Crossplatform React-Native Cognito

React-Native implementation of AWS Cognito and Amplify SDK including login screens

Show me Components!

Install

This package makes use of our react-native-cross-components that are based on on react-native-paper. Paper which is therefore a peer dependency.

Native

Install with aws amplify and link it.

	npm i react-native-vector-icons
	npm i aws-amplify
	npm i react-native-paper
	npm i react-native-cross-cognito

	# one liner
	npm i react-native-vector-icons aws-amplify react-native-paper react-native-cross-cognito

	yarn add react-native-vector-icons
	yarn add aws-amplify
	yarn add react-native-paper
	yarn add react-native-cross-cognito

	# one liner
	yarn add react-native-vector-icons aws-amplify react-native-paper react-native-cross-cognito

Expo prev CRNA

	npm i react-native-cross-cognito

	yarn add react-native-cross-cognito

Documentation

See our GitHub Pages generated from code comments. This documentation is also available as intellisense / auto complete.

• API Documentation

See Components below for examples

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Table of Contents

• Install
  • Native
  • Expo prev CRNA
• Documentation
• Services and helpers
  • GetJwtToken
• Components
  • CognitoLogin

Table of contents generated with markdown-toc

Services and helpers

GetJwtToken

Gets the current user's Jwt token from AWS Cognito.

For documentation see API reference - GetJwtToken.

import { GetJwtToken } from 'react-native-cross-cognito';

const myToken = await GetJwtToken();

Components

CognitoLogin

Renders a complete login form using your Amplify token.

For properties and documentation, see API reference - Class CognitoLogin.

Examples

With success callback

	import { CognitoLogin } from 'react-native-cross-cognito';
	import amplify from './aws-exports';

	Amplify.configure(amplify);

	export const MyComp => () => (
		<CognitoLogin
			onRegisteredUser={(user) => {
				Alert.alert('Registration complete', 'Thank you ' + user.getUsername());
			}}
			onLoggedIn={(user) => {
				Alert.alert('Logged in', 'Welcome ' + user.getUsername());			}} />
	);

Set initial form

	import { CognitoLogin } from 'react-native-cross-cognito';
	import amplify from './aws-exports';

	Amplify.configure(amplify);

	export const MyComp => () => (
		<CognitoLogin activeForm='Register' />
	);

With button customizations

	import { CognitoLogin } from 'react-native-cross-cognito';
	import amplify from './aws-exports';

	Amplify.configure(amplify);

	export const MyComp => () => (
        <CognitoLogin
          buttonProps={{ mode: 'text' }}
          loginButtonProps={{ mode: 'contained', title: 'ENGAGE!' }}
          />
	);

With custom children

	import { CognitoLogin } from 'react-native-cross-cognito';
	import amplify from './aws-exports';

	Amplify.configure(amplify);

	export const MyComp => () => (
        <CognitoLogin
          registerChildren={
            <Text
              style={{
                color: 'blue',
                fontWeight: 'bold',
                margin: 10,
                fontSize: 16,
              }}
            >
              &lt;ENLIST NOW&gt;
            </Text>
          }
        >
          <Text
            style={{
              color: 'red',
              fontWeight: 'bold',
              margin: 10,
              fontSize: 16,
            }}
          >
            * &lt;WARNING: RESTRICTED AREA&gt; :)
          </Text>
        </CognitoLogin>
	);