[英]Can I add extra callback to this.props.children on React Native?
假设this.props.children [0]是来自父级的TouchableOpacity。
我想在这里添加额外的回调。 我想要什么? 我找不到任何解决方案。
谢谢。
export default class NewClassXXX extends React.Component{
render()
{
newchildren = React.Children.map(this.props.children, (child) => {
//child is TouchableOpacity class in my code ***
//I want to add LongPress callback by coding HERE. (like below)
child.onLongPress = () => console.log('SUCESSS!!!'); //this code does not work.
return child;
}
return {newchildren}
}
使用React.cloneElement
方法来实现这一点
export default class NewClassXXX extends React.Component{
render()
{
newchildren = React.Children.map(this.props.children, (child) => {
return React.cloneElement(child, {onLongPress: () => console.log('SUCESSS!!!')})
}
return {newchildren}
}
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.