Animation Tools
Material design introduced many nifty animations. Some of them can be achieved quickly. Others require more work, but Android provides some tools to help you out.
Circular reveal
The circular reveal animation is used in material design to look like an ink flood-fill. A view or piece of content is progressively revealed outward from a point of interaction, usually a point pressed by the user. Figure 35.6 gives you an idea of what a circular reveal can bring to the party.
Figure 35.6 Circular reveal from pressing an item in BeatBox
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