Day 1: Understanding Native Module Integration

Session 1: Overview of Native Modules in Cross-Platform Apps

• Why use native modules in Flutter and React Native?
• When to use Java, Kotlin, Objective-C, or Swift for integration.
• Understanding Flutter Method Channels vs. React Native Bridge.

Session 2: Setting Up the Development Environment

• Configuring Android Studio and Xcode for native development.
• Setting up Flutter and React Native to support native modules.
• Understanding Gradle, CocoaPods, and dependency management.

Session 3: Exploring Platform-Specific Capabilities

• Accessing device hardware (Camera, GPS, Sensors, Bluetooth).
• Understanding native UI components and animations.
• Working with native APIs for improved performance.

Day 2: Writing Native Modules in Kotlin and Swift

Session 1: Writing Custom Native Modules in Kotlin (Android)

• Creating a Kotlin-based module in a React Native or Flutter app.
• Using Platform Channels (Flutter) and Native Modules (React Native).
• Handling callbacks and asynchronous methods in Kotlin.

Session 2: Writing Custom Native Modules in Swift (iOS)

• Creating a Swift-based module for a Flutter or React Native app.
• Using Flutter MethodChannel and React Native Bridge.
• Passing data between Dart/JavaScript and Swift.

Session 3: Integrating Native UI Components

• Rendering native UI views inside a Flutter and React Native app.
• Embedding Android XML layouts and iOS Storyboards.
• Handling gesture recognizers and animations in native UI.

Day 3: Bridging Objective-C and Java with React Native

Session 1: Understanding Objective-C and Java Bridging in React Native

• Why React Native still uses Objective-C and Java for native modules.
• Creating a simple native bridge using Java (Android).
• Writing a native Objective-C module for iOS.

Session 2: Passing Data Between Native and JavaScript/Dart

• Sending and receiving simple and complex data structures.
• Handling callbacks, promises, and event emitters.
• Debugging bridge-related errors in native modules.

Session 3: Managing Performance and Optimizing Native Integration

• Reducing latency in native module communication.
• Handling heavy computations natively to optimize performance.
• Debugging and testing native integrations in a cross-platform app.

Day 4: Advanced Integrations with Hardware and APIs

Session 1: Using Native APIs for Hardware Access

• Integrating camera, file system, and GPS location tracking.
• Accessing Bluetooth, NFC, and biometrics (Face ID, Touch ID).
• Handling background services and push notifications.

Session 2: Implementing Third-Party Native Libraries in Flutter and React Native

• Using existing native libraries for advanced features.
• Wrapping Kotlin/Java and Swift/Objective-C libraries in cross-platform apps.
• Managing dependency conflicts and version mismatches.

Session 3: Handling Platform-Specific UI Differences

• Managing platform-specific UI elements (Android vs. iOS).
• Implementing custom styling and theming for native components.
• Debugging inconsistent behaviors across platforms.

Day 5: Hands-On Project and Best Practices

Session 1: Building a Custom Native Plugin for Flutter and React Native

• Writing a complete native module that integrates with a mobile app.
• Testing native features using Flutter’s and React Native’s debugging tools.
• Handling exceptions and error logs in native code.

Session 2: Debugging and Troubleshooting Native Integrations

• Debugging Flutter MethodChannels and React Native Bridges.
• Fixing common issues in native module communication.
• Using Android Studio and Xcode debugging tools.

Session 3: Best Practices and Final Review

• Structuring native code for maintainability.
• Optimizing performance for native module execution.
• Final Q&A and discussion on real-world native integrations.