How to use expo-background-fetch - 5 common examples
To help you get started, we’ve selected a few expo-background-fetch examples, based on popular ways it is used in public projects.
Secure your code as it's written. Use Snyk Code to scan source code in minutes - no build needed - and fix issues immediately.
expo / expo / apps / native-component-list / src / screens / BackgroundFetchScreen.tsx View on Github 
toggle = async () => {
if (this.state.isRegistered) {
await BackgroundFetch.unregisterTaskAsync(BACKGROUND_FETCH_TASK);
} else {
await BackgroundFetch.registerTaskAsync(BACKGROUND_FETCH_TASK, {
minimumInterval: 60, // 1 minute
stopOnTerminate: false,
startOnBoot: true,
});
}
this.setState({ isRegistered: !this.state.isRegistered });
}toggle = async () => {
if (this.state.isRegistered) {
await BackgroundFetch.unregisterTaskAsync(BACKGROUND_FETCH_TASK);
} else {
await BackgroundFetch.registerTaskAsync(BACKGROUND_FETCH_TASK, {
minimumInterval: 60, // 1 minute
stopOnTerminate: false,
startOnBoot: true,
});
}
this.setState({ isRegistered: !this.state.isRegistered });
}TaskManager.defineTask(BACKGROUND_FETCH_TASK, async () => {
const now = Date.now();
console.log(`Got background fetch call at date: ${new Date(now).toISOString()}`);
await AsyncStorage.setItem(LAST_FETCH_DATE_KEY, now.toString());
return BackgroundFetch.Result.NewData;
});render() {
return (async checkStatusAsync() {
const status = await BackgroundFetch.getStatusAsync();
const isRegistered = await TaskManager.isTaskRegisteredAsync(BACKGROUND_FETCH_TASK);
this.setState({ status, isRegistered });
}expo-background-fetch
Expo universal module for BackgroundFetch API
