Hello there, today we are going to get involved with a feature for mobile apps that i recently needed to one of my apps, called Dependency Injection.

(Image taken from https://xamarinhelp.com/xamarin-forms-dependency-injection/)

We are going to give some info and guidance on how to perform platform-specific tasks in the Xamarin.Forms framework and especially how to save and open a PDF file with the default viewer on each platform.

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