push-notification

问题 I am new to web push notification area. I want to send firebase web notifications from web to web. I tried doing that and ended up with this error FirebaseError: Messaging: We are unable to register the default service worker. Failed to register a ServiceWorker: A bad HTTP response code (404) was received when fetching the script. (messaging/failed-serviceworker-registration) I dont know where am I went wrong. Thanks in Advance 回答1: You need to add the service worker file firebase-messaging

问题 I want to push notification subscription with web-push module and angular service worker . I've followed instructions from these links: Angular Push Notifications: a Complete Step-by-Step Guide and Push Notifications with Angular & Express yet the notification prompt was not showing up as it should. I've checked the swPush object and found out that it was not enabled, and I don't know why even I've followed angular/pwa installation instructions exactly as those links said. Hope someone here

问题 I want to push notification subscription with web-push module and angular service worker . I've followed instructions from these links: Angular Push Notifications: a Complete Step-by-Step Guide and Push Notifications with Angular & Express yet the notification prompt was not showing up as it should. I've checked the swPush object and found out that it was not enabled, and I don't know why even I've followed angular/pwa installation instructions exactly as those links said. Hope someone here

问题 I am using Xamarin.forms and implemented Local push notification for iOS. It is working successfully when I am debugging the app through visual studio even when the app is minimized, the app can able to receive the notification. But while running the app directly without debugging through visual studio, the app is not able to display the notification. Kindly guide me on this. Then I also tried by releasing the app to the app store but experienced the same, the app is not able to receive the

问题 I am using Xamarin.forms and implemented Local push notification for iOS. It is working successfully when I am debugging the app through visual studio even when the app is minimized, the app can able to receive the notification. But while running the app directly without debugging through visual studio, the app is not able to display the notification. Kindly guide me on this. Then I also tried by releasing the app to the app store but experienced the same, the app is not able to receive the

问题 i wanna subscribe my users to different "language" topics according to their preference so they receive notifications in the language they want in my firestore i have a collection called notifications inside its document(default) i have two more collections .. english and arabic. now in my shopping app i subbed the user to english topic to test if it works _fcm.subscribeToTopic('english'); and here's my index.js code for cloud fuctions: const functions = require('firebase-functions'); const

问题 I'm unsure how to handle different user accounts on the same device appropriately, as Firebase only creates one Instance-Id per device. Therefore, I though that it would be possible to delete the Instance-Id when the user is logged out and to create a new one when a new user is logged in. On login: FirebaseInstanceId.getInstance().getInstanceId().addOnCompleteListener(task -> System.out.println(task.getResult().getToken())); On logout: FirebaseInstanceId.getInstance().deleteInstanceId() Does

问题 I have an application written in react-native to handle Voip calls between users. I need to wakeup the app upon push notification and show a screen to accept/decline the call. On iOS there is callkit, is there anything similar for Android? 回答1: After some researches, I've come up with a solution which integrates some native Android code with the native app. First of all I've used WakefulBroadcastReceiver to wake up our activity process after receiving a push notification, then with a Service

问题 I am implementing web push notifications using Onesigal API. $fields = array( 'app_id' => "07aae1f0-xxxx-xxxx-aa7a-21c79c5b6733", 'include_player_ids'=>['57dd3f80-xxxx-xxxx-adb0-294bfa69621a'], 'contents' => array( "en"=> "message" ) ); $fields = json_encode($fields); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "https://onesignal.com/api/v1/notifications"); curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json; charset=utf-8', 'Authorization: Basic YTdmYTYxYzYtN..

问题 I am implementing web push notifications using Onesigal API. $fields = array( 'app_id' => "07aae1f0-xxxx-xxxx-aa7a-21c79c5b6733", 'include_player_ids'=>['57dd3f80-xxxx-xxxx-adb0-294bfa69621a'], 'contents' => array( "en"=> "message" ) ); $fields = json_encode($fields); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "https://onesignal.com/api/v1/notifications"); curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json; charset=utf-8', 'Authorization: Basic YTdmYTYxYzYtN..