react-native-xmpp

var XMPP = require('react-native-xmpp');

// optional callbacks
XMPP.on('message', (message) => console.log('MESSAGE:' + JSON.stringify(message)));
XMPP.on('iq', (message) => console.log('IQ:' + JSON.stringify(message)));
XMPP.on('presence', (message) => console.log('PRESENCE:' + JSON.stringify(message)));
XMPP.on('error', (message) => console.log('ERROR:' + message));
XMPP.on('loginError', (message) => console.log('LOGIN ERROR:' + message));
XMPP.on('login', (message) => console.log('LOGGED!'));
XMPP.on('connect', (message) => console.log('CONNECTED!'));
XMPP.on('disconnect', (message) => console.log('DISCONNECTED!'));

// trustHosts (ignore self-signed SSL issues)
// Warning: Do not use this in production (security will be compromised).
XMPP.trustHosts(['chat.google.com']);

// connect
XMPP.connect(MYJID, MYPASSWORD);

// send message
XMPP.message('Hello world!', TOJID);

// disconnect
XMPP.disconnect();

// remove all event listeners (recommended on componentWillUnmount)
XMPP.removeListeners();

// remove specific event listener (type can be 'message', 'iq', etc.)
XMPP.removeListener(TYPE);

include ':react-native-xmpp'
project(':react-native-xmpp').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-xmpp/android')

dependencies {
   ...
   compile project(':react-native-xmpp')
}

import rnxmpp.RNXMPPPackage;

@Override
protected List<ReactPackage> getPackages() {
    return Arrays.<ReactPackage>asList(
        new MainReactPackage(),
        new RNXMPPPackage()
    );
}