Firebase

Development/Design

[Firebase] Solution to the problem of email verified not being false when changing email addresses.

Trying to resolve an error where a user can change his/her email address without email verification if the user wants to change his/her email address once the user has authenticated with Firebase. By the way, user.emailVerified is useless when changing email addresses.
Development/Design

[Go x FCM] Implemented a function to send push notifications to FCM on a regular basis: Server Edition

Implement a function to send Push notifications from the server to FCM at regular times in Go language.The following four arguments are required to implement Push notifications to FCM: OAuth 2.0 token (Authorisation in the HTTP request header), FCM token of the device, title and body.
Development/Design

[Flutter×FCM] Implementing Push Notifications: Up to Test Sending (iOS/Android)

The process of push notification using Firebase Cloud Messaging (FCM) consists of the following three steps. Message transmission from the server → delivery processing by FCM → reception and display by the app. iOS requires an APNs authentication key (p8 file).
Development/Design

[Flutter × Go] Withdrawal process: How to handle the “requires-recent-login” error when deleting Firebase Auth.

Describes how to deal with the 'requires-recent-login' error when processing user withdrawal using Firebase Auth.This error occurs when a user has not logged in recently for security reasons. The user needs to be re-authenticated (reauthentication) before they can be withdrawn.