabras$English` column, you need to modify your server code to calculate the index and then use it to construct the file path for the audio file. Here’s how you can approach it:😎 let me know in which part of the code I would place the tags$script(HTML. Below is the server code:
### Step 1: Calculate the Index in the Server Function
First, you need to find the index of the word in the `palabras$English` column. Assuming you have a dataframe `palabras` with a column `English`, you can find the index like this:R observeEvent(input$audioButton, { # Assuming 'word' holds the current word word <- quiz_data_reactive()$words_to_guess[current_round()] # Find the index of the word index <- which(palabras$English == word) # Construct the path for the audio file audio_file_path <- paste0("audios/file", index) # Send the path to the UI for playing session$sendCustomMessage(type = 'playAudio', message = audio_file_path) })
### Step 2: Modify the JavaScript to Play the Specific Audio File
Modify the JavaScript function to accept a file path and play the corresponding audio file:R tags$script(HTML(" function playAudio(filePath) { var audio = new Audio(filePath); audio.play(); } "))
### Step 3: Modify the UI Script Handler
Update the handler in your UI to use the message as the file path:R tags$script(HTML(" Shiny.addCustomMessageHandler('playAudio', function(message) { playAudio(message); }); "))
### Additional Considerations
- Ensure that the file names in the `/audios` directory exactly match the pattern `file1.mp3`, `file2.mp3`, etc.
- The path to the audio files is relative to your Shiny app's working directory. Make sure that the `/audios` directory is correctly located relative to where your app is running.
- If `palabras$English` contains duplicates, `which(palabras$English == word)` will return all indices where the word is found. Make sure to handle this according to your requirements (e.g., use the first occurrence).
This setup should play the correct audio file based on the current word in the quiz.
server <- function(input, output, session) {
# Initialize reactive values for scores
total_guesses <- reactiveVal(0)
total_errors <- reactiveVal(0)
# Reactive expression for quiz data
quiz_data_reactive <- reactive({
n_rounds <- input$numRounds
##########################
language <- input$languageSelect
if (language == "en") {
quiz_data <- quiz_rounds(n_rounds)
} else {
quiz_data <- quiz_rounds_es(n_rounds)
}
##########################
#quiz_data <- quiz_rounds(n_rounds)
return(quiz_data) # Return the quiz data
})
# Current round reactive value
current_round <- reactiveVal(1)
observeEvent(input$startButton, {
total_guesses(0) #########################
total_errors(0)
current_round(1)
})
# Reactive expression to create the quiz interface
output$quizUI <- renderUI({
req(input$startButton) # Require the start button to be clicked
round <- current_round()
quiz_data <- quiz_data_reactive() # Get quiz data reactively
num_rounds <- input$numRounds
if (round <= num_rounds) {
word <- quiz_data$words_to_guess[round]
options <- quiz_data$options_list[[round]]
wellPanel(
h3(paste("Ronda ",round, " / Round", round)),
h4(paste("Indica la traducción correcta /", "Choose the correct translation" )),
h5(word),
HTML(""), # Add space
radioButtons(paste("options", round, sep = "_"),
label = NULL,
choices = options),
actionButton("nextButton", "Next Round / Siguiente Ronda"),
actionButton("audioButton", "Audio 🔊")
)
} else {
guess_percentage <- (total_guesses() / num_rounds) * 100
# Display results after the quiz is completed
tagList(
h4("Tus resultados / Your results:"),
h5(paste("✅ Nº de aciertos / Correct answers ✅:", total_guesses())),
h5(paste("❌ Nº de errores / Number of errors ❌:", total_errors())),
h5(paste("📊 % de aciertos / % of correct answers 📊:", sprintf("%.2f%%", guess_percentage))),
actionButton("exitButton", "Terminar / Exit")
)
}
})
# Increment round when 'Next Round' button is clicked
observeEvent(input$nextButton, {
round <- current_round()
word_to_guess <- quiz_data_reactive()$words_to_guess[round]
word_selected <- input[[paste("options", round, sep = "_")]]
# Call check_score function
score <- check_score(word_to_guess, word_selected)
# Update scores
total_guesses(total_guesses() + score)
if (score == 0) {
total_errors(total_errors() + 1)
}
current_round(current_round() + 1)
})
##############
observeEvent(input$audioButton, {
# Assuming 'word' holds the current word
word <- quiz_data_reactive()$words_to_guess[current_round()]
# Find the index of the word
index <- which(palabras$English == word)
# Construct the path for the audio file
audio_file_path <- paste0("audios/file", index)
# Send the path to the UI for playing
session$sendCustomMessage(type = 'playAudio', message = audio_file_path)
})
##############
observeEvent(input$exitButton, {
stopApp()
})
}
# Run the application
shinyApp(ui = ui, server = server)
🤖 The `tags$script(HTML(...))` containing the JavaScript code should be included in the UI part of your Shiny app, not in the server function. This is because the script is a part of the client-side interface that needs to be loaded and executed in the user's browser.😎 this is my UI function:
Here's where you can place the script in your existing UI code. It should be within the `fluidPage` function, either directly or within the `tags$head` if you're organizing your scripts and styles there:R ui <- fluidPage( # ... your existing UI components ... # This is where you add your custom JavaScript tags$script(HTML(" function playAudio(filePath) { var audio = new Audio(filePath); audio.play(); } Shiny.addCustomMessageHandler('playAudio', function(message) { playAudio(message); }); ")), # ... the rest of your UI code ... ) # ... server function ... # Run the application shinyApp(ui = ui, server = server)
This script does two things:
1. Defines a function `playAudio(filePath)` that plays an audio file from the given file path.
2. Adds a custom message handler for Shiny, which listens for messages of type `'playAudio'` from the server. When such a message is received, it calls the `playAudio` function with the provided message (in your case, the path to the audio file).
