https://github.com/tbertuzzi/xamarin.forms.multiselectlistview

:ballot_box_with_check: Select multiple rows in a listview with xamarin.forms
https://github.com/tbertuzzi/xamarin.forms.multiselectlistview

android control ios nuget nuget-package xamarin xamarin-forms xamarin-library xamarin-plugin xamarinforms

Last synced: 4 days ago
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:ballot_box_with_check: Select multiple rows in a listview with xamarin.forms

• Host: GitHub
• URL: https://github.com/tbertuzzi/xamarin.forms.multiselectlistview
• Owner: TBertuzzi
• Created: 2018-03-07T16:53:10.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2021-10-05T16:53:58.000Z (almost 3 years ago)
• Last Synced: 2024-09-20T06:02:48.688Z (8 days ago)
• Topics: android, control, ios, nuget, nuget-package, xamarin, xamarin-forms, xamarin-library, xamarin-plugin, xamarinforms
• Language: C#
• Homepage:
• Size: 333 KB
• Stars: 60
• Watchers: 6
• Forks: 10
• Open Issues: 6
• Metadata Files:
  • Readme: README.md

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README

        
# Xamarin.Forms.MultiSelectListView

 Select multiple rows in a listview with xamarin.forms.

 

 By default the listview control lets you only select one row at a time. The MultiSelectListView control uses a modified ObservableCollection to mark which rows have been selected.

 

 You can use any image to mark the selected row.

 

 ###### This is the component, works on iOS and Android.

 

![](https://raw.githubusercontent.com/TBertuzzi/Xamarin.Forms.MultiSelectListView/master/Resources/select.png)

 

**NuGet**

|Name|Info|

| ------------------- | :------------------: |

|MultiSelectListView|[![NuGet](https://buildstats.info/nuget/Xamarin.Forms.MultiSelectListView)](https://www.nuget.org/packages/Xamarin.Forms.MultiSelectListView/)|

|Build status|[![Build status](https://ci.appveyor.com/api/projects/status/github/TBertuzzi/xamarin-forms-multiselectlistview?branch=master&svg=true)](https://ci.appveyor.com/project/ThiagoBertuzzi/xamarin-forms-multiselectlistview)|

**Build History**

[![Build history](https://buildstats.info/appveyor/chart/ThiagoBertuzzi/xamarin-forms-multiselectlistview?buildCount=33)](https://ci.appveyor.com/project/ThiagoBertuzzi/xamarin-forms-multiselectlistview/history)

**Platform Support**

MultiSelectListView is a .NET Standard 2.0 library.Its only dependency is the Xamarin.Forms

## Setup / Usage

Basically the key is to use the MultiSelectObservableCollection instead of the conventional ObservableCollection.

```csharp

public MultiSelectObservableCollection Users { get; }

```

The "IsSelected" property notifies when an object has been selected.

in the Xaml file we must declare our control xmlns: lv = "clr-namespace: Xamarin.Forms.MultiSelectListView; assembly = Xamarin.Forms.MultiSelectListView", for example . 

Then use the new MultiSelect.Enable property to enable the multiple selection in the listview.

we must use the SelectableCell that contains the property to inform the icon of the selection

```csharp

    

        

            

                

                    

                        

                            

                        

                        

                            

                                

                            

                        

                    

                

            

        

    

```

## SelectedItemBehavior

SelectedItemBehavior to execute the command when the SelectedItem event occurs in ListView. Pass the item selected in ListView to Command. 

Based on SelectedItemBehavior by [Atsushi Nakamura](https://github.com/nuitsjp) (https://github.com/nuitsjp/Xamarin.Forms.BehaviorsPack).

If ClearSelected property is true, SelectedItem property of ListView is cleared after command execution. Default ClearSelected property value is true.

You can use the object of the selected line

```csharp

  

        

  

```

Or specify the property you want to pass as a parameter

```csharp

  

       

```

The complete example can be downloaded here: https://github.com/TBertuzzi/Xamarin.Forms.MultiSelectListView/tree/master/MultiSelectListViewSample