Wednesday, December 2, 2015 [Tweets] [Favorites]

Flickr’s Experience With iOS 9

Rocir:

Flickr provides a huge amount of public content, including many amazing photos. If anybody searches for “Northern Lights” in Spotlight, shouldn’t we show them our best Aurora Borealis photos? For this public content – photos, public groups, tags and so on – we leverage NSUserActivity, with its new search APIs, to make it all searchable when viewed.

[…]

Every time a user opens a photo, public group, location page, etc., we create a new NSUserActivity and make it current. The more often a specific activity is made current, the more relevant iOS considers it. In fact, the more often an activity is made current by any number of different users, the more relevant Apple considers it globally, and the more likely it will show up for other iOS users as well (provided it’s public).

[…]

In Flickr, we have a few different domains. That means that each one of flickr.com, http://www.flickr.com, m.flickr.com and flic.kr must provide its own JSON association file, whether or not they differ. In our case, the flic.kr domain actually does support different paths, since it’s only used for short URLs; hence, its “apple-app-site-association” is different than the others.

[…]

If the user taps on a photo in one of these cells, it will open the photo view. But if the user taps on another user’s name, it will open that user’s profile view. Previews of these UIViewControllers should be shown accordingly. But the “peek and pop” mechanism requires you to register a delegate on your UIViewController with registerForPreviewingWithDelegate:sourceView:, which means that you’re working in a much higher layer. Your UIViewController’s view might not even know about its subviews’ structures.

Previously: Flickr for iOS 9.

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