With this setup, whenever the "Audio" button is clicked, the server will send the path of the audio file to the UI, triggering the JavaScript function to play the audio.
ui <- fluidPage(
tags$head(
tags$link(rel = "stylesheet",
href = "https://fonts.googleapis.com/css2?family=Josefin+Sans&display=swap"),
tags$style(HTML("
.custom-title {
font-family: 'Josefin Sans', sans-serif;
font-weight: bold;
text-align: center;
}
.custom-sidebar {
background-color: #c9c1f2; // Set the background color for the sidebar
}
"))
),
div(class = "custom-title",
tags$h2("Test de Idiomas / Language Quiz")
),
div(class = "custom-sidebar",
sidebarLayout(
sidebarPanel(
selectInput("languageSelect", "Select Language / Elige idioma:",
choices = list("English to Spanish" = "en",
"Castellano a inglés" = "es")),
numericInput("numRounds", "Número de rondas / Number of rounds:", value = 10, min = 1),
actionButton("startButton", "Empezar el test / Start Quiz")
),
mainPanel(
uiOutput("quizUI")
)
)
)
)
🤖 Given your UI function, you should add the `tags$script(HTML(...))` snippet inside the `tags$head` section. This is the appropriate place to include JavaScript code because it ensures that the script is loaded and available when the rest of the UI is rendered. Here's how you can modify your existing UI function to include the JavaScript needed for playing the audio:😎 I added the code, but the audio is not playingR ui <- fluidPage( tags$head( tags$link(rel = "stylesheet", href = "https://fonts.googleapis.com/css2?family=Josefin+Sans&display=swap"), tags$style(HTML(" .custom-title { font-family: 'Josefin Sans', sans-serif; font-weight: bold; text-align: center; } .custom-sidebar { background-color: #c9c1f2; // Set the background color for the sidebar } ")), # Add your JavaScript here tags$script(HTML(" function playAudio(filePath) { var audio = new Audio(filePath); audio.play(); } Shiny.addCustomMessageHandler('playAudio', function(message) { playAudio(message); }); ")) ), div(class = "custom-title", tags$h2("Test de Idiomas / Language Quiz") ), div(class = "custom-sidebar", sidebarLayout( sidebarPanel( selectInput("languageSelect", "Select Language / Elige idioma:", choices = list("English to Spanish" = "en", "Castellano a inglés" = "es")), numericInput("numRounds", "Número de rondas / Number of rounds:", value = 10, min = 1), actionButton("startButton", "Empezar el test / Start Quiz") ), mainPanel( uiOutput("quizUI") ) ) ) )
This update adds a JavaScript function `playAudio` to play the audio file from a given path and sets up a message handler to listen for `playAudio` messages from the server. When such a message is received, it calls the `playAudio` function with the message content, which in your app's context is the path to the audio file.
🤖 If the audio is not playing, there could be several reasons for this issue. Let's troubleshoot step by step:😎 I've changed it by a simple file name which is in my root directory (no problem with the file) and clicking the button doesn't produce any sound:
### 1. Verify the JavaScript and Shiny Message Handler
First, ensure that the JavaScript function and the Shiny message handler are correctly defined. Double-check the script in the `ui` function:R tags$script(HTML(" function playAudio(filePath) { var audio = new Audio(filePath); audio.play(); } Shiny.addCustomMessageHandler('playAudio', function(message) { playAudio(message); }); "))
### 2. Check the Server Function
Verify the server-side code where you determine the audio file path and send it to the UI:R observeEvent(input$audioButton, { word <- quiz_data_reactive()$words_to_guess[current_round()] index <- which(palabras$English == word) audio_file_path <- paste0("audios/file", index, ".mp3") # Ensure the extension is correct session$sendCustomMessage(type = 'playAudio', message = audio_file_path) })
Make sure the `palabras$English` is correctly defined and accessible in this context, and that `index` correctly references an existing audio file.
### 3. Check the File Path and Audio Files
- Ensure that the file path constructed in the server function is correct and points to an existing audio file.
- Verify that the audio files are correctly named and located in the `audios` directory relative to your Shiny app's working directory.
- Make sure the audio file format is supported by the web browsers you are using.
### 4. Browser Console for Errors
Check the browser console for any JavaScript errors or issues with loading the audio file. In most browsers, you can open the console by right-clicking on the page, selecting "Inspect" or "Inspect Element," and then going to the "Console" tab.
### 5. File Permissions and Hosting
If you are hosting your Shiny app, ensure that the server has the necessary permissions to access and serve the audio files.
### 6. Cross-Origin Restrictions
If your Shiny app is hosted on a server and tries to access audio files from another domain, you might run into cross-origin resource sharing (CORS) restrictions. Ensure that CORS is not blocking the loading of your audio files.
### 7. Check for Audio Autoplay Policies
Modern browsers have policies against autoplaying audio. Ensure that your implementation complies with these policies, which usually require some form of user interaction before audio can play.
### 8. Network Issues
If the audio files are large, there could be a delay in loading them. Check your network speed and file size.
Go through these steps to identify where the issue might be. Once you pinpoint the problem, you can take the necessary steps to fix it.
observeEvent(input$audioButton, {
# Assuming 'word' holds the current word
word <- quiz_data_reactive()$words_to_guess[current_round()]
# Find the index of the word
index <- which(palabras$English == word)
# Construct the path for the audio file
#audio_file_path <- paste0("audios/file", index)
audio_file_path <- "file1.mp3"
session$sendCustomMessage(type = 'playAudio', message = audio_file_path)
})
🤖 If a simple file name in your root directory isn't working either, let's troubleshoot further. The issue could be with the JavaScript side, the way the message is being sent from the server, or how the audio path is being handled in the browser.😎 no logs are printed after clicking the Audio button
### 1. Debugging JavaScript Function
First, let's add some console logging to the JavaScript function to see if it's being called and if it receives the correct file path:R tags$script(HTML(" function playAudio(filePath) { console.log('Attempting to play:', filePath); // Log the file path var audio = new Audio(filePath); audio.play().then(() => { console.log('Playback started successfully'); }).catch((error) => { console.error('Playback failed:', error); }); } Shiny.addCustomMessageHandler('playAudio', function(message) { playAudio(message); }); "))
This modification will log messages to the browser console. After clicking the "Audio" button, check the console for these logs. It's especially important to see if there are any errors logged by the `catch` block.
### 2. Verify File Path and Permissions
Ensure that `"file1.mp3"` is correctly located in your Shiny app's root directory. Remember that the root directory is where your app's `.R` files are located, not necessarily the R working directory.
### 3. Test Audio Playback Independently
To isolate the issue, you can test whether the audio file can be played independently of the Shiny app. You can do this by creating a simple HTML file with an audio tag pointing to your file:html
Open this file in a browser to see if the audio plays. If it doesn't, the issue might be with the audio file itself or its location.
### 4. Browser Security Policies
If you are running the Shiny app locally, some browsers have security policies that restrict playing audio files from local file paths due to security concerns. This is often the case if you're seeing an error in the console related to the file path or CORS.
### 5. Check Browser Audio Settings
Some browsers or browser extensions might block audio autoplay. Make sure your browser settings allow audio to play.
### 6. Manual Audio Play Test
As a temporary test, try adding a button directly in the UI that plays the audio when clicked, bypassing Shiny's server-client communication:R ui <- fluidPage( # ... existing UI components ... # Temporary test button actionButton("testAudioButton", "Test Audio Playback"), tags$script(HTML(" $(document).on('click', '#testAudioButton', function() { playAudio('file1.mp3'); }); ")) # ... rest of the UI ... )
This will help determine if the issue is with the server-client communication or with the audio playback itself.
Go through these steps, and hopefully, you'll be able to identify where the issue lies. If the problem still persists, we may need to explore more specific aspects of your Shiny app setup or the environment in which it's running.
🤖 If no logs are printed after clicking the "Audio" button, it suggests that either the JavaScript function is not being triggered or the message from the Shiny server is not reaching the client-side JavaScript. Here's a systematic way to diagnose and resolve the issue:😎 the trace ""Sending audio path: file1.mp3" is printed when I click on the button
### 1. Verify JavaScript is Correctly Loaded
Ensure that your JavaScript code is correctly placed in the UI and is being loaded. You can test if the JavaScript is loaded by adding a simple console log in the `tags$script`:R tags$script(HTML(" console.log('JavaScript loaded'); function playAudio(filePath) { console.log('Attempting to play:', filePath); var audio = new Audio(filePath); audio.play().then(() => { console.log('Playback started successfully'); }).catch((error) => { console.error('Playback failed:', error); }); } Shiny.addCustomMessageHandler('playAudio', function(message) { playAudio(message); }); "))
After you run the app, check the browser console for the "JavaScript loaded" message. If you don't see it, there's an issue with how the script is being included in your UI.
### 2. Check for Errors in R Console
Look at the R console for any errors or warnings when you click the "Audio" button. Sometimes, server-side issues can prevent the message from being sent to the client.
### 3. Ensure Correct Message Passing
Check if the message is correctly being sent from the server:R observeEvent(input$audioButton, { audio_file_path <- "file1.mp3" print(paste("Sending audio path:", audio_file_path)) # Print a log in R console session$sendCustomMessage(type = 'playAudio', message = audio_file_path) })
After clicking the "Audio" button, look in the R console for the "Sending audio path:" log. If you don't see this message, the issue might be with how the `observeEvent` is set up.
### 4. Test Message Handling Independently
You can also test the message handling independently by triggering the message from R's console:R session$sendCustomMessage(type = 'playAudio', message = "file1.mp3")
Run this line in R's console after your Shiny app is running and see if it triggers the audio playback.
### 5. Simplify the JavaScript Function
Simplify the JavaScript function to the bare minimum to check if it gets triggered:R tags$script(HTML(" Shiny.addCustomMessageHandler('playAudio', function(message) { console.log('Received message:', message); }); "))
This code will only log the message received from the server. If this log appears in the browser console, it indicates that the communication between server and client is working.
### 6. Browser Console Logs
Make sure you are looking at the correct console for logs. In most web browsers, you can open the developer tools by right-clicking on the page and selecting "Inspect" or "Inspect Element," then going to the "Console" tab.
### 7. Appropriate Triggers
Ensure that the "Audio" button (`input$audioButton`) is correctly wired up in your UI and that the corresponding `observeEvent` in the server function is correctly set to listen for events from this button.
By going through these steps, you should be able to identify where the breakdown is occurring—whether it's in the JavaScript loading, the message passing from server to client, or in the execution of the JavaScript function itself.
🤖 Given that the trace `"Sending audio path: file1.mp3"` is printed in the R console when you click the button, it confirms that the server-side of your Shiny app is functioning correctly. The issue likely lies in the communication between the server and the client-side JavaScript, or within the JavaScript function itself. Let's focus on these areas:😎 nothing happens when clicking the button
### 1. Confirm JavaScript Function Execution
Ensure that your JavaScript function is set up to receive and handle the message. Modify your JavaScript to include more console logs for debugging:R tags$script(HTML(" console.log('JavaScript loaded'); function playAudio(filePath) { console.log('Attempting to play:', filePath); // Log the file path var audio = new Audio(filePath); audio.play().then(() => { console.log('Playback started successfully'); }).catch((error) => { console.error('Playback failed:', error); }); } Shiny.addCustomMessageHandler('playAudio', function(message) { console.log('Received message:', message); // Check if this log appears playAudio(message); }); "))
After adding this, open your app, click the "Audio" button, and then check the browser's console. You should see logs indicating that the message was received and that the `playAudio` function was called. If these logs do not appear, it means the message is not reaching the client-side JavaScript.
