Icon for push notification?

I am working on a chat app that receive push notification. I want to provide images/icon that will be used by iOS to display in push notification , where can I specify that in Xcode?

1 Answers

Answers 1

If you want to customize the appearance of local and remote notifications， perform the following steps：

1. Create a UNNotificationCategory and add to the UNUserNotificationCenter category:

   let newCategory = UNNotificationCategory(identifier: "newCategory",                                          actions: [ action ],                                          minimalActions: [ action ],                                          intentIdentifiers: [],                                          options: [])  let center = UNUserNotificationCenter.current()  center.setNotificationCategories([newCategory]) 

2. Create a UNNotificationContentExtension:

then use code or storyboard to customize your UIViewController.

3. Add category to UNNotificationContentExtension's plist:

4.Push Notification

Local Notification

Create a UNMutableNotificationContent and set the categoryIdentifier to "newCategory" which includes UNUserNotificationCenter's categories and UNNotificationContentExtension's plist:

let content = UNMutableNotificationContent() content.title = ... content.body = ... content.categoryIdentifier = "newCategory"  let request = UNNotificationRequest.init(identifier: "newNotificationRequest", content: content, trigger: nil)  let center = UNUserNotificationCenter.current() center.add(request) 

Remote Notification

Set "mutable-content : 1" and "category : newCategory". Note that the category value is set to "newCategory" which matches what you previously added to UNUserNotificationCenter and UNNotificationContentExtensions plist.

Example:

 {     "aps" : {         "alert" : {         "title" : "title",         "body" : "Your message Here"         },         "mutable-content" : "1",         "category" : "newCategory"     },     "otherCustomURL" : "http://www.xxx.jpg"  } 

5. Note: you need a device or simulator which supports 3DTouch, otherwise you can't show a custom UNNotificationContentExtension viewcontroller.（In iOS10 Beta1, it`s not work. But now this work without 3d touch）

And ... if you just want to show an image on a push notification displayed on the lock screen, you need to add UNNotificationAttachment:

let content = UNMutableNotificationContent() content.title = ... content.body = ... content.categoryIdentifier = "newCategory"  let fileURL: URL = ... //  your disk file url, support image, audio, movie  let attachement = try? UNNotificationAttachment(identifier: "attachment", url: fileURL, options: nil) content.attachments = [attachement!]  let request = UNNotificationRequest.init(identifier: "newNotificationRequest", content: content, trigger: nil)  let center = UNUserNotificationCenter.current() center.add(request) 

For more detail feature,Demo

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