Here is a guide (video instructions) on how to fix the problem that a project cannot be compiled:
"App Inventor is unable to compile this project."
Possible reason: there is a project in a project.
Caused by an extension that was imported from another AppInventor clone (here: AppyBuilder).
This issue is now also increasingly reported in App Inventor, e.g. here: My app is getting server issues and here: Unable to build apk!
See here how to fix this:
(added to FAQ)
5 posts were split to a new topic: App Inventor is unable to compile this project. The compiler error output was
it doesn't work for me I don't know how to do it I tried and tried again you don't have any other ideas
Post the aia.
Hi there, I followed this post but the project still fails to compile.
Please check the attached aia file.
ps. I tried to upload the aia file in this forum but failed.
See the video here:
In screen recipes_screen there was also a duplicate declaration of when start1 click, which also led compile to fail. Removed from above aia
Thanks for your quick response.
This __MACOSX folder was accidentally added by MacOS's compression util.
Thanks, this app works like a charm now.
@Anke I tried your video but it is not working. Kindly help me.
Smart_Locker_v1_mod (1).aia (1.3 MB)