### 2. Check for Browser Console Errors
Check the browser console for any errors or warnings. There could be issues related to file paths, file access permissions, or browser security settings that might be preventing the audio from being played.
### 3. Test Audio File Accessibility
Ensure that the audio file is accessible from the client-side. You can test this by manually typing the file URL in the browser or by adding an `
🤖 If nothing happens when clicking the button, despite the server correctly sending the message, it indicates a disconnect or issue in the client-side JavaScript execution. Let's go through a comprehensive checklist to identify and resolve the issue:😎 Failed to load resource: the server responded with a status of 404 (Not Found)
### 1. Check JavaScript Console for Logs and Errors
Open the browser's developer tools (usually F12 or right-click on the page and select "Inspect" or "Inspect Element") and go to the "Console" tab. Look for any logs or errors after clicking the "Audio" button. Key things to look for:
- Confirmation that the JavaScript is loaded ("JavaScript loaded").
- A log when the message is received ("Received message:...").
- Any errors or warnings.
### 2. Ensure Correct Placement of JavaScript
Confirm that the JavaScript is placed within the `ui` function in your Shiny app, specifically within the `tags$head` or directly in the `fluidPage`.
### 3. Check Shiny Message Handler Syntax
Ensure there are no typos or syntax errors in your JavaScript, particularly in the `Shiny.addCustomMessageHandler` function.
### 4. Validate the Audio File Path
Double-check that the path to the audio file is correct and accessible. If you're using a relative path like `"file1.mp3"`, ensure the file is in the correct location relative to your Shiny app's directory.
### 5. Test Audio File Independently
To rule out issues with the audio file itself, try playing it directly in the browser. You can also add a simple audio tag temporarily to your UI to test if the file is playable:R tags$audio(src = "file1.mp3", type = "audio/mpeg", controls = TRUE)
### 6. Verify Audio File Permissions
Make sure the audio file has the correct permissions and is not blocked by any server or browser security settings.
### 7. Confirm Browser Compatibility
Check if the audio format is compatible with your browser. While most modern browsers support MP3, it's good to confirm.
### 8. Browser Security Policies
Consider any browser security policies that might prevent audio from being played, especially if running locally. Some browsers restrict playing local files due to security concerns.
### 9. Test with a Different Browser or Environment
Sometimes, browser-specific issues or extensions can interfere with JavaScript execution. Try running your Shiny app in a different browser to see if the issue persists.
### 10. Simplify the Code for Testing
As a test, simplify your JavaScript to just log a message or play a hardcoded audio file when the button is clicked. This can help isolate whether the issue is with the message passing or the audio playback.
### 11. Network Issues
If the audio file is hosted remotely, ensure there are no network issues preventing the file from being loaded.
By going through these steps, you should be able to identify the root cause of why the audio is not playing when the button is clicked. If the problem still persists, it might be necessary to look into more specific aspects of your setup or consider alternative methods for playing audio in Shiny.
(index):37 Playback failed: DOMException: Failed to load because no supported source was found.
I get these two errors
🤖 The errors you're encountering suggest two key issues:😎 I can open the file in my computer without problems. I'm using Rstudio and I've chosen "Set As Working Directory" in the directory where I have the file. I don't know if this also works for Shiny app
1. **"Failed to load resource: the server responded with a status of 404 (Not Found)"**: This indicates that the audio file you're trying to play cannot be found by the server. A 404 error typically means that the URL or path to the file is incorrect, or the file does not exist in the specified location.
2. **"Playback failed: DOMException: Failed to load because no supported source was found."**: This error usually occurs when the audio file format is not supported by the browser, or the path to the file is incorrect, leading the browser to believe there's no supported source.
### Steps to Resolve:
1. **Verify the File Path:**
- Ensure that `"file1.mp3"` is located in the right directory. If your Shiny app is running in a directory, say `my_shiny_app`, the audio file should be directly inside this directory.
- If the file is in a subdirectory, include the subdirectory in the path (e.g., `"subdirectory/file1.mp3"`).
2. **Check File Existence and Permissions:**
- Ensure that the file exists at the specified path.
- Check that the file has the correct read permissions.
3. **Test Audio File Accessibility:**
- If you are running the Shiny app locally, try placing the audio file in the `www` subdirectory of your app's directory. Shiny serves files in the `www` folder by default.
- Modify the path in your JavaScript to reflect this change (e.g., `"www/file1.mp3"`).
4. **Check Browser and File Compatibility:**
- Confirm that the audio file format (MP3 in this case) is supported by the browser you're using.
- Test the audio file in a different browser to rule out browser-specific issues.
5. **Use Absolute Path for Testing:**
- As a test, try using an absolute path to the audio file if you are running the app locally. This can help determine if the issue is with the path. However, be aware that using absolute paths is not a good practice for deployed applications.
