Starting with iOS 10, you can attach a static or animated image or even a video to push notifications. It will be displayed right in the notification when the user force-taps it.
Here's an example. iOS rich notifications is action!
Enabling this functionality is very simple, with very little coding involved. Let's do it!
First create a Notification Service Extension. This extension downloads the content that will be shown to the user.
Add new target to your project (File -> New -> Target) and create Notification Service Extension.
Make sure you embed your new extension in your app!
Just Copy & Paste it to your extension. The code downloads the attachment and calls the notification content handler.
Notification Service Extension is a separate binary and has its own Info.plist file. Starting with iOS9 release to download the content from non-https URL (ex: http://) you have to add App Transport Security Settings with Allow Arbitrary Loads flag set to YES to extension's Info.plist file.
In order to send a rich notification just specify the file's URL in the "iOS10+ Media attachment" field
Woosh! Force-tap the notification and you are all done!