example3.jsx

class App extends Component {
  render() {
    return <TopBarNotification />
  }
}

class TopBarNotification extends Component {
  render() {
    return <Notification />
  }
}

class Notification extends Component {
  render() {
    return (
      <View>
        <Image source={this.props.avatar} />
        <Text>Nova Mensagem</Text>
        <Text>{this.props.message}</Text>
      </View>
    )
  }
}