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index.js
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index.js
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import React, { Component } from 'react';
import { View, Text, Image, Animated, StyleSheet, Easing } from 'react-native';
const styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: 'center',
alignItems: 'center'
}
});
class SpinningImage extends Component {
constructor() {
super();
this.state = { stopAnimation: false };
this.spinValue = new Animated.Value(0);
}
componentDidMount() {
this.spin();
}
spin() {
this.spinValue.setValue(0);
Animated.sequence([
Animated.delay(0 || this.props.delay),
Animated.timing(this.spinValue, {
toValue: 1,
duration: this.props.speed || 5000,
easing: Easing.linear
})
]).start(() => {
if (this.props.rotations > 0) {
if (this.props.rotations === 1) {
this.setState({ stopAnimation: true });
} else {
setTimeout(() => {
this.setState({ stopAnimation: true });
}, (this.props.rotations - 1) * (this.props.speed || 5000) - 500);
}
}
if (!this.state.stopAnimation) {
this.spin();
}
});
}
render() {
const { width, height, source, direction } = this.props;
const spinDirection = direction === 'counter' ? '-360deg' : '360deg';
const spin = this.spinValue.interpolate({
inputRange: [0, 1],
outputRange: ['0deg', spinDirection]
});
return (
<View style={styles.container}>
<Animated.Image
style={{
width: width || 200,
height: height || 200,
transform: [{ rotate: spin }]
}}
source={typeof source === 'string' ? { uri: `${source}` } : { source }}
/>
</View>
);
}
}
export default SpinningImage;