Push Notifications
FCM, APNs, react-native-firebase, local notifications, background handling
1What is the fundamental difference between push notifications and local notifications?
What is the fundamental difference between push notifications and local notifications?
คำตอบ
Push notifications are sent from a remote server via services like FCM or APNs, while local notifications are generated directly by the app on the device without requiring a network connection. Local notifications are useful for reminders, alarms, or locally scheduled events.
2What is Firebase Cloud Messaging (FCM)?
What is Firebase Cloud Messaging (FCM)?
คำตอบ
FCM is Google's service for sending push notifications for free on Android and iOS. It replaced the old Google Cloud Messaging (GCM) and allows sending messages to individual devices, groups, or topics. FCM automatically handles connection and message delivery.
3What is APNs (Apple Push Notification service)?
What is APNs (Apple Push Notification service)?
คำตอบ
APNs is Apple's official service for sending push notifications to iOS, iPadOS, watchOS, tvOS, and macOS devices. Unlike FCM which can target iOS directly, notifications on Apple devices must go through APNs. FCM uses APNs behind the scenes to deliver notifications on iOS.
Which library is recommended for implementing push notifications with Firebase in React Native?
What is an FCM token (device token) and what is it used for?
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