Beware of SQLite and the Turkish Locale
Today I came across a truly puzzling issue on Android. An otherwise tried and tested application crashed consistently when running on a device using Turkish as the current locale. App crashing on a Turkish device The problem occurs in a large app developed for a customer, inside a proprietary binary component, so no direct debugging was possible. All I had available was a vague stack trace showing the root problem to be a NullPointerException from trying to parse an integer: Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.Integer.intValue()' on a null object reference Not much to go on, the goal was now to figure out just what could cause such a problem just from running on a device using Turkish Locale. Having spent some time on Google, searching for other people's trouble with the Turkish Locale, it became clear that there are issues with lowercase Strings in Turkish. I started working on a small isolate...