|  | @@ -614,7 +614,14 @@ public func sendLocalNotification(title: String, body: String) {
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				|  |  |  /// 打开应用设置
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				|  |  |  public func openAppSetting() {
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				|  |  |      if UIApplication.shared.canOpenURL(URL(string: UIApplication.openSettingsURLString)!) {
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				|  |  | -        UIApplication.shared.openURL(URL(string: UIApplication.openSettingsURLString)!)
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				|  |  | +        guard let settingsUrl = URL(string: UIApplication.openSettingsURLString) else {
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				|  |  | +            return
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				|  |  | +        }
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				|  |  | +        if UIApplication.shared.canOpenURL(settingsUrl) {
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				|  |  | +            UIApplication.shared.open(settingsUrl, completionHandler: { (success) in
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				|  |  | +                BFLog(message: "Settings opened: \(success)") // Prints true
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				|  |  | +            })
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				|  |  | +        }
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				|  |  |      }
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				|  |  |  }
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				|  |  |  
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