Animations are an important part of an app's design and user experience, so much so that Google made them an integral part of material design. The folks at Airbnb just made making an animation a whole lot easier, with a new tool called 'Lottie.'

Lottie is an open-source library for iOS, Android, and React Native that renders animations in real time. This means that animations such as the 'hamburger-to-back-arrow' animation is now easy and simple to create. The library uses an open-source After Effects plugin, Bodymovin, as its base, which enables Lottie to use data exported from After Effects as JSON files to animate in real time on the device.

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