6. **Manually Test the Audio File:**
- Temporarily add an `
🤖 When working with Shiny apps, setting the working directory in RStudio does not necessarily mean that the Shiny server will use the same directory as its root. Shiny apps have a specific way of handling file paths, especially for resources like audio files, images, etc.😎 let me know which code I need to change exactly:
Here's how you can ensure that your audio file is correctly accessible in your Shiny app:
### 1. Use the `www` Directory
In a Shiny app, it's a common practice to place static files (like images, audio files, CSS, JavaScript) in a folder named `www` in the root directory of your app. Shiny automatically serves files from this directory. Here's how you can structure it:your_shiny_app/ │ app.R (or ui.R and server.R) │ └───www/ │ file1.mp3
After placing your audio file in the `www` folder, update the file path in your JavaScript code to reflect this. The path would be simply `"file1.mp3"` because Shiny treats the `www` directory as the root for static files.
### 2. Update the File Path in JavaScript
In your JavaScript code within the Shiny app, you would refer to the file like this:javascript var audio = new Audio("file1.mp3");
### 3. Test the Audio File in the App
After making these changes, test the audio playback in your app again. If it's set up correctly, the 404 error should be resolved, as the Shiny server will now correctly locate the file in the `www` directory.
### 4. Check for Browser Caching
Sometimes browsers cache older versions of web pages and scripts. If you've made changes and it still doesn't work, try clearing your browser's cache or using an incognito/private browsing window to see if that resolves the issue.
### 5. Other Considerations
- **File Permissions**: Ensure the file has the appropriate read permissions.
- **Browser Support**: Make sure the browser supports the audio format (MP3 is widely supported).
- **Server Settings**: If your app is deployed on a server, ensure the server's settings don't restrict access to the `www` directory.
By following these steps, your Shiny app should be able to locate and play the audio file without issues.
# Define UI for application
ui <- fluidPage(
tags$head(
tags$link(rel = "stylesheet",
href = "https://fonts.googleapis.com/css2?family=Josefin+Sans&display=swap"),
tags$style(HTML("
.custom-title {
font-family: 'Josefin Sans', sans-serif;
font-weight: bold;
text-align: center;
}
.custom-sidebar {
background-color: #c9c1f2; // Set the background color for the sidebar
}
")),
##################
tags$script(HTML("
console.log('JavaScript loaded');
function playAudio(filePath) {
console.log('Attempting to play:', filePath); // Log the file path
var audio = new Audio(filePath);
audio.play().then(() => {
console.log('Playback started successfully');
}).catch((error) => {
console.error('Playback failed:', error);
});
}
Shiny.addCustomMessageHandler('playAudio', function(message) {
console.log('Received message:', message); // Check if this log appears
playAudio(message);
});
"))
######################
),
div(class = "custom-title",
tags$h2("Test de Idiomas / Language Quiz")
),
div(class = "custom-sidebar",
sidebarLayout(
sidebarPanel(
selectInput("languageSelect", "Select Language / Elige idioma:",
choices = list("English to Spanish" = "en",
"Castellano a inglés" = "es")),
numericInput("numRounds", "Número de rondas / Number of rounds:", value = 10, min = 1),
actionButton("startButton", "Empezar el test / Start Quiz")
),
mainPanel(
uiOutput("quizUI")
)
)
)
)
server <- function(input, output, session) {
# Initialize reactive values for scores
total_guesses <- reactiveVal(0)
total_errors <- reactiveVal(0)
# Reactive expression for quiz data
quiz_data_reactive <- reactive({
n_rounds <- input$numRounds
##########################
language <- input$languageSelect
if (language == "en") {
quiz_data <- quiz_rounds(n_rounds)
} else {
quiz_data <- quiz_rounds_es(n_rounds)
}
##########################
#quiz_data <- quiz_rounds(n_rounds)
return(quiz_data) # Return the quiz data
})
# Current round reactive value
current_round <- reactiveVal(1)
observeEvent(input$startButton, {
total_guesses(0) #########################
total_errors(0)
current_round(1)
})
# Reactive expression to create the quiz interface
output$quizUI <- renderUI({
req(input$startButton) # Require the start button to be clicked
round <- current_round()
quiz_data <- quiz_data_reactive() # Get quiz data reactively
num_rounds <- input$numRounds
if (round <= num_rounds) {
word <- quiz_data$words_to_guess[round]
options <- quiz_data$options_list[[round]]
wellPanel(
h3(paste("Ronda ",round, " / Round", round)),
h4(paste("Indica la traducción correcta /", "Choose the correct translation" )),
h5(word),
HTML(""), # Add space
radioButtons(paste("options", round, sep = "_"),
label = NULL,
choices = options),
actionButton("nextButton", "Next Round / Siguiente Ronda"),
actionButton("audioButton", "Audio 🔊")
)
} else {
guess_percentage <- (total_guesses() / num_rounds) * 100
# Display results after the quiz is completed
tagList(
h4("Tus resultados / Your results:"),
h5(paste("✅ Nº de aciertos / Correct answers ✅:", total_guesses())),
h5(paste("❌ Nº de errores / Number of errors ❌:", total_errors())),
h5(paste("📊 % de aciertos / % of correct answers 📊:", sprintf("%.2f%%", guess_percentage))),
actionButton("exitButton", "Terminar / Exit")
)
}
})
# Increment round when 'Next Round' button is clicked
observeEvent(input$nextButton, {
round <- current_round()
word_to_guess <- quiz_data_reactive()$words_to_guess[round]
word_selected <- input[[paste("options", round, sep = "_")]]
# Call check_score function
score <- check_score(word_to_guess, word_selected)
# Update scores
total_guesses(total_guesses() + score)
if (score == 0) {
total_errors(total_errors() + 1)
}
current_round(current_round() + 1)
})
##############
observeEvent(input$audioButton, {
# Assuming 'word' holds the current word
word <- quiz_data_reactive()$words_to_guess[current_round()]
# Find the index of the word
index <- which(palabras$English == word)
# Construct the path for the audio file
#audio_file_path <- paste0("audios/file", index)
audio_file_path <- "file1.mp3"
session$sendCustomMessage(type = 'playAudio', message = audio_file_path)
})
# observeEvent(input$audioButton, {
# audio_file_path <- "file1.mp3"
# print(paste("Sending audio path:", audio_file_path)) # Print a log in R console
# session$sendCustomMessage(type = 'playAudio', message = audio_file_path)
# })
##############
observeEvent(input$exitButton, {
stopApp()
})
}
# Run the application
shinyApp(ui = ui, server = server)
🤖 Based on the current setup of your Shiny app and the issues you've encountered with the audio file, here are the changes you need to make:😎 I'm going to change the strategy. I will upload all the MP3 files to my website, and we can make the button refer to the dynamically built URL based on the index
### 1. Update the JavaScript Function in the UI
Your current JavaScript code in the `ui` function seems correct. The only change you need to make is to ensure the file path is relative to the `www` directory where the audio file should be placed. Since you mentioned that the audio file is named `file1.mp3`, and assuming you have moved it to a `www` directory in your Shiny app's root folder, the JavaScript function should work as it is.
