I am having problems with the File component method AppendToFile recently in both the Companion (ver 2.65). I have added the screen method ErrorOccurred with a Notifier to display the message. The filename for the method is /Download/Data2210231600.csv. From the compiled app the results are as fol…

Hi apologies to all. It was my bad programming. The file writing was happening inside a timer loop and I was using a variable inside the loop to store the filename. Changed this to a Global variable and all OK. I think Android 13 has got to me. Thanks for the suggestions. Iain

Problem with App Inventor Built: October 19 2022 Version: nb190b

MIT App Inventor Help

ChrisWard October 25, 2022, 6:30pm 2

Hello Iain

You can only write to the file in Download if your App created the file - I assume that it did not, given it's location. I suggest you download to the App's ASD instead. Use Anke's extension version2: