react-native触摸组件TouchableOpacity
发布时间:2020-12-15 06:27:36 所属栏目:百科 来源:网络整理
导读:效果图 代码示例 import React,{ Component } from 'react';import { StyleSheet,View,Text,TouchableOpacity,Alert} from 'react-native';type Props = {};export default class TouchableOpacityPage extends ComponentProps { render() { return( View st
效果图 代码示例 import React,{ Component } from 'react'; import { StyleSheet,View,Text,TouchableOpacity,Alert } from 'react-native'; type Props = {}; export default class TouchableOpacityPage extends Component<Props> { render() { return( <View style={styles.viewContainer}> <Text style={styles.textStyle} onPress={() => { Alert.alert("点击了Text"); }}> TouchableOpacity组件用于封装视图,使其可以正确响应触摸操作。当按下的时候,封装的视图的不透明度会降低。 </Text> <TouchableOpacity onPress={() => { Alert.alert("点击弹窗"); }}> <Text style={{margin:10,width:80,height:30,lineHeight:30,backgroundColor:"#F0F8FF",textAlign:'center'}}> 点击 </Text> </TouchableOpacity> <TouchableOpacity onPress={searchClick}> <Text style={{margin:10,width:50,backgroundColor:"#1E90FF",textAlign:'center'}}> 搜索 </Text> </TouchableOpacity> </View> ); } } const searchClick = () => { Alert.alert("点击搜索"); }; const styles = StyleSheet.create({ viewContainer: { margin:20,backgroundColor:"#D8BFD8",},textStyle: { margin:10,color:'red',} }); (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |