MaikuB/flutter_local_notifications

Callback on scheduled notification shown (Android)

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#1699 opened on Sep 12, 2022

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help wanted

Description

Now that the plugin is open to running Flutter code in the background, what about optionally firing a callback when a scheduled notification is shown to the user? I think it's only doable on Android, so it would probably be an optional callback in AndroidInitializationSettings, with similar restrictions as onDidReceiveBackgroundNotificationResponse in initialize().

If the idea sounds reasonable, I might be able to prepare a merge request on my own.

Contributor guide

Tech stack
flutterandroid
Domain
mobile
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
FlutterAndroid developmentBackground isolates
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40
Research direction
Investigate the Android plugin implementation, specifically the `AndroidInitializationSettings` class and how notifications are displayed. Look at the existing background callback `onDidReceiveBackgroundNotificationResponse` for patterns. Check comments in the issue for any maintainer guidance or linked PRs. The code is in the `flutter local notifications` repository under the `android` directory.