Implementing OTA Updates

import codePush from "react-native-codepush";

let codePushOptions = {
  appVersion: "1.0.0",
  deploymentKey: "your-deployment-key",
  serverURL: "https://codepush.appcenter.ms"
};

codePush.sync(codePushOptions);

const config = {
  updateUrl: 'https://myapp.com/updates/latest',
  autoUpdate: true,
  checkFrequency: 30,
  updateMode: 'immediate'
};

// Apply silent updates
const updateManager = new UpdateManager(config);
updateManager.start();

{
  "mandatory": true,
  "updateUrl": "https://example.com/updates/app-update-v2.0.zip",
  "version": "2.0.0"
}

{
  "expo": {
    "updates": {
      "url": "https://exp.host/@your-app-username/your-app-name"
    },
    "assetBundlePatterns": [
      "**/*"
    ]
  }
}

import * as Updates from 'expo-updates';

async function checkForUpdate() {
  try {
    const update = await Updates.checkForUpdateAsync();
    if (update.isAvailable) {
      await Updates.fetchUpdateAsync();
      await Updates.reloadAsync();
    }
  } catch (error) {
    console.error(error);
  }
}

const config = {
  rollback: true,
  maxRollbackAttempts: 3,
  rollbackTimeout: 5000
};

// Apply to OTA update manager
updateManager.setConfig(config);

import { Platform } from 'react-native';
import { checkForUpdateAsync, fetchUpdateAsync, reloadAsync } from 'expo-updates';

const testOTAUpdate = async () => {
  try {
    // Check for available update
    const update = await checkForUpdateAsync();
    
    if (update.isAvailable) {
      console.log('Update available:', update);
      
      // Fetch the update
      await fetchUpdateAsync();
      
      // Reload to apply update (only works in standalone app)
      if (Platform.OS !== 'web') {
        await reloadAsync();
      }
    } else {
      console.log('No update available');
    }
  } catch (error) {
    console.error('OTA update test failed:', error);
  }
};

testOTAUpdate();

import React, { useState } from 'react';
import { View, Text, Button, StyleSheet } from 'react-native';

const UpdateUI = ({ onUpdate, onCancel }) => {
  const [progress, setProgress] = useState(0);

  return (
    <View style={styles.container}>
      <Text style={styles.title}>Update Available</Text>
      <Text style={styles.message}>A new version is ready to install.</Text>
      <View style={styles.progressBar}>
        <View
          style={[styles.progressFill, { width: `${progress}%` }]}
        />
      </View>
      <Text style={styles.progressText}>{progress}%</Text>
      <View style={styles.buttonContainer}>
        <Button title="Install Now" onPress={onUpdate} />
        <Button title="Later" onPress={onCancel} color="#ccc" />
      </View>
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    padding: 20,
    backgroundColor: '#fff',
    borderRadius: 10,
    alignItems: 'center',
  },
  title: {
    fontSize: 18,
    fontWeight: 'bold',
    marginBottom: 10,
  },
  message: {
    fontSize: 14,
    marginBottom: 20,
    textAlign: 'center',
  },
  progressBar: {
    width: '100%',
    height: 10,
    backgroundColor: '#eee',
    borderRadius: 5,
    marginBottom: 10,
  },
  progressFill: {
    height: '100%',
    backgroundColor: '#4CAF50',
    borderRadius: 5,
  },
  progressText: {
    fontSize: 12,
    color: '#666',
    marginBottom: 20,
  },
  buttonContainer: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    width: '100%',
  },
});

export default UpdateUI;

const config = {
  updatePolicy: 'Background',
  checkFrequency: 'EveryLaunch',
  minBackgroundFetchInterval: 30,
  autoUpdate: true
};

// Apply config to your OTA update client

import { AppState } from 'react-native';

const updateSuccessTracker = {
  totalUpdates: 0,
  successfulUpdates: 0,
  failedUpdates: 0,
  lastUpdateStatus: null,
};

const trackUpdateSuccess = (status) => {
  updateSuccessTracker.totalUpdates += 1;
  updateSuccessTracker.lastUpdateStatus = status;

  if (status === 'success') {
    updateSuccessTracker.successfulUpdates += 1;
  } else if (status === 'failure') {
    updateSuccessTracker.failedUpdates += 1;
  }
};

// Example usage with a hypothetical OTA update library
const handleUpdate = async () => {
  try {
    const result = await checkForUpdates();
    if (result.updateAvailable) {
      const updateResult = await downloadAndInstallUpdate();
      trackUpdateSuccess(updateResult ? 'success' : 'failure');
    }
  } catch (error) {
    trackUpdateSuccess('failure');
  }
};

import { updateAsync, shouldRollBack } from 'expo-updates';

async function handleUpdateError(error) {
  console.error('Update failed:', error);
  if (shouldRollBack()) {
    await updateAsync(); // Rollback to previous version
  }
}