diff options
author | Ivan Chen <ivan@tagg.id> | 2021-07-01 15:41:58 -0400 |
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committer | Ivan Chen <ivan@tagg.id> | 2021-07-01 15:41:58 -0400 |
commit | 5caf2c7584c9fd79715eb36bc7017b54393f00c3 (patch) | |
tree | 9f8b0a26a78f791f5a5c38390c8a5043a4c24606 /src | |
parent | 5d07edcc1945b90046148b6c2424f20f024efae2 (diff) |
Update logic for viewable items in SP
Diffstat (limited to 'src')
-rw-r--r-- | src/screens/suggestedPeople/SuggestedPeopleScreen.tsx | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/src/screens/suggestedPeople/SuggestedPeopleScreen.tsx b/src/screens/suggestedPeople/SuggestedPeopleScreen.tsx index 39d98bcc..6156e950 100644 --- a/src/screens/suggestedPeople/SuggestedPeopleScreen.tsx +++ b/src/screens/suggestedPeople/SuggestedPeopleScreen.tsx @@ -44,6 +44,7 @@ const SuggestedPeopleScreen: React.FC = () => { const [hideStatusBar, setHideStatusBar] = useState(false); // boolean for showing/hiding loading indicator const [loading, setLoading] = useState(true); + const [viewableItems, setViewableItems] = useState<ViewToken[]>([]); // set loading to false once there are people to display useEffect(() => { @@ -59,6 +60,20 @@ const SuggestedPeopleScreen: React.FC = () => { const stausBarRef = useRef(hideStatusBar); + // https://stackoverflow.com/a/57502343 + const viewabilityConfigCallback = useRef( + (info: {viewableItems: ViewToken[]}) => { + setViewableItems(info.viewableItems); + }, + ); + + useEffect(() => { + if (viewableItems.length > 0) { + setHideStatusBar(viewableItems[0].index !== 0); + stausBarRef.current = viewableItems[0].index !== 0; + } + }, [viewableItems]); + useEffect(() => { const handlePageChange = async () => { const checkAsync = await AsyncStorage.getItem( @@ -208,14 +223,6 @@ const SuggestedPeopleScreen: React.FC = () => { updateDisplayedUser(user, 'no_record', ''); }; - const onViewableItemsChanged = useCallback( - ({viewableItems}: {viewableItems: ViewToken[]}) => { - setHideStatusBar(viewableItems[0].index !== 0); - stausBarRef.current = viewableItems[0].index !== 0; - }, - [], - ); - useFocusEffect(() => { if (suggested_people_linked === 0) { navigation.navigate('SPWelcomeScreen'); @@ -244,7 +251,7 @@ const SuggestedPeopleScreen: React.FC = () => { }} keyExtractor={(_, index) => index.toString()} showsVerticalScrollIndicator={false} - onViewableItemsChanged={onViewableItemsChanged} + onViewableItemsChanged={viewabilityConfigCallback.current} onEndReached={() => setPage(page + 1)} onEndReachedThreshold={3} refreshControl={ |