Very quick reply as I don’t have much time to get into the details of this.
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Basic way
Have a set of properties in a Module. In the MobileScreen.Activate event check if these properties hold new values you should use to update the UI. -
Delegate / callback
Set a Delegate method the child view should callback to, using the delegate.invoke method.
The child view will call that to update the UI with whatever values you need. -
Notification observer
Using Jason King’s iOSKit, use the notification observer pattern to send the new values needed to update the UI.