问如何样式化我的视图以包装其中的内容

EN

/**
 * Sample React Native App
 * https://github.com/facebook/react-native
 *
 * @format
 * @flow
 */

import React, { Component } from 'react';
import { Text, View, Image, TextInput } from 'react-native';

class CountryCodeInput extends Component {
  state = { text: '' }
  constructor(props) {
    super(props)
  }

  componentDidMount() {
  }

  onTextChange(text) {
    if (/^\d+$/.test(text) || text === "") {
     this.setState({ text })
    }
    // this.props.onTextChange(text)
  }

  render() {
    return (
      <View style={{flex: 1, flexDirection: "row", marginRight: 0, backgroundColor: 'red', alignSelf:'baseline', flexWrap: "wrap"}}>
      <Text style={{backgroundColor:"yellow"}}>+</Text>
        <TextInput 
        onChangeText={(text)=>this.onTextChange(text)} 
        maxLength={3} 
        keyboardType="numeric"
        style={{backgroundColor:"grey", borderBottomColor: 'black', borderBottomWidth: 1, fontSize: 16, height: 24, width: 36, paddingVertical: 4 }}
        value={this.state.text} />
      </View>
    );
  }
}


export default CountryCodeInput