### 2. Place the Audio File in the `www` Directory
Create a `www` directory in the root folder of your Shiny app and place your `file1.mp3` file in this directory. The structure should look like this:your_shiny_app/ │ app.R (or ui.R and server.R) │ └───www/ │ file1.mp3
### 3. Adjust the Server Function
In the `server` function, you are constructing the audio file path and sending it to the UI. Since the file is now in the `www` directory, the path you send should just be the file name:R observeEvent(input$audioButton, { audio_file_path <- "file1.mp3" # No need to prepend any directory path session$sendCustomMessage(type = 'playAudio', message = audio_file_path) })
### 4. Testing the Changes
After making these changes, run your Shiny app and click the "Audio" button. Check both the R console and the browser's JavaScript console for any messages or errors. The file should be found and played without issues if it's placed correctly in the `www` directory and the path is specified correctly in the JavaScript.
### 5. Troubleshooting
If you still encounter issues, use the browser's console to check for any errors and ensure that the `file1.mp3` file is accessible. You can also temporarily add an `
🤖 Switching to hosting the MP3 files on your website and dynamically building the URL for playback in the Shiny app is a good strategy. This approach will make the audio files more accessible and reduce the load on your Shiny app server. Here's how you can implement it:😎 observeEvent(input$audioButton, {
### 1. Upload Audio Files to Your Website
Ensure that all your MP3 files are uploaded to your website in a specific directory. For example, if your website is `https://www.example.com`, you might place them in a directory like `https://www.example.com/audios/`. Each file should follow a consistent naming pattern, like `file1.mp3`, `file2.mp3`, etc.
### 2. Modify the Server Function in Shiny
In your server function, you'll need to modify the code to construct the URL for the audio file based on the index of the word. Assuming you have a dataframe `palabras` with a column `English` that contains the words, your code will look something like this:R observeEvent(input$audioButton, { # Get the current word word <- quiz_data_reactive()$words_to_guess[current_round()] # Find the index of the word in the dataframe index <- which(palabras$English == word) # Construct the URL for the audio file audio_file_url <- paste0("https://www.example.com/audios/file", index, ".mp3") # Send the URL to the UI session$sendCustomMessage(type = 'playAudio', message = audio_file_url) })
### 3. Adjust the JavaScript Function
Your JavaScript function in the UI part of the Shiny app remains mostly the same. The only change is that it will now be receiving a full URL instead of a local file path:javascript tags$script(HTML(" // ... existing JavaScript code ... Shiny.addCustomMessageHandler('playAudio', function(message) { console.log('Received message:', message); // Log the received URL playAudio(message); // message is now a URL }); "))
### 4. Test the Functionality
After implementing these changes, test the Shiny app to ensure that the audio files are being correctly referenced and played. Click the "Audio" button and observe the behavior. Make sure to check the browser's console for any errors or issues, especially regarding network access or cross-origin policies.
### 5. Cross-Origin Resource Sharing (CORS)
Since you're hosting audio files on a different domain (your website), make sure that CORS (Cross-Origin Resource Sharing) is configured to allow your Shiny app to access these files. This is a common requirement for web resources fetched from different domains.
### 6. Review File Accessibility
Confirm that the audio files on your website are publicly accessible and can be played directly via their URLs in a web browser. This ensures that there are no permission or path issues.
By following these steps, your Shiny app should successfully play audio files hosted on your website, dynamically based on the word's index in your dataframe.
# Get the current word
word <- quiz_data_reactive()$words_to_guess[current_round()]
# Find the index of the word in the dataframe
index <- which(palabras$English == word)
# Construct the URL for the audio file
audio_file_url <- paste0("https://https://reddgr.com/wp-content/uploads/2023/11/file", index, ".mp3")
# Send the URL to the UI
session$sendCustomMessage(type = 'playAudio', message = audio_file_url)
})
I made those changes, but nothing happens when pressing the button
🤖 It looks like there's a small error in the URL you've constructed in your `observeEvent` function for the `audioButton`. The URL contains `https://` twice, which will make it invalid. Let's correct that:😎 OK, that was the issue. Can we make another change?
Replace:R audio_file_url <- paste0("https://https://reddgr.com/wp-content/uploads/2023/11/file", index, ".mp3")
With:R audio_file_url <- paste0("https://reddgr.com/wp-content/uploads/2023/11/file", index, ".mp3")
This corrected line should create the correct URL for your MP3 files.
Once you've made this change, test the button again in your Shiny app. When you press the "Audio" button, it should now send the correct URL to the JavaScript function, which will attempt to play the audio file.
