import React from 'react';
import { Button, Text, View, StyleSheet } from 'react-native';

export default function App() {
  let contador = 3;

  return (
    <View style={styles.container}>
      <Text>Clique aqui</Text>
      <Button title={contador}></Button>
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    backgroundColor: '#ecf0f1',
    padding: 8,
  },
});