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Overview

Meteor integrates with Apache Cordova to build native mobile apps for iOS and Android from your web application codebase. Run your Meteor app on mobile devices with full access to native device features.

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What is Cordova?

Cordova allows you to:
  • Package web apps as native mobile applications
  • Access device features like camera, GPS, and local storage
  • Deploy to app stores (Apple App Store, Google Play Store)
  • Update apps remotely via hot code push
A Cordova app is a web app running in a native WebView container with access to native device APIs through plugins.

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Key Benefits

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Single Codebase

Write once, deploy to web, iOS, and Android: 
// Same code runs on all platforms
if (Meteor.isCordova) {
  // Mobile-specific code
  console.log('Running on mobile');
} else {
  // Web-specific code
  console.log('Running on web');
}

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Hot Code Push

Update your app without going through app store review: 
// Users get updates automatically
// No resubmission to app stores required
// Updates happen in the background

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Faster Loading

Assets are bundled with the app: 
// App loads from localhost, not remote server
// Much faster on slow mobile connections
// Works offline after initial install

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Adding Mobile Platforms

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Add iOS Platform

meteor add-platform ios
Requirements:
  • macOS with Xcode installed
  • Xcode Command Line Tools
  • iOS Simulator or physical iOS device

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Add Android Platform

meteor add-platform android
Requirements:
  • Java Development Kit (JDK)
  • Android SDK / Android Studio
  • Android emulator or physical Android device
  • ANDROID_HOME environment variable set

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List and Remove Platforms

# List current platforms
meteor list-platforms

# Remove a platform
meteor remove-platform ios
meteor remove-platform android

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Running on Mobile

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iOS Simulator

# Run on iOS simulator (default)
meteor run ios

# Run on specific iOS simulator
meteor run ios --ios-simulator

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iOS Device

# Run on connected iOS device
meteor run ios-device

# Specify device by ID
meteor run ios-device --device <device-id>

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Android Emulator

# Run on Android emulator (default)
meteor run android

# Launch emulator automatically
meteor run android --android-emulator

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Android Device

# Run on connected Android device
meteor run android-device

# Enable USB debugging on your device first

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Cordova Plugins

Plugins provide access to native device features.

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Adding Plugins

# Add camera plugin
meteor add cordova:cordova-plugin-camera@latest

# Add geolocation
meteor add cordova:cordova-plugin-geolocation@latest

# Add local notifications
meteor add cordova:cordova-plugin-local-notification@latest

# Add file access
meteor add cordova:cordova-plugin-file@latest

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Using Plugins in Code

// Check if Cordova is available
if (Meteor.isCordova) {
  // Access camera
  navigator.camera.getPicture(
    (imageData) => {
      console.log('Image:', imageData);
    },
    (error) => {
      console.error('Camera error:', error);
    },
    {
      quality: 50,
      destinationType: Camera.DestinationType.DATA_URL
    }
  );
}

​
Common Plugins

# Camera
meteor add cordova:cordova-plugin-camera@latest

# Geolocation
meteor add cordova:cordova-plugin-geolocation@latest

# Device information
meteor add cordova:cordova-plugin-device@latest

# Network information
meteor add cordova:cordova-plugin-network-information@latest

# Vibration
meteor add cordova:cordova-plugin-vibration@latest

# Status bar customization
meteor add cordova:cordova-plugin-statusbar@latest

# Keyboard management
meteor add cordova:cordova-plugin-keyboard@latest

# In-app browser
meteor add cordova:cordova-plugin-inappbrowser@latest

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Mobile Configuration

Create mobile-config.js in your app root: 
// Basic app information
App.info({
  id: 'com.example.myapp',
  name: 'MyApp',
  description: 'My awesome Meteor app',
  author: 'Your Name',
  email: 'you@example.com',
  website: 'https://myapp.com',
  version: '1.0.0'
});

// Set icons for different resolutions
App.icons({
  // iOS
  'iphone_2x': 'resources/icons/icon-60@2x.png',
  'iphone_3x': 'resources/icons/icon-60@3x.png',
  'ipad': 'resources/icons/icon-76.png',
  'ipad_2x': 'resources/icons/icon-76@2x.png',
  'ipad_pro': 'resources/icons/icon-83.5@2x.png',
  'ios_settings': 'resources/icons/icon-29.png',
  'ios_settings_2x': 'resources/icons/icon-29@2x.png',
  'ios_settings_3x': 'resources/icons/icon-29@3x.png',
  
  // Android
  'android_mdpi': 'resources/icons/icon-48.png',
  'android_hdpi': 'resources/icons/icon-72.png',
  'android_xhdpi': 'resources/icons/icon-96.png',
  'android_xxhdpi': 'resources/icons/icon-144.png',
  'android_xxxhdpi': 'resources/icons/icon-192.png'
});

