react-native-vision-camera/example/src/Constants.ts

import { Dimensions, Platform } from 'react-native';
import StaticSafeAreaInsets from 'react-native-static-safe-area-insets';

export const CONTENT_SPACING = 15;

const SAFE_BOTTOM =
  Platform.select({
    ios: StaticSafeAreaInsets.safeAreaInsetsBottom,
  }) ?? 0;

export const SAFE_AREA_PADDING = {
  paddingLeft: StaticSafeAreaInsets.safeAreaInsetsLeft + CONTENT_SPACING,
  paddingTop: StaticSafeAreaInsets.safeAreaInsetsTop + CONTENT_SPACING,
  paddingRight: StaticSafeAreaInsets.safeAreaInsetsRight + CONTENT_SPACING,
  paddingBottom: SAFE_BOTTOM + CONTENT_SPACING,
};

// whether to use takeSnapshot() instead of takePhoto() on Android
export const USE_SNAPSHOT_ON_ANDROID = false;

// whether to use ultra-wide-angle cameras if available, or explicitly disable them. I think ultra-wide-angle cams don't support 60FPS...
export const USE_ULTRAWIDE_IF_AVAILABLE = true;

// The maximum zoom _factor_ you should be able to zoom in
export const MAX_ZOOM_FACTOR = 20;

export const SCREEN_WIDTH = Dimensions.get('window').width;
export const SCREEN_HEIGHT = Platform.select<number>({
  android: Dimensions.get('screen').height - StaticSafeAreaInsets.safeAreaInsetsBottom,
  ios: Dimensions.get('window').height,
}) as number;

// Capture Button
export const CAPTURE_BUTTON_SIZE = 78;