Utilisation d'utilisation d'effet avec asynchronisation
useFocusEffect(
useCallback(() => {
let dbRef;
let didCleanup = false;
(async() => {
try {
const user = JSON.parse(await AsyncStorage.getItem("user"));
if (!didCleanup && user.uid) {
dbRef = ref(dbDatabase, "/activity/" + user.uid);
onValue(query(dbRef, limitToLast(20)), (snapshot) => {
console.log(snapshot.val());
});
}
} catch (error) {
// ...handle/report the error...
}
})();
return () => {
didCleanup = true;
if (dbRef) {
off(dbRef);
}
};
}, [])
);
SAMER SAEID