This week, James is joined by friend of the show Dean Faizel, Microsoft Mobile Customer Advisory Team Engineer, who talks us through the best practices of using async and await in mobile development. Time codes: 3:20 Bad Task Invoke 6:40 Goods Task Invoke 7:45 Bad Multiple tasks 8:35 Goods Multiple tasks 15:03 Bad threading 16:25 Good threading 17:00 Bad UI update 20:05 Goods UI update 20:40 Bad exception handling 22:30 Goods exception handling 23:46 Bad timeout 25:13 Good timeout 27:30 Bad TCS 30:00 Good TCS *Show Links:* * [Docs - Asynchronous Programming](https://docs.microsoft.com/dotnet/csharp/programming-guide/concepts/async/?WT.mc_id=xamarin-c9-jamont) * [Docs - Xamarin Async Support](https://docs.microsoft.com/xamarin/cross-platform/platform/async?WT.mc_id=xamarin-c9-jamont) * [Blog - Getting Started with Async / Await](https://devblogs.microsoft.com/xamarin/getting-started-with-async-await/) * [Source Code](https://github.com/xamcat/mobcat-xamarin-show) * Find James on: [Twitter](http://twitter.com/jamesmontemagno), [GitHub](http://github.com/jamesmontemagno), [Blog](https://www.montemagno.com/), and his weekly podcast [Merge Conflict](http://www.mergeconflict.fm/). * [Follow @JamesMontemagno](https://twitter.com/jamesmontemagno) * Never Miss an Episode: [Follow @TheXamarinShow](https://twitter.com/thexamarinshow) *Useful Links:* * Learn more about [Xamarin](https://dotnet.microsoft.com/apps/xamarin) * [Xamarin.Forms](https://dotnet.microsoft.com/apps/xamarin/xamarin-forms?WT.mc_id=xamarin-c9-jamont) * [Cross-platform development](https://dotnet.microsoft.com/apps/xamarin/cross-platform) * [Xamarin Developer Center](https://aka.ms/xamarin-ch9-docs) & [Blog](http://devblogs.microsoft.com/xamarin) * [Microsoft Learn Self-Guided Training](http://aka.ms/learn-xamarin) * [Create a Free Account (Azure)](https://aka.ms/xamarinazurefree) * [Xamarin Developers YouTube Channel](null) * [Xamarin on Twitter](http://twitter.com/xamarinhq) #Xamarin #XamarinForms #AsyncAwait #Asynchronous #BestPractices