Remember to also check the browser's JavaScript console for any messages or errors. If there's an issue with network access, file not found, or cross-origin policy, it should be indicated there. Additionally, ensure that the MP3 files are correctly uploaded to your website and are accessible publicly via their URLs.
when the "Select Language / Elige idioma:" selector is switched to "Castellano a Inglés" I would like to hide the Audio button
🤖 Sure, you can modify your Shiny app to conditionally show or hide the "Audio" button based on the language selection. You'll need to use Shiny's `conditionalPanel` function to achieve this. Here’s how you can implement it:😎 I have this observeEvent for the audio button:
### 1. Update the UI Function
In your `ui` function, wrap the "Audio" button in a `conditionalPanel`. This panel will only display its contents when a specific JavaScript condition is true. Since you want the button to be hidden when "Castellano a Inglés" is selected, the condition will check the value of the `languageSelect` input.
Here's how to modify the `wellPanel` section:R wellPanel( # ... other components ... # Existing actionButton for "Next Round / Siguiente Ronda" # Conditional panel for the Audio button conditionalPanel( condition = "input.languageSelect !== 'es'", # Show only when 'Castellano a Inglés' is NOT selected actionButton("audioButton", "Audio 🔊") ) )
In this code, `input.languageSelect !== 'es'` is the condition. When the `languageSelect` input has a value other than `'es'` (which corresponds to "Castellano a Inglés"), the "Audio" button will be displayed.
### 2. Test the Changes
After implementing this change, run your Shiny app and switch the language selector. The "Audio" button should appear when "English to Spanish" is selected and disappear when "Castellano a Inglés" is chosen.
### 3. Possible Adjustments
- **Styling and Layout**: Depending on your app's layout, you might need to adjust CSS or the layout to ensure a smooth appearance when the button is shown or hidden.
- **JavaScript Condition**: Make sure the condition in `conditionalPanel` correctly references the values of `languageSelect`. If the values change in the future, this condition should be updated accordingly.
By using `conditionalPanel`, you can effectively control the visibility of UI elements in Shiny based on user input or other reactive values.
observeEvent(input$audioButton, {
# Get the current word
word <- quiz_data_reactive()$words_to_guess[current_round()]
# Find the index of the word in the dataframe
index <- which(palabras$English == word)
# Construct the URL for the audio file
audio_file_url <- paste0("https://reddgr.com/wp-content/uploads/2023/11/file", index, ".mp3")
# Send the URL to the UI
session$sendCustomMessage(type = 'playAudio', message = audio_file_url)
})
do I place the conditionalPanel right below?
🤖 The `conditionalPanel` should be placed within the UI function where you define the layout and components of your application, not in the `observeEvent` section of the server function. The `observeEvent` part is for the server-side logic that happens when the "Audio" button is clicked.😎 I meant right after
Here's how you integrate the `conditionalPanel` within the UI function, specifically where you're defining the quiz interface:
1. **Locate the Appropriate Section in the UI Function**: Find the part of your UI function where you've defined the `wellPanel` that includes the "Audio" button.
2. **Integrate `conditionalPanel`**: Replace the existing `actionButton` for the "Audio" button with a `conditionalPanel` that contains the `actionButton`. This `conditionalPanel` will control the visibility of the button based on the condition you specify (e.g., the language selection).
Your updated section might look something like this:R wellPanel( # ... other components ... # Existing actionButton for "Next Round / Siguiente Ronda" # Conditional panel for the Audio button conditionalPanel( condition = "input.languageSelect !== 'es'", # Condition to show the button actionButton("audioButton", "Audio 🔊") ) # ... rest of the wellPanel components ... )
In this snippet:
- `condition = "input.languageSelect !== 'es'"` specifies that the "Audio" button should be shown only when the selected language is not 'es' (Castellano a Inglés).
- The `actionButton` for the audio is nested inside the `conditionalPanel`, making it responsive to the condition.
3. **Test Your App**: After making this change, run your Shiny app to ensure the "Audio" button correctly appears or disappears based on the language selection.
This approach helps in making the UI dynamic and interactive, improving the user experience by showing relevant options based on their selections.
🤖 I see, you're asking about the placement of the `conditionalPanel` in the context of your existing code structure. In the UI definition of a Shiny app, components are typically structured in a hierarchical manner. The `conditionalPanel` should be placed within the UI hierarchy where the "Audio" button is originally defined.😎 server <- function(input, output, session) {
Assuming the "Audio" button is part of the quiz UI that is dynamically generated in the `output$quizUI` render function, you would modify this part of the code in your UI function. Here's a revised snippet to illustrate:R output$quizUI <- renderUI({ req(input$startButton) # Require the start button to be clicked round <- current_round() quiz_data <- quiz_data_reactive() # Get quiz data reactively num_rounds <- input$numRounds if (round <= num_rounds) { word <- quiz_data$words_to_guess[round] options <- quiz_data$options_list[[round]] wellPanel( # ... other components like word display and options ... actionButton("nextButton", "Next Round / Siguiente Ronda"), # Place the conditionalPanel here conditionalPanel( condition = "input.languageSelect !== 'es'", actionButton("audioButton", "Audio 🔊") ) # ... any other components that are part of the quiz UI ... ) } else { # ... code for when the quiz rounds are completed ... } })
In this structure:
- The `conditionalPanel` is placed right after the "Next Round / Siguiente Ronda" button.
- The `condition` argument in `conditionalPanel` checks the value of `input$languageSelect`. If it's not `'es'`, the "Audio" button is displayed.
- The `actionButton` for "Audio 🔊" is nested inside this `conditionalPanel`.
