Sometimes we want to know someone else's app provides what type of data and the specific data is what you call Share Extension, we can write their own app to receive data app in Xcode others inside, but we can also use the built-in Workflow "View Content Graph" to display data. With respect to write their own app, it is clearly free of Workflow much simpler.
If you have not installed Workflow , you can go to download and install for free. Then open the Debug Action and click on "GET WORKFLOW" this Workflow will be automatically imported into your Workflow go, then you can share data to other app in the Workflow and then let it show you watched.
Show
I opened with the Foursquare app this landmark San Francisco Union Square, and then choose to share, then you can see the sharing Foursqare in this Workflow what data are passed: pictures, address, name and URL.
principle
The Workflow to do super simple: it is just data input passed to "View Content Graph" this step, let it show debugging information, then it will re-invoke Share Extension makes sharing process ran down. The reason Recall Share Extension, because sometimes we need to look at what information is shared, and then decide what to share Share Extension, this time to the Workflow inserted in the middle comes in handy. The Workflow can display debugging information, and then went back to the normal process of sharing.
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