Anyone please tell me Exception Handing in mit app inventor

[Hai_Ahha]

Please tell me

[ewpatton]

If you are looking for a construct such as try-catch found in other languages, it does not exist in App Inventor. Errors that are raised by components and blocks are dispatched via the Screen's ErrorOccurred event.

[ABG]

FAQ Section: Debugging

Introductory Testing techniques, including Do It - MIT How to Read and Understand a Runtime Error Message - @ABG Common Runtime Errors - @TimAI2 Advanced Do It' to view procedure results, event arguments and local variables How to run Logcat How to use Do It in a loop Screen1.ErrorOccured message numbers SteveJG monster list of things you should not do How to show raw responseContent from your app when debugging - TimAI2 Video of copying Do It responseContent results into a board post…

See the last two links

[Hai_Ahha]

thank you