Ios Communicate Between App And Extension

An app extension s containing app and the host app don t communicate at all.

Ios communicate between app and extension. A safari app extension is uniquely useful because it can communicate with a native app. The documentation states that if the ios app is the. Wcsession sendmessage is used to immediately send a message from one app to the other and has optional replyhandler and errorhandler callbacks.

Figure 2 2 an app extension communicates directly only with the host app. Typically the containing app isn t even running while a contained extension is running. The magic is done via messages written to files in the application s shared app group.

You can make your own share activity extension or action activity extension. Mmwormhole is a unique approach to implement interprocess communication between an extension and its containing an extension. There is no direct communication between an app extension and its containing app.

Sharing data between an app and safari lets you integrate app content into safari or send web data back to the app enabling a unified experience for a web version and a native version of an app.