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TableView animating incorrectly when updating TableSection/TextCell #5198

TimLariviere opened this Issue Feb 11, 2019 · 3 comments


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TimLariviere commented Feb 11, 2019


While UWP is not affected by the issue #5197, it animates incorrectly in the case we replaced the default TableRoot by our own.

Steps to Reproduce

  1. Create a new Xamarin.Forms project
  2. Set the following content in MainPage.xaml
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns=""

    <StackLayout Padding="10">
        <Label Text="Bad" />
        <TableView x:Name="TableViewBad" Intent="Form" />
        <Label Text="Good" />
        <TableView x:Name="TableViewGood" Intent="Form" />
        <Button x:Name="Increment" Text="Increment" />

  1. Set the following in MainPage.xaml.cs
using System;
using Xamarin.Forms;

namespace TableViewAnimationIssue
    public partial class MainPage : ContentPage
        public int _count = 0;
        private TableSection _sectionBad;
        private TableSection _sectionGood;
        private TextCell _cellBad;
        private TextCell _cellGood;

        public MainPage()

            _sectionBad = new TableSection("0");
            _sectionGood = new TableSection("0");
            _cellBad = new TextCell { Text = "0" };
            _cellGood = new TextCell { Text = "0" };

            var sectionBad2 = new TableSection("Text");
            var cellBad2 = new TextCell { Text = "Text" };
            var sectionGood2 = new TableSection("Text");
            var cellGood2 = new TextCell { Text = "Text" };

            TableViewBad.Root = new TableRoot { _sectionBad, sectionBad2 };


            Increment.Clicked += Increment_Clicked;

        private void Increment_Clicked(object sender, EventArgs e)

            _sectionBad.Title = _count.ToString();
            _sectionGood.Title = _count.ToString();

            _cellBad.Text = _count.ToString();
            _cellGood.Text = _count.ToString();

Expected Behavior

The UI updates without playing an entrance animation on the whole TableView.

Actual Behavior

The UI updates and plays an entrance animation on the whole TableView.

Basic Information

  • Version with issue: At least, up to
  • Platform Target Frameworks: UWP (others are currently impacted by issue #5197 which prevents this issue)
    • UWP: 16299



Reproduction Link


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samhouts commented Feb 12, 2019

Duplicate of #2813

@samhouts samhouts marked this as a duplicate of #2813 Feb 12, 2019

@samhouts samhouts closed this Feb 12, 2019

Triage automation moved this from New to Closed Feb 12, 2019


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TimLariviere commented Feb 12, 2019

@samhouts I fail to see why it's a duplicate?
In this issue, it's not scrolling down. It's playing an animation like if the whole collection was replaced.

And this occurs only in one scenario.
If we reuse the default TableRoot created by TableView, it's fine and doesn't play the animation.


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samhouts commented Feb 12, 2019

@TimLariviere Thank you! I think it might have a very similar root cause, and it is likely UWP's native behavior, but I will reopen it for further investigation.

@samhouts samhouts reopened this Feb 12, 2019

Triage automation moved this from Closed to New Feb 12, 2019

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