showInAppMessageAndroid method
Android only, Google Play will show users messaging during grace period and account hold once per day and provide them an opportunity to fix their payment without leaving the app
Implementation
Future<String?> showInAppMessageAndroid() async {
if (!_platform.isAndroid) return Future.value("");
_onInAppMessageController ??= StreamController.broadcast();
return await _channel.invokeMethod('showInAppMessages');
}