This plugin worked for Godot 3, using the old plugin API and is now archived. For Godot 4 use this one: https://github.com/cengiz-pz/godot-android-notification-scheduler-plugin

godot-android-notifications

An Android plugin for Godot 3 to send Android notifications

This plugin implements https://developer.android.com/guide/topics/ui/notifiers/notifications for Godot Engine.

Usage & Docs

Icon

create a icon_notification.png within the android resources in your godot project:

android/build/res/mimap/icon_notification.png

Compiling

Prerequisites:

• Android SDK (platform version 30)
• the Godot Android library (godot-lib.***.release.aar) for your version of Godot from the downloads page.

Steps to build:

1. Clone this Git repository
2. Put godot-lib.***.release.aar in ./godot-android-notifications/libs/
3. Run ./gradlew build in the cloned repository

If the build succeeds, you can find the resulting .aar files in ./godot-android-notifications/build/outputs/aar/.

Copy this .aar and GodotAndroidNotifications.gdap in your godot project, into:

android/plugins/.

You should get something like:

android/plugins
├── GodotAndroidNotifications.1.0.0.release.aar
├── GodotAndroidNotifications.gdap

Now export your Godot project using the custom build

API

You have 2 functions available on godot side

schedule

 var notifier = Engine.get_singleton('GodotAndroidNotifications')
 
 var notificationId = 'whatever, I use time stuff to get unique ids'

 notifier.schedule(
        'the title',
        'the message',
        secsToNextNotification,
        notificationId
)

cancel

You can store your notificationId anywhere, and use it to cancel the scheduling:

notifier.cancel(notificationId)

Development

• inspiration from: https://github.com/DrMoriarty/godot-local-notification/blob/master/android-plugin/
• reference plugin implementation : https://github.com/godotengine/godot-google-play-billing
• docs to create a plugin from godot: https://docs.godotengine.org/en/stable/tutorials/platform/android/android_plugin.html?highlight=notifications#introduction