componentDidMount () {
  if (Platform.OS === 'android') {
    Linking.getInitialURL().then(url => {
      if (url) {
        this.myFunc(url)
      }
    })
  }

  Linking.addEventListener('url', (event) => { this.myFunc(event.url) })
}

myFunc = (url) => {
  Alert.alert(
    `Deep link: ${url}`
  )
}