objective c - How to access rootViewController from React-Native -

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i'm creating react-native module access admob. gadbannerview object requires rootviewcontroller perform. know how create react-native view/module it? thank much.

from native objective c code in module, can access root view controller of app follows:

uiviewcontroller *rootviewcontroller = [uiapplication sharedapplication].delegate.window.rootviewcontroller;

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