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

⚙️EventAggregator provides multicast publish/subscribe functionality
https://github.com/tbertuzzi/xamarin.forms.eventaggregator

event eventaggregator messagecenter xamarin xamarin-forms

Last synced: about 2 months ago
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⚙️EventAggregator provides multicast publish/subscribe functionality

• Host: GitHub
• URL: https://github.com/tbertuzzi/xamarin.forms.eventaggregator
• Owner: TBertuzzi
• Created: 2021-11-23T16:47:54.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2021-11-23T17:38:37.000Z (over 3 years ago)
• Last Synced: 2025-04-15T07:43:42.608Z (about 2 months ago)
• Topics: event, eventaggregator, messagecenter, xamarin, xamarin-forms
• Language: C#
• Homepage:
• Size: 1.27 MB
• Stars: 12
• Watchers: 2
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

        
# Xamarin.Forms.EventAggregator

The EventAggregator provides multicast publish/subscribe functionality. This means there can be multiple publishers that raise the same event and there can be multiple subscribers listening to the same event.

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

![](https://github.com/TBertuzzi/Xamarin.Forms.EventAggregator/blob/master/Resources/eventAggregator.png?raw=true)

![](https://github.com/TBertuzzi/Xamarin.Forms.EventAggregator/blob/master/Resources/aggregator.gif?raw=true)

**NuGet**

|Name|Info|

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

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

*Platform Support**

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

## Setup / Usage

Does not require additional configuration. Just install the package in the shared project and use.

**Sample**

Create a Sample Message

```csharp

    public class TextMessage

    {

        public string Text { get; set; }

    }

```

Register Handler to listen to the event

```csharp

  private void TextHandler(

    TextMessage message)

        {

            Text = message.Text;

        }

        

   //Register Event Handler

            EventAggregator.Instance.RegisterHandler(

       TextHandler);

```

Send Message 

```csharp

   //Register Event

          

EventAggregator.Instance.SendMessage(TextMessage);

```

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