MaikuB/flutter_local_notifications

[Feature request] Expose UNTimeIntervalNotificationTrigger with no repeat

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#2399 opened on Sep 4, 2024

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help wanted

Description

Hey! Currently, the plugin doesn't allow taking advantage of UNTimeIntervalNotificationTrigger with the repeat set to false and it would be really nice to have this possibility exposed within the Flutter plugin.

The plugin currently exposes periodicallyShow that uses UNTimeIntervalNotificationTrigger with the repeat true.

My use-case is using the plugin for showing a notification on closing the app. It works natively by running a scheduled notification with time interval trigger and no repeat, but does not by other means (it can also be safely called from Flutter side during app exiting so no problem on that part), but the plugin doesn't expose that.

Contributor guide

Tech stack
flutterdartios
Domain
mobile
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Basic Flutter knowledgeUnderstanding of local notifications on iOS
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
Investigate the current implementation of the 'periodicallyShow' method in the iOS plugin code (likely in Swift or Objective C). It uses UNTimeIntervalNotificationTrigger with repeat set to true. Create a new method that accepts a time interval and does not repeat, adding a new Dart API, updating the method channel, and implementing the native iOS side. Ensure the notification fires only once. Test on iOS simulator. Refer to the existing documentation and any related comments in the issue.