The last how-to I published had some backstories. It’s always easier to input a pattern lock when it only has 8-direction: up, down, left, right and 4 diagonals. But security-wise, having more options is always more preferable. This is one of the weakness of the pattern lock; you might as well use a simple PIN…

PSA before we begin: if you are using pattern lock on your device as primary method of authentication, find alternatives. Pattern lock is unsafe. There is a reason why password managers don’t try supporting it. Compared to that of PIN, the safety provided by pattern lock is mediocre at best even with the best of…