JSPM

import SMSVerifyCode from 'react-native-sms-verifycode'
...
<SMSVerifyCode
  ref={ref => (this.verifycode = ref)}
  onInputCompleted={this.onInputCompleted}
  containerPaddingHorizontal={30}
/>

onInputCompleted = (text) => {
    Alert.alert(
      text,
      '本次输入的验证码',
      [
      	{
          text: '确定',
        },
      ]
    )
}

reset = () => {
    this.verifycode.reset()
    this.setState({codeText: ''})
}
...        

import SMSVerifyCode from 'react-native-sms-verifycode'
...
<SMSVerifyCode
  verifyCodeLength={4} // Set any number as needed, type must be number
/>

import SMSVerifyCode from 'react-native-sms-verifycode'
...
<SMSVerifyCode
  verifyCodeLength={5}
  containerPaddingVertical={10}
  containerPaddingHorizontal={50}
  containerBackgroundColor={'#8DC647'}
/>
...        

import SMSVerifyCode from 'react-native-sms-verifycode'
...
<SMSVerifyCode
  verifyCodeLength={6}
  containerPaddingVertical={10}
  containerPaddingHorizontal={50}
  containerBackgroundColor="#8DC647"
  codeViewBorderColor="#000000"
  focusedCodeViewBorderColor="#0000FF"
  codeViewBorderWidth={3}
  codeViewBorderRadius={16}
/>
...        

import SMSVerifyCode from 'react-native-sms-verifycode'
...
<SMSVerifyCode
  verifyCodeLength={5}
  codeFontSize={26}
  // codeColor={'#89C047'}
/>
...