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Enable push notifications for your webpage or web app Ask the user for permission to send them push notifications. ... If the user grants permission, register the provided push notification endpoint and encryption keys from the subscription on your push server with the user's account.

For sending Notification to any android Device you can use two technology: 1) Push. 2) Pull. For Push Technology you can use GCM(Google cloud messaging). For Pull Technology you can make you application continuously keep on connecting to server and trying to fetch data if it is available from there.

Allow or block notifications from all sites On your Android device, open Chrome . To the right of the address bar, tap More. Settings. Tap Site settings. Notifications. At the top, turn the setting on or off.

On Android devices, web push notifications are handled like all other notifications, that is, they are displayed in the notification tray. On iOS, push notifications will not appear.

Then, send a test push notification to that user: Navigate to Settings > Apps and websites. Click the mobile app for which you'd like to send a push notification. ... For Device , enter the you located above. For Message, enter a message to display in the push notification. Click Send Notification.

Just make sure your push notification adheres to these three tenets: It's relevant and timely: The user's behavior, location, or preference triggers the notification. ... It's personal: The content of the push appeals to the user as an individual. It's actionable: The push makes it clear what the user should do next.

One approach is to send a message from the service worker to the page, this way the web page can show the user a notification or update, informing him of the event. To handle this case, we can check if any window client is focused and send the message to every client using the postMessage method.