React Native Canvas test code

gistfile1.txt

import React from "react";
import { StyleSheet, Text, View } from "react-native";
import Canvas from "react-native-canvas";

export default class App extends React.Component {
  handleCanvas = canvas => {
    const ctx = canvas.getContext("2d");
    ctx.fillStyle = "purple";
    ctx.fillRect(0, 0, 100, 100);
  };

  render() {
    return (
      <View style={styles.container}>
        <Canvas ref={this.handleCanvas} />
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: "#fff",
    alignItems: "center",
    justifyContent: "center"
  }
});