Merge branch 'ronal2do-patch-1'

Author: pvinis

src/useBackHandler.ts

@@ -1,12 +1,10 @@
 import {useEffect} from 'react'
 import {BackHandler} from 'react-native'
 
-export default function useBackHandler(handler: () => void) {
+export default function useBackHandler(handler: () => boolean) {
   useEffect(() => {
     BackHandler.addEventListener('hardwareBackPress', handler)
 
-    return () => {
-      BackHandler.removeEventListener('hardwareBackPress', handler)
-    }
-  })
+    return () => BackHandler.removeEventListener('hardwareBackPress', handler)
+  }, [handler])
 }