没有 firebase 的 Android 推送通知

我想 派出机器人推通知到选定的用户 没有使用gcm 或火灾基地。应用程序已经建立没有防火基地。现在我也需要整合推送通知。

问题:

  • 没有消防队怎么可能呢？

实际上，我想要一个功能，当管理员更新数据库表中特定用户的一个字段中的值时，该用户将得到关于更新的推送通知。这怎么可能？

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小开

The way is to create custom Service https://developer.android.com/reference/android/app/Service.html , which is holding connection via socket or polling some remote server with intervals.

But, I suggest that Firebase service is more advanced and optimized in battery consumption and, particularly, in utilizing the sleep mode. It's not trivial to make a service which will have fast response and CPU consumption. I think that a custom service development will lead to native (C++) coding of networking routines libs.

Also, take into account that Firebase provides own Authentication service with ability to seamless convert your anonymous user to registered. There is a lot of pros of Firebase services. And cons are: your users have to install Google Play Services, if your app will grow - you will pay to Firebase.

Look here Android push notification without Google service

小开

It's possible using VAPID authentication.

Google for VAPID and you will find a very tortuous road that could lead to the answer you are looking for.

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another option is Gotify. Gotify is self-hosted open source notification solution that you can use it to send push notification to your android app without need of Firebase.

with help of UnifiedPush you can receive push notifications in your android app.

you can easily host Gotify server on Docker and use it's Api or cli,... to send notifications.

here is a good article about Gotify: https://www.linux-magazine.com/Issues/2020/230/Gotify


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