2mo ago

Flutter: Performance issues when opacity of 0 applied to RiveAnimation

I created an issue in the GitHub repo: https://github.com/rive-app/rive-flutter/issues/408

Performance issues when opacity of 0 applied to RiveAnimation. · Issue #408 · rive-app/rive-flutter Description A very strange and simple bug, but it's reproducible 100% of the time. When we wrap RiveAnimation with an Opacity of 0, it causes Flutter to render endlessly. Any opacity value above 0 ...

4 replies

2mo ago

Hi ! Thanks for reporting this, will share this with our developers.

2mo ago

Hi I can confirm the issue you're seeing. It's to do with the way that we advance an animation, which happens during the paint method, which Flutter appears not to call when a parent has 0 opacity. It's an easy fix, but we need to consider Golden Tests, and introduce the change in a way that won't break those. An animation being off by a few milliseconds for example.

We'll look into it

2mo ago

Thank you! Looking forward to a fix!

1m ago

Forgot to reply here, this is fixed in the latest version of the runtime.