Repeat animation with new animated api

Question

React-native introduce new Animated API, I want to make a loop animation such as a bubble scale up then scale down and repeat that progress.

However I can n

Answer 1

improved version of @bcomerford answer

//this.state.animatedStartValue = 0;

function cycleAnimation() {
  Animated.sequence([
    Animated.timing(this.state.animatedStartValue, {
      toValue: 1,
      duration: 500,
      delay: 1000
    }),
    Animated.timing(this.state.animatedStartValue, {
      toValue: 0,
      duration: 500
   })
  ]).start(event => {
    if (event.finished) {
      cycleAnimation();
    }
  });
}