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Validating Navigation in Xamarin.Forms
source link: https://www.youtube.com/watch?v=gXLRIy1_284
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Sometimes you want to check some rules before navigating. Did the user leave edits behind accidentally? Are they trying to go back when you don't want them to? Shell provides navigation hooks for you to intercept and make those decisions.
Resources - https://docs.microsoft.com/xamarin/xa... - Source: https://github.com/davidortinau/Xappy
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