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import React, {useEffect} from 'react'; | |
import {View, Button, StyleSheet} from 'react-native'; | |
import Animated, { | |
Easing, | |
useAnimatedProps, | |
useDerivedValue, | |
useSharedValue, | |
withSpring, | |
withTiming, | |
} from 'react-native-reanimated'; | |
import {TextInput} from 'react-native-gesture-handler'; | |
import Svg, {G, Circle} from 'react-native-svg'; | |
const AnimatedCircle = Animated.createAnimatedComponent(Circle); | |
const AnimatedTextInput = Animated.createAnimatedComponent(TextInput); | |
const CircleProgress = ({ | |
percentage = 30, | |
radius = 200, | |
strokeWidth = 25, | |
color = 'tomato', | |
textColor, | |
max = 100, | |
}) => { | |
const circleRef = React.useRef(); | |
const inputRef = React.useRef(); | |
const halfCircle = radius + strokeWidth; | |
const circumference = 2 * Math.PI * radius; //Formula | |
const animatedValue = useSharedValue(0); | |
const animatedPropsCircle = useAnimatedProps(() => ({ | |
strokeDashoffset: withTiming(animatedValue.value, { | |
duration: 2000, | |
easing: Easing.out(Easing.ease), | |
}), | |
})); | |
const animatedPropsText = useAnimatedProps(() => { | |
return { | |
text: String(withTiming(animatedValue.value, {duration: 8000})), | |
}; | |
}); | |
const stepText = useDerivedValue(() => { | |
return String(Math.ceil(animatedValue.value)); | |
}); | |
useEffect(() => { | |
const maxPerc = (100 * animatedValue.value) / max; | |
const strokeDashoffset = circumference - (circumference * maxPerc) / 100; | |
animatedValue.value = strokeDashoffset; | |
console.log('strokeDashoffset', strokeDashoffset); | |
}, [animatedValue]); | |
return ( | |
<View style={{flex: 1, alignItems: 'center', justifyContent: 'center'}}> | |
<Svg | |
width={radius * 2} | |
height={radius * 2} | |
viewBox={`0 0 ${halfCircle * 2} ${halfCircle * 2}`}> | |
<G rotation="-90" origin={`${halfCircle}, ${halfCircle}`}> | |
<AnimatedCircle | |
animatedProps={animatedPropsCircle} | |
ref={circleRef} | |
cx="50%" | |
cy="50%" | |
stroke={color} | |
strokeWidth={strokeWidth} | |
r={radius} | |
fill="transparent" | |
strokeLinecap="round" | |
strokeDasharray={circumference} | |
/> | |
<Circle | |
cx="50%" | |
cy="50%" | |
stroke={color} | |
strokeWidth={strokeWidth} | |
r={radius} | |
fill="transparent" | |
strokeOpacity={0.2} | |
/> | |
</G> | |
</Svg> | |
<AnimatedTextInput | |
underlineColorAndroid="transparent" | |
editable={false} | |
animatedProps={animatedPropsText} | |
value={stepText.value} | |
ref={inputRef} | |
style={[ | |
StyleSheet.absoluteFillObject, | |
{ | |
fontSize: radius / 3, | |
color: textColor ?? color, | |
fontWeight: '900', | |
textAlign: 'center', | |
bottom: 30, | |
}, | |
]} | |
/> | |
<Button | |
title="toggle Circle" | |
onPress={() => { | |
animatedValue.value = Math.floor(Math.random() * 50); | |
}} | |
/> | |
</View> | |
); | |
}; | |
export default CircleProgress; |
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