Where should the sign-in button go?
One of the questions that you face as a developer when implementing Google+ Sign-In (or any login method) is how to present the options to the user. Having reviewed a pretty large number of apps with sign-in, I thought it might be helpful to break down the four main approaches for displaying the buttons that I've seen, and some thoughts on the costs and benefits of them. A couple of points before we get into that: It's worth remembering that the best situation is when the user does not have to take any action at all. That's the idea behind cross platform single sign on and over-the-air installs. It's also why it is worth taking the time to make sure users stay signed-in after an app upgrade or releasing a new version of a website.Secondly, unless there are solid reasons not to, sign-in should always be paired with sign-up. Particularly on mobile devices this can be a missed opportunity where users are expected register on the web first. That said, in this post I want t…