边框半透明、内容透明

边框半透明、内容透明.ts

import React, { Component } from 'react'
import { StyleSheet, View } from 'react-native'

class App extends Component {

  public render() {
    return (
      <View style={styles.container} />
    )
  }
}

const styles = StyleSheet.create({
  container: {
    backgroundColor: 'rgba(255, 255,255, 0)',
    borderBottomWidth: 100,
    borderColor: 'rgba(0, 0, 0, 0.3)',
    borderLeftWidth: 50,
    borderRightWidth: 50,
    borderStyle: 'solid',
    borderTopWidth: 100,
    flex: 1,
  },
})

export default App