通知托盘中带有扩展图像的丰富通知
Rich notification with expanded image in notification tray
我正尝试在我的应用程序上使用这样的展开图像显示丰富的通知。我已经使用通知服务扩展在应用程序中实现了这一点。
但是当我收到通知时,我只得到一个缩略图,它看起来像这样。当我长按支持 3D 触摸的 phone 时,展开的图像会出现,否则它只会在没有 3D 触摸的 phone 上显示缩略图。
我无法在 SO 上找到任何说明如何执行此操作的文档或任何问题。我想知道是否可以在 iOS 上执行此操作,如果不能,是否有任何可能的解决方法来完成此操作?这是我的 NotificationSerivce
分机。任何帮助深表感谢!谢谢!
class NotificationService: UNNotificationServiceExtension {
let fileManager = FileManager()
var contentHandler: ((UNNotificationContent) -> Void)?
var bestAttemptContent: UNMutableNotificationContent?
override func didReceive(_ request: UNNotificationRequest, withContentHandler contentHandler: @escaping (UNNotificationContent) -> Void) {
self.contentHandler = contentHandler
bestAttemptContent = (request.content.mutableCopy() as? UNMutableNotificationContent)
if let bestAttemptContent = bestAttemptContent {
// Modify the notification content here...
guard let content = (request.content.mutableCopy() as? UNMutableNotificationContent) else {
return self.contentHandler = contentHandler
}
bestAttemptContent.title = "\(bestAttemptContent.title) [modified]"
guard let attachmentURL = content.userInfo["attachment-url"] as? String else {
return self.contentHandler = contentHandler
}
guard let fileName = attachmentURL.components(separatedBy: "/").last else {
return self.contentHandler = contentHandler
}
guard let imageData = try? Data(contentsOf: URL(string: attachmentURL)!) else {
return self.contentHandler = contentHandler
}
if let thumbnailAttachment = UNNotificationAttachment.create(imageFileIdentifier: fileName, data: imageData, options: nil) {
bestAttemptContent.attachments = [thumbnailAttachment]
}
contentHandler(bestAttemptContent)
}
}
override func serviceExtensionTimeWillExpire() {
// Called just before the extension will be terminated by the system.
// Use this as an opportunity to deliver your "best attempt" at modified content, otherwise the original push payload will be used.
if let contentHandler = contentHandler, let bestAttemptContent = bestAttemptContent {
contentHandler(bestAttemptContent)
}
}
}
extension UNNotificationAttachment {
/// Save the image to disk
static func create(imageFileIdentifier: String, data: Data, options: [AnyHashable: Any]?) -> UNNotificationAttachment? {
let fileManager = FileManager.default
let tmpSubFolderName = ProcessInfo.processInfo.globallyUniqueString
let tmpSubFolderURL = NSURL(fileURLWithPath: NSTemporaryDirectory()).appendingPathComponent(tmpSubFolderName, isDirectory: true)
do {
try fileManager.createDirectory(at: tmpSubFolderURL!, withIntermediateDirectories: true, attributes: nil)
let fileURL = tmpSubFolderURL?.appendingPathComponent(imageFileIdentifier)
try data.write(to: fileURL!, options: [])
let imageAttachment = try UNNotificationAttachment(identifier: imageFileIdentifier, url: fileURL!, options: options)
return imageAttachment
} catch let error {
print("error \(error)")
}
return nil
}
}
这是一个很老的问题,我想你现在应该已经发现了,你想要实现的目标在技术上是不可行的。
通知以折叠形式显示,只有当用户在通知上进行 3d 按下(或在没有 3d-touch 的设备的情况下长按)时,它们才会以展开形式显示。
我正尝试在我的应用程序上使用这样的展开图像显示丰富的通知。我已经使用通知服务扩展在应用程序中实现了这一点。
但是当我收到通知时,我只得到一个缩略图,它看起来像这样。当我长按支持 3D 触摸的 phone 时,展开的图像会出现,否则它只会在没有 3D 触摸的 phone 上显示缩略图。
我无法在 SO 上找到任何说明如何执行此操作的文档或任何问题。我想知道是否可以在 iOS 上执行此操作,如果不能,是否有任何可能的解决方法来完成此操作?这是我的 NotificationSerivce
分机。任何帮助深表感谢!谢谢!
class NotificationService: UNNotificationServiceExtension {
let fileManager = FileManager()
var contentHandler: ((UNNotificationContent) -> Void)?
var bestAttemptContent: UNMutableNotificationContent?
override func didReceive(_ request: UNNotificationRequest, withContentHandler contentHandler: @escaping (UNNotificationContent) -> Void) {
self.contentHandler = contentHandler
bestAttemptContent = (request.content.mutableCopy() as? UNMutableNotificationContent)
if let bestAttemptContent = bestAttemptContent {
// Modify the notification content here...
guard let content = (request.content.mutableCopy() as? UNMutableNotificationContent) else {
return self.contentHandler = contentHandler
}
bestAttemptContent.title = "\(bestAttemptContent.title) [modified]"
guard let attachmentURL = content.userInfo["attachment-url"] as? String else {
return self.contentHandler = contentHandler
}
guard let fileName = attachmentURL.components(separatedBy: "/").last else {
return self.contentHandler = contentHandler
}
guard let imageData = try? Data(contentsOf: URL(string: attachmentURL)!) else {
return self.contentHandler = contentHandler
}
if let thumbnailAttachment = UNNotificationAttachment.create(imageFileIdentifier: fileName, data: imageData, options: nil) {
bestAttemptContent.attachments = [thumbnailAttachment]
}
contentHandler(bestAttemptContent)
}
}
override func serviceExtensionTimeWillExpire() {
// Called just before the extension will be terminated by the system.
// Use this as an opportunity to deliver your "best attempt" at modified content, otherwise the original push payload will be used.
if let contentHandler = contentHandler, let bestAttemptContent = bestAttemptContent {
contentHandler(bestAttemptContent)
}
}
}
extension UNNotificationAttachment {
/// Save the image to disk
static func create(imageFileIdentifier: String, data: Data, options: [AnyHashable: Any]?) -> UNNotificationAttachment? {
let fileManager = FileManager.default
let tmpSubFolderName = ProcessInfo.processInfo.globallyUniqueString
let tmpSubFolderURL = NSURL(fileURLWithPath: NSTemporaryDirectory()).appendingPathComponent(tmpSubFolderName, isDirectory: true)
do {
try fileManager.createDirectory(at: tmpSubFolderURL!, withIntermediateDirectories: true, attributes: nil)
let fileURL = tmpSubFolderURL?.appendingPathComponent(imageFileIdentifier)
try data.write(to: fileURL!, options: [])
let imageAttachment = try UNNotificationAttachment(identifier: imageFileIdentifier, url: fileURL!, options: options)
return imageAttachment
} catch let error {
print("error \(error)")
}
return nil
}
}
这是一个很老的问题,我想你现在应该已经发现了,你想要实现的目标在技术上是不可行的。 通知以折叠形式显示,只有当用户在通知上进行 3d 按下(或在没有 3d-touch 的设备的情况下长按)时,它们才会以展开形式显示。