I search but I can\'t find if it\'s possible to change the StatusBar color for each platform, from my portable code? (for Android, iOS & WinPhone 8.1)
Maybe I'm not understanding the question, but I hope this helps.
After searching around quite a bit trying to find out how to change the iPhoneX status bar color (the bit behind the notch), I found out that it automatically sets itself based on the BackroundColorproperty of the root ContentPage.
So in Xaml it's as easy as this:
I'm basically using the approach described in one of the answers here: https://stackoverflow.com/a/46199029/960691, but modifying it a little by giving you a code snippet that I've focused for your individual question (at least I think!)