Скачать или смотреть How to Modify Remote Notification Body Content in iOS Using React Native

Discover the step-by-step process for modifying remote notification body content in your iOS app built with React Native. Learn how to use notification service extensions effectively!
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How to Modify Remote Notification Body Content in iOS Using React Native

Creating a mobile app that utilizes push notifications can sometimes be challenging, especially when you need to customize the content of those notifications. In this guide, we’ll discuss how to modify the body of remote notifications in an iOS app built using React Native. We will cover both the problem and a structured solution to help streamline your implementation.

The Problem

You have developed a mobile application with React Native and used libraries like @react-native-community/push-notification-ios and react-native-push-notification for handling push notifications. However, you're facing a hurdle when trying to modify the content of the remote notifications. You set up a notification service extension, but it’s not functioning as expected—specifically, the methods intended to customize your notifications are not being triggered.

In your implementation, you've added the necessary code to request notification permissions in AppDelegate, but the remote notifications simply do not show the customized content you need.

Key Components

Here’s a brief overview of what you've tried:

Used the notification service extension to handle notifications.

Implemented the didReceiveNotificationRequest method to process incoming notifications.

Requesting authorization in the AppDelegate.

The Solution

To effectively modify the body content of remote notifications in your iOS app, follow the steps below:

Step 1: Send Data-Only Notifications

Sending data-only notifications (without a title or message) is crucial here. This allows you to utilize the notification service extension to handle the notification while not actually displaying the default UI elements.

Here’s how you can do this:

On your notification server, configure your notifications to send only the data payload that contains the necessary information but no default title or message.

Step 2: Handle Notifications Locally

Once you receive the data-only notification, you need to create a local notification using the react-native-push-notification library. This will allow you to display the notification with a custom title and message that you define.

Here’s a brief guide on how to implement this:

Set Up the Notification Service Extension

Ensure that your notification service extension is correctly set up in your Xcode project.

Implement the method didReceiveNotificationRequest where you will extract data from the incoming notification and then call the content handler with your custom notification content.

Using React Native to Show Local Notification

With the react-native-push-notification library, you can now show a local notification.

Example implementation in your notification service extension:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Verify Permissions and Delegates

Ensure that you properly request permissions and set the delegate for the notification center, which you've already done in the didFinishLaunchingWithOptions method:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By using data-only notifications and handling the presentation of notifications via a service extension and local notifications, you can achieve the desired customization for your remote notifications in an iOS app built with React Native. This approach not only enhances your user interface but also improves overall user experience with tailored messaging.

Implementing these steps diligently will allow you to bypass common pitfalls in push notification handling, and help better integrate your notifications into your application.

Feel free to ask questions or share your experiences below. Happ