I came across a rather obscure bug today, while trying to submit my app Tap That! Number to the Amazon Appstore. I received a rejection notice detailing several problems with my app, including this strange one:
Application’s “Feedback” functionality “Facebook” option is not working.
At first I had no idea what this meant. My app never mentions Facebook at all. The only “Feedback” option I have is a menu item designed to send an email to the developer.
After digging around a bit, I found that the code I was using to launch an email intent was also recognising Facebook and presenting it in the list of available apps. Here’s the code I was using: