I'm hoping someone might be able to help. I have an App Inventor app that has been operating happily for several years. The App takes data from a received SMS, operates on the data then responds with an SMS back to the source of the original SMS.
In the last few days the App has started behaving in a different way to usual. After the App successfully takes the data from the received SMS the Android device (phone) jumps to the messaging app and stops - waiting for the responding SMS to be manually sent. Up until now, after the App Inventor App received the SMS, it sent the response SMS and continued with the running App - waiting for the next SMS to be received.
I'm using the same messaging app, the same App Inventor App and the same phone (although I have tried a different phone and it behaves the same (interrupted) way.
Any help would be appreciated..