Automating iOS: A Comprehensive Guide to URL Schemes and Drafts Actions
Alex Guyot wrote the best guide to comprehend the first steps into url schemes, x-callback-url and, of course, Drafts. It's a must-read if you roll your eyes every time you check this blog. MacStories, and specially Viticci, has always done a terrific job introducing a very geeky and niche resource to its audience.
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