There’s now loop animation available:
Animated.loop(
Animated.sequence([
Animated.timing(this.state.animatedStartValue, {
toValue: 1,
duration: 500,
delay: 1000
}),
Animated.timing(this.state.animatedStartValue, {
toValue: 0,
duration: 500
})
]),
{
iterations: 4
}
).start()