action-button | 易学教程

Shiny: dynamically add/ remove textInput rows based on index

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问题 Based on this article I changed my script: library(shiny) ui = fluidPage( actionButton("add", "Add new Row", icon=icon("plus", class=NULL, lib="font-awesome")), actionButton("remove", "Remove last Row", icon=icon("times", class = NULL, lib = "font-awesome")), tags$div(id = 'placeholder') ) server = function(input, output) { ## keep track of elements inserted and not yet removed inserted <- c() observeEvent(input$add, { id <- '' insertUI( selector = "#placeholder", where = "beforeBegin", ui

Is there any way for an actionButton() to navigate to another tab within a R Shiny application?

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问题 I have multiple tabs within my R Shiny app and haven't discovered a way to have my action button navigate to another tab. The first tab ends with a "submit info" action button, and the goal is to have the "results" tab open after the user submits. If anyone might have some pseudo code that could make this happen, anything would be extremely helpful. 回答1: Hi you can use updateTabsetPanel to do that, you have to put an id to your tabsetPanel (if you use a tabsetPanel ) and add session to your

Is there any way for an actionButton() to navigate to another tab within a R Shiny application?

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Action Buttons do not cover the entire Toolbar

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问题 I have used a Toolbar to display four action buttons. When I inflate the toolbar with menu, the action buttons are displayed towards one side as shown in the picture : How can I make these action buttons cover the entire toolbar? This is the code for the Activity : public class ResultActivity extends FragmentActivity { final int TAB_NUM = 2; private ViewPager mViewPager; private PagerAdapter mPagerAdapter; private Toolbar mResultToolbar; @Override protected void onCreate(Bundle

Android - Calling methods from notification action button

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问题 I know that you can launch Activities from the action buttons using PendingIntents. How do you make it so that the a method gets called when the user clicks the notification action button? public static void createNotif(Context context){ ... drivingNotifBldr = (NotificationCompat.Builder) new NotificationCompat.Builder(context) .setSmallIcon(R.drawable.steeringwheel) .setContentTitle("NoTextZone") .setContentText("Driving mode it ON!") //Using this action button I would like to call logTest

R Shiny: How to create an “Add Field” Button

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问题 In R Shiny is there a way to have a button that says "add field" that, when clicked, will add another text input box? I would want to take this code: shinyUI(fluidPage( titlePanel("Resume Text Analysis"), sidebarLayout(position = "right", mainPanel(h2("Qualified Applicants"), dataTableOutput("table")), sidebarPanel(h2("Specifications"), textInput("filepath", label = h4("Paste the file path for the folder of '.txt' files you would like included in the analysis.")), helpText("Choose up to 10

When dashboard is present inside action-button it is showing result when button is pressed twice

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问题 In my code when i press load scenario button it is showing the dashboard page when load scenario button is pressed twice.I want my dashboard to appear in a single click.Can anyone help.Here is my code library("shiny") library("shinydashboard") ui <- fluidPage( actionButton("create_scenario", "Create Scenario"), actionButton("load_scenario","load scenario"), uiOutput("input"), uiOutput("inputs") ) server <- function(input, output,session) { observeEvent(input$create_scenario,{ output$input <-

Android - Calling methods from notification action button

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I know that you can launch Activities from the action buttons using PendingIntents. How do you make it so that the a method gets called when the user clicks the notification action button? public static void createNotif(Context context){ ... drivingNotifBldr = (NotificationCompat.Builder) new NotificationCompat.Builder(context) .setSmallIcon(R.drawable.steeringwheel) .setContentTitle("NoTextZone") .setContentText("Driving mode it ON!") //Using this action button I would like to call logTest .addAction(R.drawable.smallmanwalking, "Turn OFF driving mode", null) .setOngoing(true); ... } public

R shiny - last clicked button id

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I have multiple action buttons, on which i want to show different select Inputs and I want to know last clicked button id, how can I do that? When I use which(lapply(c(1:10), function(i) { input[[paste0("ActionButton", i)]]}) == TRUE) It shows me all button which were clicked, however I want to know which one was the last in order to enable click once again on previous buttons. How can I do that? I am new in shiny and not sure if understand all reactive/isolate issue so I would be greateful for any hints. You can do it by adding JS smthing like $(document).on('click', '.needed', function () {

R shiny - last clicked button id

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问题 I have multiple action buttons, on which i want to show different select Inputs and I want to know last clicked button id, how can I do that? When I use which(lapply(c(1:10), function(i) { input[[paste0("ActionButton", i)]]}) == TRUE) It shows me all button which were clicked, however I want to know which one was the last in order to enable click once again on previous buttons. How can I do that? I am new in shiny and not sure if understand all reactive/isolate issue so I would be greateful