[Animated] The synthetic AnimateValue can not listen.

[bolan9999]

• Review the documentation: https://facebook.github.io/react-native
  YES
• Search for existing issues: https://github.com/facebook/react-native/issues
  YES
• Use the latest React Native release: https://github.com/facebook/react-native/releases
  YES

Environment

Any

Description

I tried to listen a synthetic AnimateValue like this:

const c = Animated.add(a,b);
c.addListener(...);

But I failed. Why can't listen it?

Reproducible Demo

Does not need.

[react-native-bot]

It looks like your issue may be missing some necessary information. Can you run react-native info and edit your issue to include these results under the Environment section?

[bolan9999]

Does not need environment info