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import React from 'react';
import {
StyleSheet,
View,
Animated,
Easing,
ViewPropTypes,
} from 'react-native';
import PropTypes from 'prop-types';
import { RkTheme } from 'react-native-ui-kitten';
export class ProgressBar extends React.Component {
static propTypes = {
width: PropTypes.number.isRequired,
progress: PropTypes.number,
color: PropTypes.string,
style: ViewPropTypes.style,
};
static defaultProps = {
progress: 0,
color: RkTheme.current.colors.accent,
style: {},
};
state = {
progress: new Animated.Value(0),
};
componentDidUpdate(prevProps) {
if (this.props.progress >= 0 && this.props.progress !== prevProps.progress) {
this.animate(this.props.progress);
}
}
animate = (endValue) => {
Animated.timing(this.state.progress, {
easing: Easing.inOut(Easing.ease),
duration: 500,
toValue: endValue,
}).start();
};
render() {
const width = this.state.progress.interpolate({
inputRange: [0, 1],
outputRange: [0, this.props.width],
});
return (
<View style={[styles.container, this.props.style, { width: this.props.width }]}>
<Animated.View style={[styles.value, { width }, { backgroundColor: this.props.color }]} />
</View>
);
}
}
const styles = StyleSheet.create({
container: {
height: 3,
},
value: {
height: 3,
},
});
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