BAFluidView

As a standard UIView subclass, it can be added to any iOS project with minimal code, similar to using native views, as highlighted in the easy integration feature.

Offers adjustable fill color, maximum fill level, and animation duration, allowing basic tailoring to app themes, as specified in the Key Features.

Uses Core Animation layers for smooth rendering, ensuring fluid effects don't degrade app performance on modern iOS devices, as noted in the layer-based animation description.

Designed specifically for 2D filling effects without unnecessary complexity, making it easy to understand and implement, in line with its philosophy of avoiding complex physics.