react-native-keyboard-controller/lib/module/hooks/useWindowDimensions/index.android.js

Keyboard manager which works in identical way on both iOS and Android

import { useEffect, useState } from "react";
import { WindowDimensionsEvents } from "../../bindings";
let initialDimensions = {
  width: 0,
  height: 0
};
WindowDimensionsEvents.addListener("windowDidResize", e => {
  initialDimensions = e;
});
export const useWindowDimensions = () => {
  const [dimensions, setDimensions] = useState(initialDimensions);
  useEffect(() => {
    const subscription = WindowDimensionsEvents.addListener("windowDidResize", e => {
      setDimensions(e);
    });

    // we might have missed an update between reading a value in render and
    // `addListener` in this handler, so we set it here. If there was
    // no change, React will filter out this update as a no-op.
    setDimensions(initialDimensions);
    return () => {
      subscription.remove();
    };
  }, []);
  return dimensions;
};
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