Use NativeDriver required

[Srreven]

Recent React-natives required "useNativeDriver" option to be specified

Animated.timing(this._animation_state.dot_opacities[which_dot], {
      toValue: this._animation_state.target_opacity,
      useNativeDriver : true,
      duration: this.props.animationDelay
    }).start(this.animate_dots.bind(this, next_dot));