replace example code with are minified camera screen/record button

package/example/src/is-foreground.tsx

@@ -0,0 +1,16 @@
+import { useState, useEffect } from 'react'
+import { AppState, AppStateStatus } from 'react-native'
+
+export const useIsForeground = (): boolean => {
+  const [isForeground, setIsForeground] = useState(true)
+
+  useEffect(() => {
+    const onChange = (state: AppStateStatus): void => {
+      setIsForeground(state === 'active')
+    }
+    const listener = AppState.addEventListener('change', onChange)
+    return () => listener.remove()
+  }, [setIsForeground])
+
+  return isForeground
+}