Can't get primitive int back from shared preferences flutter

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Android

I'm trying to use sharedpreferences in flutter, but I have a question. The shared preferences seem to be working, but I can't use the getter, cause its async, and I am getting the following error:

Type <Future>int is not a subtype of type int

How can I keep using shared preferences and fix this problem, since I only need the value.

What I have tried:

sharedprefernces().setcom(index);
//log(colores[index]);
comun(sharedprefernces().getcom, context);