I've been working on an app that utilizes this user interaction, and what I've come up with is double tap to take a picture. Don't focus until you're sure there's no second tap (a few hundred ms). Or you could always just add a simple camera button, which solves this problem.
How do I focus?
I've been working on an app that utilizes this user interaction, and what I've come up with is double tap to take a picture. Don't focus until you're sure there's no second tap (a few hundred ms). Or you could always just add a simple camera button, which solves this problem.