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[Bug] [iOS] Grouped ListView with SwipeViews does not swipe items upon refreshing the ItemsSource #12971

Open thomasgalliker opened 3 years ago

thomasgalliker commented 3 years ago

Description

We're using a ListView with grouping and SwipeViews inside the ItemTemplate. When we bind the grouped ItemsSource to the ListView the first time, it works fine. As soon as we manipulate the grouped list (e.g. Grouped.Clear() or Grouped.Add()), the SwipeItems do no longer swipe.

Steps to Reproduce

  1. Create ListView with grouping, bind ItemsSource to a grouped list of items.
  2. Add ItemTemplate with a SwipeView which contains at least one SwipeItem
  3. Bind SwipeItem.Command to an operation which updates the underlying (like Clearing the grouped list / Add new items)

Expected Behavior

SwipeViews always open and close as expected

Actual Behavior

SwipeViews do no longer open after the first manipulation on the grouped list.

Basic Information

Environment

Visual Studio Enterprise 2019 for Mac
Version 8.7.9 (build 9)
Installation UUID: fa270778-c009-4be4-9e7c-f74317ea629f
    GTK+ 2.24.23 (Raleigh theme)
    Xamarin.Mac 6.18.0.23 (d16-6 / 088c73638)

    Package version: 612000093

Mono Framework MDK
Runtime:
    Mono 6.12.0.93 (2020-02/620cf538206) (64-bit)
    Package version: 612000093

Roslyn (Language Service)
3.7.0-6.20427.1+18ede13943b0bfae1b44ef078b2f3923159bcd32

NuGet
Version: 5.7.0.6702

.NET Core SDK
SDK: /usr/local/share/dotnet/sdk/3.1.403/Sdks
SDK Versions:
    3.1.403
    3.1.402
    3.1.401
    3.1.302
    3.1.301
    3.1.300
    3.1.202
    3.1.200
    3.1.102
    3.1.101
    3.1.100
    3.0.102
    3.0.100
    2.2.207
MSBuild SDKs: /Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Sdks

.NET Core Runtime
Runtime: /usr/local/share/dotnet/dotnet
Runtime Versions:
    3.1.9
    3.1.8
    3.1.7
    3.1.6
    3.1.5
    3.1.4
    3.1.2
    3.1.1
    3.1.0
    3.0.2
    3.0.0
    2.2.8
    2.1.23
    2.1.22
    2.1.21
    2.1.20
    2.1.19
    2.1.18
    2.1.17
    2.1.16
    2.1.15
    2.1.14

Xamarin.Profiler
Version: 1.6.13.11
Location: /Applications/Xamarin Profiler.app/Contents/MacOS/Xamarin Profiler

Updater
Version: 11

Apple Developer Tools
Xcode 12.1 (17222)
Build 12A7403

Xamarin.Mac
Version: 6.20.2.2 (Visual Studio Enterprise)
Hash: 817b6f72a
Branch: d16-7
Build date: 2020-07-18 18:44:59-0400

Xamarin.iOS
Version: 14.2.0.12 (Visual Studio Enterprise)
Hash: e0ce49680
Branch: xcode12.1
Build date: 2020-10-20 09:52:06-0400

Xamarin.Android
Version: 11.0.2.0 (Visual Studio Enterprise)
Commit: xamarin-android/d16-7/025fde9
Android SDK: /Users/exttga/Library/Developer/Xamarin/android-sdk-macosx
    Supported Android versions:
        8.1 (API level 27)

SDK Tools Version: 26.1.1
SDK Platform Tools Version: 29.0.5
SDK Build Tools Version: 29.0.2

Build Information: 
Mono: 83105ba
Java.Interop: xamarin/java.interop/d16-7@1f3388a
ProGuard: Guardsquare/proguard/proguard6.2.2@ebe9000
SQLite: xamarin/sqlite/3.32.1@1a3276b
Xamarin.Android Tools: xamarin/xamarin-android-tools/d16-7@017078f

Microsoft OpenJDK for Mobile
Java SDK: /Users/exttga/Library/Developer/Xamarin/jdk/microsoft_dist_openjdk_1.8.0.25
1.8.0-25
Android Designer EPL code available here:
https://github.com/xamarin/AndroidDesigner.EPL

Android SDK Manager
Version: 16.7.0.13
Hash: 8380518
Branch: remotes/origin/d16-7~2
Build date: 2020-09-16 05:12:24 UTC

Android Device Manager
Version: 16.7.0.24
Hash: bb090a3
Branch: remotes/origin/d16-7
Build date: 2020-09-16 05:12:46 UTC

Xamarin Designer
Version: 16.7.0.495
Hash: 03d50a221
Branch: remotes/origin/d16-7-vsmac
Build date: 2020-08-28 13:12:52 UTC

Build Information
Release ID: 807090009
Git revision: d29d54665a1fc79986687a540a7a4676f97ad3da
Build date: 2020-10-21 15:05:18-04
Build branch: release-8.7
Xamarin extensions: d29d54665a1fc79986687a540a7a4676f97ad3da

Operating System
Mac OS X 10.15.7
Darwin 19.6.0 Darwin Kernel Version 19.6.0
    Mon Aug 31 22:12:52 PDT 2020
    root:xnu-6153.141.2~1/RELEASE_X86_64 x86_64

Reproduction Link

GroupingListSample.zip

Workaround

Going back to ContextMenus instead of SwipeViews.

thomasgalliker commented 3 years ago

Let me know if I can re-test this issue with one of the (pre-)released nuget packages.