react-native-halloween-spin.js

class Pumpkin extends Component {
  constructor() {
    super();
    this.spinValue = new Animated.Value(0);
  }

  componentDidMount() {
      this.spin();
  }

  spin() {
    this.spinValue.setValue(0);
    Animated.timing(this.spinValue, {
      toValue: 1,
      duration: 4000,
      easing: Easing.linear
    }).start(() => this.spin());
  }

  render() {
    const spin = this.spinValue.interpolate({
      inputRange: [0, 1],
      outputRange: ["0deg", "360deg"]
    });

    return (
        <Animated.Image
          source={require("./img/pumkin.gif")}
          style={{
            width:200,
            height:200,
            transform: [{ rotate: spin }]
          }}
        />
    );
  }
}