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July 9, 2020 22:20
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import Constants from "expo-constants"; | |
import * as Notifications from "expo-notifications"; | |
import * as Permissions from "expo-permissions"; | |
import React, { useState, useEffect, useRef } from "react"; | |
import { Text, View, Button, Platform } from "react-native"; | |
Notifications.setNotificationHandler({ | |
handleNotification: async () => ({ | |
shouldShowAlert: true, | |
shouldPlaySound: false, | |
shouldSetBadge: false, | |
}), | |
}); | |
// This listener is fired whenever a user taps on or interacts with a notification (works when app is foregrounded, backgrounded, or killed) | |
Notifications.addNotificationResponseReceivedListener((response) => { | |
alert(JSON.stringify(response)); | |
}); | |
export default function App() { | |
const [expoPushToken, setExpoPushToken] = useState(""); | |
const [notification, setNotification] = useState(false); | |
const notificationListener = useRef(); | |
const responseListener = useRef(); | |
useEffect(() => { | |
registerForPushNotificationsAsync().then((token) => | |
setExpoPushToken(token) | |
); | |
return () => { | |
Notifications.removeAllNotificationListeners(); | |
}; | |
}, []); | |
return ( | |
<View | |
style={{ | |
flex: 1, | |
alignItems: "center", | |
justifyContent: "space-around", | |
}} | |
> | |
<Text>Your expo push token: {expoPushToken}</Text> | |
<View style={{ alignItems: "center", justifyContent: "center" }}> | |
<Text>Press the button below and kill your app</Text> | |
</View> | |
<Button | |
title="Press to Send Notification" | |
onPress={async () => { | |
await sendPushNotification(expoPushToken); | |
}} | |
/> | |
</View> | |
); | |
} | |
// Can use this function below, OR use Expo's Push Notification Tool-> https://expo.io/dashboard/notifications | |
async function sendPushNotification(expoPushToken) { | |
await Notifications.scheduleNotificationAsync({ | |
content: { | |
title: "1 You've got mail! 📬", | |
subtitle: "this is the sub", | |
body: "What would you like to do with it?", | |
vibrate: false, | |
}, | |
trigger: { seconds: 5 }, | |
}); | |
} | |
async function registerForPushNotificationsAsync() { | |
let token; | |
if (Constants.isDevice) { | |
const { status: existingStatus } = await Permissions.getAsync( | |
Permissions.NOTIFICATIONS | |
); | |
let finalStatus = existingStatus; | |
if (existingStatus !== "granted") { | |
const { status } = await Permissions.askAsync(Permissions.NOTIFICATIONS); | |
finalStatus = status; | |
} | |
if (finalStatus !== "granted") { | |
alert("Failed to get push token for push notification!"); | |
return; | |
} | |
token = ( | |
await Notifications.getExpoPushTokenAsync({ | |
experienceId: "@charliecruzan/myapp", | |
}) | |
).data; | |
console.log(token); | |
} else { | |
alert("Must use physical device for Push Notifications"); | |
} | |
if (Platform.OS === "android") { | |
Notifications.setNotificationChannelAsync("default", { | |
name: "default", | |
importance: Notifications.AndroidImportance.MAX, | |
vibrationPattern: [0, 250, 250, 250], | |
lightColor: "#FF231F7C", | |
}); | |
} | |
return token; | |
} |
I have a question, if I call the listener outside the component, how can I trigger a method (ex: to navigate to desired screen )inside the component?
@farhan-ibrahim , please have a look at this
https://reactnavigation.org/docs/navigating-without-navigation-prop
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@cruzach i have resolved this as you said take it to the outside of root component and i also i did not use hooks for this i was able to resolved this and it also routes to the desired screen as the flow sdk 39