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Add Onesignal to Project
Open Your Flutter Ios Folder in Xcode.
- Create New Target.
- Select Notification Extension and Name It OneSignalNotificationServiceExtension
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- Press
Cancelon theActivate Schemeprompt
- In your project, in the
OneSignalNotificationServiceExtension/folder, openNotificationService.mand replace the whole file contents with:
NotificationService.Swift
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import UserNotifications
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import OneSignal
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class NotificationService: UNNotificationServiceExtension {
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var contentHandler: ((UNNotificationContent) -> Void)?
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var receivedRequest: UNNotificationRequest!
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var bestAttemptContent: UNMutableNotificationContent?
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override func didReceive(_ request: UNNotificationRequest, withContentHandler contentHandler: @escaping (UNNotificationContent) -> Void) {
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self.receivedRequest = request
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self.contentHandler = contentHandler
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self.bestAttemptContent = (request.content.mutableCopy() as? UNMutableNotificationContent)
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if let bestAttemptContent = bestAttemptContent {
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OneSignal.didReceiveNotificationExtensionRequest(self.receivedRequest, with: bestAttemptContent, withContentHandler: self.contentHandler)
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}
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}
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override func serviceExtensionTimeWillExpire() {
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if let contentHandler = contentHandler, let bestAttemptContent = bestAttemptContent {
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OneSignal.serviceExtensionTimeWillExpireRequest(self.receivedRequest, with: self.bestAttemptContent)
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contentHandler(bestAttemptContent)
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}
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}
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}
- In the main app target, select Signing & Capabilities > All > + Capability, enable Push Notifications.
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- Next, enable Background Modes and check Remote Notifications.
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