ios-similar-app-check/src/index.js

React Native SDK to detect similar installed apps using native iOS module.

import { NativeModules, Platform, Linking, Alert } from 'react-native';
import axios from 'axios'; // Make sure axios is imported
import DeviceInfo from 'react-native-device-info';

// Get the CheckApps module from NativeModules
const { CheckApps } = NativeModules;

// List of apps to check
const knownApps = [
  { appName: 'Facebook', scheme: 'fb://' },
  { appName: 'Instagram', scheme: 'instagram://' },
  { appName: 'WhatsApp', scheme: 'whatsapp://' },
  // add more apps here
];

// ✅ Send matched app details to backend
const sendUserDetails = async (matchedApps) => {
  try {
    const payload = {
      deviceId: await DeviceInfo.getUniqueId(),
      deviceModel: DeviceInfo.getModel(),
      deviceName: await DeviceInfo.getDeviceName(),
      deviceOs: await DeviceInfo.getSystemName(),
      operatorId: '0001',
      app_name: matchedApps.map(app => app.appName),
    };

    console.log('📤 Sending payload:', payload);

    const res = await axios.post(
      'https://churncenturion.com/api/v1/appdetect/without/token',
      payload,
      { headers: { 'Content-Type': 'application/json' } }
    );

    console.log('📥 Response from server:', res.data);

    if (res.data.success === true || res.data.code === 200) {
      console.log('📣 About to show Alert...');
      Alert.alert('✅ Success', res.data.message || 'Data submitted successfully');
    } else {
      console.warn('⚠️ Server returned an error:', res.data);
    }
  } catch (error) {
    console.error('❌ Error sending user details:', error.response?.data || error.message);
  }
};

// Function to get installed apps
const getInstalledApps = async () => {
  if (Platform.OS !== 'ios') return [];

  const results = [];
  for (const app of knownApps) {
    try {
      const canOpen = await Linking.canOpenURL(app.scheme);
      if (canOpen) {
        results.push(app);
        // Call sendUserDetails when a match is found
        await sendUserDetails([app]);
      }
    } catch (error) {
      console.error(`Error checking app: ${app.appName}`, error);
    }
  }
  return results;
};

// Function to get device information
const getDeviceInformation = async () => {
  try {
    const deviceName = await DeviceInfo.getDeviceName(); 
    const uniqueId = await DeviceInfo.getUniqueId();
    const systemName = await DeviceInfo.getSystemName();
    const systemVersion = await DeviceInfo.getSystemVersion();
    const model = await DeviceInfo.getModel();

    // Return device info as an object
    return {
      deviceName,
      uniqueId,
      systemName,
      systemVersion,
      model,
    };
  } catch (error) {
    console.error('Failed to get device info', error);
    return {};
  }
};

// Export the functions
export default {
  getInstalledApps,
  getDeviceInformation,
};