[英]What's the best way for an iOS app to retrieve its URL scheme?
If your app has different targets with corresponding different URL schemes (ex. blackbox://meta
, blackbox-alpha://meta
) you may find yourself wanting to dynamically look up the current app's scheme at run-time. 如果您的应用程序具有不同的目标和相应的不同URL方案(例如
blackbox://meta
, blackbox-alpha://meta
),您可能会发现自己想要在运行时动态查找当前应用程序的方案。 How can you do that? 你怎么能这样做?
The following does NOT work: 下列情况不工作:
[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleURLSchemes"]
The URL schemes array is actually stored under the URL Types array. URL方案数组实际存储在URL类型数组下。 Assuming you only have one URL type and the first listed scheme is the one you're after:
假设您只有一种URL类型,并且第一个列出的方案是您所追求的方案:
Objective-C Objective-C的
NSArray *urlTypes = [NSBundle.mainBundle objectForInfoDictionaryKey:@"CFBundleURLTypes"];
NSArray *urlSchemes = [urlTypes firstObject][@"CFBundleURLSchemes"];
NSString *urlScheme = [urlSchemes firstObject];
Swift 迅速
let urlTypes = NSBundle.mainBundle.object(forInfoDictionaryKey: "CFBundleURLTypes") as! [[String:Any]]
let urlSchemes = urlTypes.first?["CFBundleURLSchemes"]! as! [String]
let urlScheme2 = urlSchemes.first
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