index.js

import 'node-libs-react-native/globals';
import { EventEmitter } from 'events';
import { Alert, AppRegistry, I18nManager, YellowBox } from 'react-native';
import {
  setJSExceptionHandler,
  setNativeExceptionHandler
} from 'react-native-exception-handler';
import RNRestart from 'react-native-restart';
import App from './App';
import * as AnalyticsService from './App/services/AnalyticsService';

try {
  I18nManager.allowRTL(false);
} catch (e) {
  console.log(e);
}

YellowBox.ignoreWarnings([
  'Class RCTCxxModule',
  'Warning:',
  'Method',
  'Module',
  'MOBIDEX:'
]);
EventEmitter.defaultMaxListeners = 1000;

AppRegistry.registerComponent('mobidex', () => App);

setJSExceptionHandler((error, isFatal) => {
  if (isFatal) {
    if (error) {
      Alert.alert(
        'Unexpected error occurred',
        `Error: ${error.name} ${
          error.message
        }. We will need to restart the app.`,
        [
          {
            text: 'Restart',
            onPress: () => RNRestart.Restart()
          }
        ],
        { cancelable: false }
      );
    } else {
      Alert.alert(
        'Unexpected error occurred',
        'We will need to restart the app.',
        [
          {
            text: 'Restart',
            onPress: () => RNRestart.Restart()
          }
        ],
        { cancelable: false }
      );
    }
  }

  if (error) {
    AnalyticsService.trackEvent(isFatal ? 'crash' : 'error', 'report', {
      error: `${error.name} ${error.message}`
    });
  } else {
    AnalyticsService.trackEvent(isFatal ? 'crash' : 'error', 'report', {
      error: 'Unknown error'
    });
  }
}, true);

setNativeExceptionHandler(exceptionString => {
  AnalyticsService.trackEvent('crash', 'report', 'FATAL: ' + exceptionString);
});