handlePush method
If the push message
is for Intercom then use this method to let
Intercom handle that push.
Implementation
@override
Future<void> handlePush(Map<String, dynamic> message) async {
if (!message.values.every((item) => item is String)) {
throw new ArgumentError(
'Intercom push messages can only have string values');
}
return await _channel
.invokeMethod<void>('handlePush', {'message': message});
}