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

export default class App extends React.Component {
  onButtonPress = () => {}
  render() {
    return (
      <View style={styles.container}>
        <TouchableOpacity
          style={styles.button}
          onPress={this.onButtonPress}
        >
          <Text style={styles.buttonText}>Button</Text>
        </TouchableOpacity>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#fff',
    alignItems: 'center',
    justifyContent: 'center',
  },
  button: {
    backgroundColor: '#33ccff',
    borderRadius: 100,
    padding: 30
  },
  buttonText: {
    color:'#fff',
    fontSize: 30
  }
});