• Projects 17
  • Rating 5.0
  • Rating 1 945

Budget: 800 UAH Deadline: 1 day

You have already been answered in the comments, but I will repeat.
It is best to use a notification service, such as Firebase or OneSignal.
This way you will protect yourself from the situation when the OS itself shuts down your service in the application.

  • Projects 8
  • Rating -
  • Rating 540

Budget: 800 UAH Deadline: 1 day

Good day. You can use fcm or onesignal. They usually work stably. Done in an hour.

  • Projects 20
  • Rating -
  • Rating 1 292

Budget: 3200 UAH Deadline: 4 days

Hello.
Two options:
1) WebSocket
2) Notifications from FSM.
The second option works more stable.

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