How to use Canvas Signature Pad in React Native?

Hi Guys,

If you need to see example of how to use signature pad in react native. In this article, we will implement a how to create signature pad in react native. if you have question about signature pad example in react native then I will give simple example with solution. I explained simply step by step react native signature pad example. Follow bellow tutorial step of how to implement signature pad in react native.

Let's start following example:

In the first step run the following command to create a project.

expo init ExampleApp

First of all you have to install react-native-signature-canvas package.

npm install --save react-native-signature-canvas

In this step, You will open the App.js file and put the code.

import React, { useState } from "react";
import { StyleSheet, View, Image, StatusBar } from "react-native";
import Signature from "react-native-signature-canvas";

const App = () => {
    const [signature, setSign] = useState(null);

    const handleOK = (signature) => {
        console.log(signature);
        setSign(signature);
    };

    const handleEmpty = () => {
        console.log("Empty");
    };

    const style = `.m-signature-pad--footer
    .button {
      background-color: red;
      color: #FFF;
    }`;

    return (
        <View style={styles.container}>
            <View style={styles.preview}>
                {signature ? (
                    <Image
                        resizeMode={"contain"}
                        style={styles.image}
                        source={{ uri: signature }}
                    />
                ) : null}
            </View>
            <Signature
                onOK={handleOK}
                onEmpty={handleEmpty}
                descriptionText="Sign"
                clearText="Clear"
                confirmText="Save"
                webStyle={style}
                autoClear={true}
            />
            <StatusBar />
        </View>
    );
}

const styles = StyleSheet.create({
    container: {
        flex: 1,
        padding: 20,
    },
    preview: {
        backgroundColor: "#c6c3c3",
        justifyContent: "center",
        alignItems: "center",
        marginTop: 15,
        marginBottom: 20,
    },
    image: {
        width: 335,
        height: 200,
    },
});

export default App;

In the last step run your project using the below command.

expo start

You can QR code scan in Expo Go Application on mobile.

It will help you...