How does my phone’s web browser know to open a link with the app I have installed?

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So I have an iPhone with the IMDB app installed. When I search for a movie through the safari web browser and click a link for an IMDB page how does the phone know “hey I see IMDB is installed, instead of opening this page in the safari browser I’ll open it through the installed app”.

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3 Answers

Anonymous 0 Comments

Apps have a manifest file which lists things like version and permissions. It can also say which URLs are associated with it, e.g. If the URL starts with www.imdb.com, open it with this app.

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