Episode 209: Compose animations

Android Developers Backstage

In this episode Chet, Romain and Tor chat with Doris Liu from the Compose team about animations in Compose -- covering everything from the basic primitives up to the recently added Shared Element Transitions.

Chapters: Intro (00:00) Animation capabilities of Compose (1:06) Different types of animation specs (3:43) Layers of functionality, transitions (7:49) TargetBasedAnimation (9:48) Vectors & velocity of color change (12:43) Second layer parallel to animation spec (16:39) Animation interruptions (18:48) Motion layout problem-solving (20:19) Both scale and move in question (25:45) Different mental models for layout animation in Compose vs. View (26:20) Shared element (31:05) Are there things you wish more people were aware of? (34:19) What's the tooling story for this? (41:57) What is Look Ahead? (43:16) All software is regret (48:49) New API: Modifier.animateBounds (51:52) How to reach Doris – leave a comment (55:57) Motion Frame of Reference Placement (57:29) Wrap up (59:10)

Links: Shared element tutorial → https://goo.gle/3XrGYp5 Shared element talk → https://goo.gle/47tm3qm A quick guide to compose animations → https://goo.gle/3Tm853p The API layers except the highest level APIs we chatted about in the podcast → https://goo.gle/3MGsiNE

Doris: @doris4lt

Romain: @romainguy, threads.net/@romainguy, [e-mail]

Tor: threads.net/@tor.norbye and [e-mail]

Chet: @chethaase, threads.net/@chet.haase, and [e-mail]

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