RN expects a string, not a number for keyExtractor

Same issue as here: wonday/react-native-pdf#125
vpicone · Jun 13, 2018 · a5cd16f · a5cd16f
1 parent 1e1065c
commit a5cd16f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/network.md b/docs/network.md
@@ -118,7 +118,7 @@ export default class FetchExample extends React.Component {
         <FlatList
           data={this.state.dataSource}
           renderItem={({item}) => <Text>{item.title}, {item.releaseYear}</Text>}
-          keyExtractor={(item, index) => index}
+          keyExtractor={(item, index) => index.toString()}
         />
       </View>
     );