// Set launch screens (splash screens)
App.launchScreens({
  // iOS
  'iphone_2x': 'resources/splash/splash-320x480@2x.png',
  'iphone5': 'resources/splash/splash-320x568@2x.png',
  'iphone6': 'resources/splash/splash-375x667@2x.png',
  'iphone6p_portrait': 'resources/splash/splash-414x736@3x.png',
  'ipad_portrait': 'resources/splash/splash-768x1024.png',
  'ipad_portrait_2x': 'resources/splash/splash-768x1024@2x.png',
  
  // Android
  'android_mdpi_portrait': 'resources/splash/splash-320x470.png',
  'android_hdpi_portrait': 'resources/splash/splash-480x640.png',
  'android_xhdpi_portrait': 'resources/splash/splash-720x960.png',
  'android_xxhdpi_portrait': 'resources/splash/splash-1080x1440.png'
});

// Configure preferences
App.setPreference('BackgroundColor', '0xffffffff');
App.setPreference('HideKeyboardFormAccessoryBar', true);
App.setPreference('Orientation', 'default');
App.setPreference('StatusBarOverlaysWebView', false);
App.setPreference('StatusBarBackgroundColor', '#000000');

// Configure plugin
App.configurePlugin('cordova-plugin-camera', {
  CAMERA_USAGE_DESCRIPTION: 'We need camera access to take photos'
});

​
Platform Detection

// Check if running on Cordova
if (Meteor.isCordova) {
  console.log('Running on mobile');
}

// Check specific platform
if (Meteor.isCordova) {
  if (device.platform === 'iOS') {
    console.log('Running on iOS');
  } else if (device.platform === 'Android') {
    console.log('Running on Android');
  }
}

// Platform-specific code
import { Meteor } from 'meteor/meteor';

if (Meteor.isCordova) {
  // Only load on mobile
  import('./mobile-only-feature');
}

​
Hot Code Push

Meteor automatically updates mobile apps with new code: 
// Server: Deploy new version
// Mobile apps will detect and download update
// Update happens in background
// App reloads with new code automatically

// Configure update behavior
if (Meteor.isCordova) {
  Reload._onMigrate(() => {
    console.log('New version available');
    // Return true to apply update
    return [true];
  });
}

​
Controlling Updates

// Disable hot code push
App.setPreference('AutoHideSplashScreen', false);

// Custom update UI
if (Meteor.isCordova) {
  Reload._onMigrate((retry) => {
    const shouldUpdate = confirm('Update available. Install now?');
    if (shouldUpdate) {
      return [true];
    } else {
      return [false];
    }
  });
}

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Building for Production

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iOS Production Build

# Build for iOS
meteor build ../output --server=https://myapp.com

# Open in Xcode
open ../output/ios/project.xcworkspace

# In Xcode:
# 1. Select your provisioning profile
# 2. Archive the app
# 3. Upload to App Store Connect

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Android Production Build

# Build for Android
meteor build ../output --server=https://myapp.com

# Sign the APK
cd ../output/android
jarsigner -verbose -sigalg SHA1withRSA \
  -digestalg SHA1 -keystore my-release-key.keystore \
  release-unsigned.apk alias_name

# Align the APK
zipalign -v 4 release-unsigned.apk MyApp.apk

# Upload to Google Play Console

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Local Files and Assets

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Accessing Local Files

if (Meteor.isCordova) {
  // Get file system root
  window.requestFileSystem(
    LocalFileSystem.PERSISTENT,
    0,
    (fileSystem) => {
      console.log('File system:', fileSystem.root.nativeURL);
    },
    (error) => {
      console.error('Error:', error);
    }
  );
}

​
Loading Local Assets

// Public folder assets are bundled
const imagePath = Meteor.isCordova 
  ? '/application/public/images/logo.png'
  : '/images/logo.png';

// Use in HTML
<img src={imagePath} alt="Logo" />

​
Troubleshooting

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Common Issues

Build Failures: 
# Clean build
meteor reset
meteor run ios

# Remove and re-add platform
meteor remove-platform ios
meteor add-platform ios
Port Conflicts: 
# Specify custom port
meteor run ios --cordova-server-port 12345
Plugin Issues: 
# Remove and reinstall plugin
meteor remove cordova:plugin-name
meteor add cordova:plugin-name@version

​
Performance Tips

  1. Optimize Images: Use appropriate resolutions for mobile
  2. Minimize Animations: Use CSS transforms over JavaScript
  3. Lazy Load: Load data and images as needed
  4. Cache Data: Use local storage for offline support
  5. Test on Devices: Simulators don’t reflect real performance

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