Push Notification Best Practices Overview Comprehensive guide for implementing and troubleshooting push notifications in mobile applications. Covers iOS (APNS), Android (FCM), React Native, Expo, and Flutter platforms with platform-specific configurations, token management, message handling, and deep linking patterns. Platform Support Matrix | Platform | Offline Push | Notification Bar | Click Navigation | In-App Toast | Background Handler | |----------|--------------|------------------|------------------|--------------|-------------------| | iOS | APNS | System | Deep Link | Custom | data-on…