May 2019
Intermediate to advanced
504 pages
11h 50m
English
Content preview from Hands-On Mobile Development with .NET Core
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Event aggregator
An event aggregator (also known as publisher/subscriber or Pub-Sub) is a messaging pattern where senders of messages/events, called publishers, do not program the messages to be sent directly to a single/specific receiver, called subscribers, but, instead, categorize published messages into classes without knowledge of which subscribers, if any, there may be. Messages are then funneled through a so-called aggregator and delivered to the subscribers. This approach provides a complete decoupling between the publishers and subscribers while maintaining an effective messaging channel.
Event aggregator implementation within the Xamarin.Forms framework is done via MessagingCenter. MessagingCenter exposes a simple API that is composed ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.