After adding this, test your app to ensure the "Audio" button appears or hides based on the selected language. This approach maintains the dynamic nature of your quiz UI, adapting to user interactions.
total_guesses <- reactiveVal(0)
total_errors <- reactiveVal(0)
quiz_data_reactive <- reactive({
n_rounds <- input$numRounds
language <- input$languageSelect
if (language == "en") {
quiz_data <- quiz_rounds(n_rounds)
} else {
quiz_data <- quiz_rounds_es(n_rounds)
}
##########################
#quiz_data <- quiz_rounds(n_rounds)
return(quiz_data) # Return the quiz data
})
# Current round reactive value
current_round <- reactiveVal(1)
observeEvent(input$startButton, {
total_guesses(0)
total_errors(0)
current_round(1)
})
output$quizUI <- renderUI({
req(input$startButton) # Require the start button to be clicked
round <- current_round()
quiz_data <- quiz_data_reactive() # Get quiz data reactively
num_rounds <- input$numRounds
if (round <= num_rounds) {
word <- quiz_data$words_to_guess[round]
options <- quiz_data$options_list[[round]]
wellPanel(
h3(paste("Ronda ",round, " / Round", round)),
h4(paste("Indica la traducción correcta /", "Choose the correct translation" )),
h5(word),
HTML(""), # Add space
radioButtons(paste("options", round, sep = "_"),
label = NULL,
choices = options),
actionButton("nextButton", "Next Round / Siguiente Ronda"),
actionButton("audioButton", "Audio 🔊")
)
} else {
guess_percentage <- (total_guesses() / num_rounds) * 100
# Display results after the quiz is completed
tagList(
h4("Tus resultados / Your results:"),
h5(paste("✅ Nº de aciertos / Correct answers ✅:", total_guesses())),
h5(paste("❌ Nº de errores / Number of errors ❌:", total_errors())),
h5(paste("📊 % de aciertos / % of correct answers 📊:", sprintf("%.2f%%", guess_percentage))),
actionButton("exitButton", "Terminar / Exit")
)
}
})
# Increment round when 'Next Round' button is clicked
observeEvent(input$nextButton, {
round <- current_round()
word_to_guess <- quiz_data_reactive()$words_to_guess[round]
word_selected <- input[[paste("options", round, sep = "_")]]
# Call check_score function
score <- check_score(word_to_guess, word_selected)
# Update scores
total_guesses(total_guesses() + score)
if (score == 0) {
total_errors(total_errors() + 1)
}
current_round(current_round() + 1)
})
here's the complete server code
🤖 Thank you for providing your complete `server` function. To integrate the functionality of conditionally showing the "Audio" button based on the language selected, you need to modify the `ui` function, specifically the part where you're rendering the quiz UI in `output$quizUI`.😎 THAT'S GREAT, THANK YOU. I'm now working on documenting my code. Is there a good technical word to distinguish functions that are not exclusive to the GUI such as quiz_options, and functions that are proper of the Shiny library and only make sense for building the UI (such as server and ui)?
Here's how to modify your `ui` function:
1. **Locate the Correct Section in the UI Function**: Find the `wellPanel` part where you define the layout for each quiz round.
2. **Integrate `conditionalPanel`**: Replace the existing `actionButton` for the "Audio" button with a `conditionalPanel` that contains this button. The `conditionalPanel` will be used to control the visibility of the button.
Here's a revised snippet of the `ui` function:R output$quizUI <- renderUI({ req(input$startButton) # Require the start button to be clicked round <- current_round() quiz_data <- quiz_data_reactive() # Get quiz data reactively num_rounds <- input$numRounds if (round <= num_rounds) { word <- quiz_data$words_to_guess[round] options <- quiz_data$options_list[[round]] wellPanel( h3(paste("Ronda ", round, " / Round", round)), h4(paste("Indica la traducción correcta /", "Choose the correct translation")), h5(word), HTML(""), radioButtons(paste("options", round, sep = "_"), label = NULL, choices = options), actionButton("nextButton", "Next Round / Siguiente Ronda"), # Conditional panel for the Audio button conditionalPanel( condition = "input.languageSelect !== 'es'", actionButton("audioButton", "Audio 🔊") ) ) } else { # ... the rest of the code for quiz completion ... } })
In this updated section:
- The `conditionalPanel` is placed right where the "Audio" button was.
- The `condition = "input.languageSelect !== 'es'"` specifies that the "Audio" button should only appear when the language selection is not 'es' (Castellano a Inglés).
After integrating this change, the "Audio" button will dynamically show or hide based on the language selected by the user. Make sure to test this functionality in your app to ensure it behaves as expected.
🤖 Absolutely, it's great that you are focusing on documenting your code, as it enhances readability and maintainability. When distinguishing between different types of functions in the context of a Shiny application, you might consider using the following terminologies:
1. **Shiny-specific Functions:** These are functions that are inherent to the Shiny framework and are used to build and manage the UI and server logic of your app. Terms like "Shiny app functions", "UI/server functions", or "Shiny lifecycle functions" can be used to describe them. Examples include `server`, `ui`, `reactive`, `renderUI`, and `observeEvent`.
2. **Domain-specific Functions:** For functions that are not exclusive to the Shiny framework and are used to perform tasks like data processing, logic handling, or any other core functionality of your application, terms like "domain-specific functions", "business logic functions", "helper functions", or "utility functions" can be appropriate. These functions, such as `quiz_options` in your case, represent the underlying logic of your application and can often be used independently of the Shiny context.
Using these terms in your documentation can help differentiate between functions that are part of the Shiny framework and those that are specific to the application's domain or business logic. This distinction not only clarifies the role of each function but also helps in understanding the architecture of your Shiny application.
Hugging Face Dataset Metrics
All the conversation prompts, responses, and metrics are available to download and explore on Hugging Face dataset reddgr/talking-to-chatbots-chats: