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Rich Media

Concepts - Adding additional media to notifications

Rich Media refers to images, gifs, video, audio and action buttons. Not all platforms support rich media notifications.

Android and Web Push support images in notifications.

Rich Notifications

iOS 10+

Apple introduced the concept of Rich Notifications in iOS 10, which allow deeper interaction with your app from the notification itself. These are great for short interactions that do not require the full app experience, and represent the growing importance of notifications to an app's user experience.

Rich notifications side-step the process of tapping a notification, unlocking the phone, waiting for the app to load, and then interacting with the app, by creating opportunities for short interactions within the notification itself.

OneSignal fully supports iOS 10 rich notifications. You can read more about Rich Notifications in our blog post on iOS Customizations.

At a technical level, there are two types of rich notifications: content extensions and media attachments.

Content Extensions

Content extensions allow developers to add custom views of their app within a notification. For instance, this notification lets the user view the relevant details of their calendar when responding to a meeting invite.

Media Attachments

Media attachments allow developers to attach URLs to relevant content. This is great for live events, photo tagging, and game updates, as well as all sorts of other visual content. Pictures speak a thousand words, and video more so, and with media attachments its never been easier to transport users into another place at the touch of a button. In the following example, a travel app could prompt users with visuals of a wonderful destination:

Support media formats

Media formats supported by iOS 10.

Attachment
File Type
Max Size

Audio

aif / aiff

5MB

Audio

wav

5MB

Audio

MP3

5MB

Audio

MP4

5MB

Image

JPEG

10MB

Image

GIF

10MB

Image

PNG

10MB

Video

MPEG

50MB

Video

MPEG2

50MB

Video

MPEG4

50MB

Video

AVI

50MB

Recommended Image Size

iOS does not have a max resolution size however it is recommend not to go over 4K (4096x4096) as no iOS display is above this resolution.