ios - Detect app installation with StoreKit -

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ios6 introduced storekit framework designated interacting appstore within app. managed direct user specific app, question how can detect whether user installed app redirected him to?

this done calling -canopenurl: on uiaplication object this:

nsurl *appurl = [nsurl urlwithstring:@"fb:"]; bool appinstalled = [[uiapplication sharedapplication] canopenurl:appurl];

but need know url scheme second app open. declared in info.plist file app developer.


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