Update README.md

slorber · satya164 · web-flow · commit d354567ebfdd · 2019-09-30T13:23:54.000+02:00
Co-Authored-By: Satyajit Sahoo &lt;satyajit.happy@gmail.com&gt;
diff --git a/README.md b/README.md
@@ -118,7 +118,7 @@ function MyScreen() {
   useFocusEffect(useCallback(() => {
     console.debug("screen takes focus");
     return () => console.debug("screen loses focus");
-  }));
+  }, []));
   return <View>...</View>;
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -118,7 +118,7 @@ function MyScreen() {`
`118`	`118`	`useFocusEffect(useCallback(() => {`
`119`	`119`	`console.debug("screen takes focus");`
`120`	`120`	`return () => console.debug("screen loses focus");`
`121`		`- }));`
	`121`	`+ }, []));`
`122`	`122`	`return <View>...</View>;`
`123`	`123`	`}`
`124`	`124`	```