react-native-otp-autocomplete

This library was forked from react-native-otp-verify that was deprecated.

It uses Automatic SMS Verification with the SMS Retriever API.
With the SMS Retriever API, you can perform SMS-based user verification in your Android app automatically, without requiring the user to manually type verification codes, and without requiring any extra app permissions.

## Message Format/Structure
In order to detect the message, SMS message must include a hash that identifies your app. This hash can be obtained by using the getHash() method below.

Please read the official documentation for the message structure at this
Google developer guide

Getting started

$ npm install react-native-otp-autocomplete --save
or
$ yarn react-native-otp-autocomplete

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$ react-native link react-native-otp-autocomplete

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1. Open up android/app/src/main/java/[...]/MainActivity.java
- Add import com.jmlavoier.OtpAutocomplete.RNOtpAutocompletePackage; to the imports at the top of the file
- Add new RNOtpAutocompletePackage() to the list returned by the getPackages() method
2. Append the following lines to android/settings.gradle:
``gradle
include ':react-native-otp-autocomplete'
project(':react-native-otp-autocomplete').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-otp-autocomplete/android')
`
3. Insert the following lines inside the dependencies block in android/app/build.gradle:
`gradle
compile project(':react-native-otp-autocomplete')
`

Usage


`javascript
import OtpAutocomplete from 'react-native-otp-autocomplete';

const getHash = () =>
OtpAutocomplete.getHash()
.then(console.log)
.catch(console.log);

const startListeningForOtp = () =>
OtpAutocomplete.getOtp()
.then(p => OtpAutocomplete.addListener(otpHandler))
.catch(p => console.log(p));

const otpHandler = (message: string) => {
const otp = /(\d{4})/g.exec(message)[1];
this.setState({ otp });
OtpAutocomplete.removeListener();
Keyboard.dismiss();
}

useEffet(() => {
startListeningForOtp();

return () => OtpAutocomplete.removeListener();
}, [startListeningForOtp]);


``

#### Methods
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Start listening for OTP/SMS. Return true if listener starts else throws error.

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Gets the hash code for the application which should be added at the end of message.
This is just a one time process.

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Adds a javascript listener to the handler passed which is called when message is received.

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Removes the listener.

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