juanpe/jppopsequenceanimation

JPPopSequenceAnimation is a tool for iOS developers who want to play a series of animations back-to-back, automatically starting the next one as soon as the previous finishes. It's built on top of POP, a popular animation engine originally created by Facebook. On its own, POP lets you animate things like fading or moving a button, but it doesn't have a built-in way to chain multiple animations into an ordered sequence. This project fills that gap. At a high level, you create a list of individual animations, say, a fade-out followed by a fade-in, and hand them to the sequence animation tool. It then takes over, running each step in order and making sure they don't overlap or fire at the same time. You can tell it to run the whole sequence a fixed number of times or loop indefinitely. You can also pick which animation in the list to start from, which could be useful if you want to skip a step or resume mid-sequence. This would appeal to iOS developers building app interfaces where a single user action triggers a multi-step visual response. For example, if tapping a notification banner should make it slide in, pulse, and then gently fade out, this tool manages that whole chain so the developer doesn't have to manually track when each animation ends and trigger the next one. The project also includes callback hooks, meaning developers can get notified at key moments, when the sequence starts, pauses, resumes, stops, or moves to the next animation. This makes it possible to trigger other app logic at just the right time, like playing a sound the moment the second animation begins. It requires iOS 7 or higher and uses ARC (Automatic Reference Counting), which is just a standard iOS memory management feature developers already expect.