iOS 加载RN页面的交互错误 #976
Description
环境
Xcode 16.2
react-native@0.78.0
问题描述如下：
- 在同一个iOS 的App中，
1、加载 RN 页面 A 时出现错误，加载页面 B 正常
2、相同的 RN 页面 A 从远端拉取时出现错误，放在本地运行正常。
3、加载的A页面能显示出来，但随后弹出红屏错误，错误提示内容如下
Error: Unsupported top level event type "topSvgLayout" dispatched, js engine: hermes
其中package.json 中svg的相关引入如下
"react-native-svg": "^15.11.2",
在项目下，终端执行cat node_modules/react-native-svg/package.json | grep version
执行后输出是"version": "15.13.0"
其中A页面的部分RN/svg相关代码如下：
import React, { useRef, useState, useEffect } from 'react';
import {
View,
Image,
PanResponder,
StyleSheet,
Dimensions,
ImageEditor,
} from 'react-native';
import Svg, { Circle } from 'react-native-svg';
import { scaleWidth, scaleHeight, scaleFont } from '../../utils/ScreenAdapter';
const WHEEL_SIZE = scaleWidth(280);
const SAMLL_WHEEL = scaleWidth(190);
const RADIUS = WHEEL_SIZE / 2;
const SAMLL_RADIUS = SAMLL_WHEEL / 2;
const SAMLL_CIRCLE = scaleWidth(16);
const SAMLL_CIRCLE_RADIUS = SAMLL_CIRCLE / 2;
const ColorWheelWith = (WHEEL_SIZE - SAMLL_WHEEL) / 2;
const ColorWheelWithRadius = ColorWheelWith / 2;
const ColorWheel = ({ imageSource,onColorChange, hue ,sliderSatVal , sliderLightVal }) => {
console.log('ColorWheel....',hue);
const [handlePos, setHandlePos] = useState({ x: RADIUS, y: SAMLL_CIRCLE });
const [layout, setLayout] = useState(null);
const [color, setCenterColor] = useState(180);
const [satVal, setsatVal] = useState(sliderSatVal);
const [lightVal, setlightVal] = useState(sliderLightVal);
useEffect(() => {
if (hue == null) return;
const center = { x: RADIUS, y: RADIUS };
const { x, y } = getHandlePositionFromHue(360-hue, SAMLL_RADIUS+ColorWheelWithRadius, center);
console.log('xy....',x+"..."+y);
setHandlePos({ x, y });
}, [hue, layout]);
useEffect(() => {
setsatVal(sliderSatVal==0?1:sliderSatVal)
}, [sliderSatVal]);
useEffect(() => {
setlightVal(sliderLightVal==0?0.1:sliderLightVal/100)
}, [sliderLightVal]);
const imageRef = useRef();
const panResponder = useRef(
PanResponder.create({
onStartShouldSetPanResponder: () => true,
onPanResponderGrant: evt => {
handleTouch(evt.nativeEvent);
},
onPanResponderMove: evt => {
handleTouch(evt.nativeEvent);
},
onPanResponderRelease:evt => {
handleTouch(evt.nativeEvent,true);
},
})
).current;
const handleTouch = async (nativeEvent,flag=false) => {
const { locationX, locationY } = nativeEvent;
const dx = locationX - RADIUS;
const dy = locationY - RADIUS;
const distance = Math.sqrt(dx * dx + dy * dy);
const angle = (Math.atan2(dy, dx) * 180) / Math.PI;
let hue = (angle + 360) % 360;
const center = { x: RADIUS, y: RADIUS };
const { x, y } = getHandlePositionFromHue(hue, SAMLL_RADIUS + ColorWheelWithRadius, center);
setHandlePos({ x, y });
onColorChange?.(hue,flag);
};
const getHandlePositionFromHue = (hue, radius, center)=>{
setCenterColor(360-hue)
const rad = hue * (Math.PI / 180);
const x = center.x + radius * Math.cos(rad);
const y = center.y + radius * Math.sin(rad);
return { x, y };
}
return (
<View style={styles.container} {...panResponder.panHandlers} >
<Image
ref={imageRef}
source={imageSource}
style={styles.wheelImage}
onLayout={(e) => {
const { width, height } = e.nativeEvent.layout;
setLayout({ width, height });
}}
resizeMode="contain"
/>
<Svg style={StyleSheet.absoluteFill}>
<Circle
cx={handlePos.x}
cy={handlePos.y}
r={SAMLL_CIRCLE}
fill="none" //#fff
stroke="#fff"
strokeWidth={4}
/>
</Svg>
<View style={[styles.colorSmallRound,{backgroundColor:`hsla(${color}, ${satVal}%, 50%,${lightVal})`}]}>
<Image resizeMode='contain' style={styles.colorSmallRoundImg} source={require('../../assets/light/images/lightIcon.png')} />
</View>
</View>
);
};
function hsvToRgb(h, s, v) {
let f = (n, k = (n + h / 60) % 6) =>
v - v * s * Math.max(Math.min(k, 4 - k, 1), 0);
return {
r: Math.round(f(5) * 255),
g: Math.round(f(3) * 255),
b: Math.round(f(1) * 255),
};
}
function rgbToHsv(r, g, b) {
r /= 255; g /= 255; b /= 255;
const max = Math.max(r, g, b), min = Math.min(r, g, b);
const d = max - min;
let h = 0, s = max === 0 ? 0 : d / max, v = max;
if (d !== 0) {
switch (max) {
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
case g: h = (b - r) / d + 2; break;
case b: h = (r - g) / d + 4; break;
}
h *= 60;
}
return { h, s, v };
}
function rgbToHex(r, g, b) {
return "#" + [r, g, b].map(x => x.toString(16).padStart(2, '0')).join('');
}
function hexToRgb(hex) {
const bigint = parseInt(hex.replace('#', ''), 16);
return {
r: (bigint >> 16) & 255,
g: (bigint >> 8) & 255,
b: bigint & 255,
};
}
const styles = StyleSheet.create({
container: {
width: WHEEL_SIZE,
height: WHEEL_SIZE,
alignItems: 'center',
justifyContent: 'center',
position: 'relative',
},
wheelImage: {
width: WHEEL_SIZE,
height: WHEEL_SIZE,
borderRadius: WHEEL_SIZE / 2,
},
colorSmallRound:{
width: 100,
height: 100,
borderRadius: 50,
position: 'absolute',
justifyContent: 'center',
alignItems: 'center',
},
colorSmallRoundImg:{
width: 40,
},
});
export default ColorWheel;
- 根据以上描述，作为iOS OC端，该怎么解决这个问题（Error: Unsupported top level event type "topSvgLayout" dispatched, js engine: hermes），还请详细解答，非常感谢