Example

示例

import React, { Component } from 'react';
import {  Button, } from 'react-native';
export  class pageComponent extends Component {
    onPressLearnMore=()=>{
        alert('点击了我')
    }
    render() {
        return (
            <Button
                onPress={this.onPressLearnMore}
                title="Learn More"
                color="#841584"
                accessibilityLabel="Learn more about this purple button"
            />
        );
    }
}