How to invoke dart code from kotlin code?

Question

I have a flutter application where I have written kotlin code and I have set up method channel to communicate. There is a method in kotlin code which is invoked periodically by alarmManager. I want this method to call another method written on the dart side. How can I make this happen?

most likely you need https://api.flutter.dev/flutter/services/EventChannel-class.html — pskink, Oct 03 '22 at 11:05
I don't think Event Channel can be used for 2 way communication — Pro, Oct 03 '22 at 11:06
it can, you put events into the channel on kotlin side and listen to those events on dart side, call any function you want in the stream.listen lambda https://api.flutter.dev/flutter/dart-async/Stream/listen.html — eeqk, Oct 03 '22 at 11:37
See: https://stackoverflow.com/questions/50187680/how-to-call-methods-in-dart-portion-of-the-app-from-the-native-platform-using-m/50188557#50188557 — Richard Heap, Oct 03 '22 at 14:27

score 1 · Answer 1 · answered Oct 03 '22 at 14:16

1

MethodChannel works in both directions.

Create another channel for methods dart provides. Call setMethodCallHandler to handle incoming methods in dart and then call invokeMethod from Android invoke one.

answered Oct 03 '22 at 14:16

user18309290

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There's no need to create another channel; you can use the normal Dart->native channel bidirectionally. – Richard Heap Oct 03 '22 at 14:30
How will I use the invokeMethod from a different Activity which is triggered by the alarmManager? – Pro Oct 03 '22 at 17:04
Check out https://pub.dev/packages/workmanager – Richard Heap Oct 05 '22 at 20:17

How to invoke dart code from kotlin code?

1 Answers1