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I am building a simple search app through MIT AppInventor. I have had no problems in querying my spreadsheet shared as public on the cloud.
Suddenly, for no reason, my GET request to the HTTP fails with a response code of -1. I have looked everywhere but can’t find an explanation for this -1 code.
Let me repeat that the same block of codes was working perfectly fine until this happened. Now I can’t figure out what is going wrong. Any help will be much appreciated.
I solved this problem when I found out that my target spreadsheet link, which used to start with http:// was changed to https://. I found that my browser redirected me to https:// when I tried to run my query directly on the web. So changing that in my code fixed the issue.