Replicating Twitter's bird zoom startup animation (in Swift!)Twitter recently updated its iOS app with a really cool startup animation that transitions from the Default.png to the timeline view. The animation uses the Twitter bird as a window into the timeline view, and then zooms it in. Here’s a demo: Replicating the basic animation it is fairly easy. To make the starting point as simple as possible, I used a screenshot of my timeline rather than a full-bl
