Sticker apps are nice, but they're not particularly useful for every use case. We can build far more interesting and interactive applications for iMessage through the
Messages framework. Some of the larger, well-known apps on iOS have been able to implement iMessage applications that make sharing content from the app easier. There are people that have built games in iMessage already. The
Messages framework enables developers to build a wide range of extensions straight into the Messages app.
We've just seen how you can build sticker packs and how you can create a somewhat customized sticker pack by picking the app template instead of the sticker pack template in Xcode. We haven't gone in-depth for ...