Bubble Tab Bar
A white bottom tab bar on a dark screen whose active tab rises out of the bar as a round bubble, sitting in a bite cut from the bar's top edge. Changing tabs closes the bite, glides the bubble to the new tab with a slight overshoot and opens the bite under it again a moment later, so the bar behaves like a liquid; the icons cross-fade between the bar and the bubble, and the page above cross-fades its heading.
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React Native · Expo SDK 52+, TypeScript
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