iOS 用戶權限處理：PermissionScope

PermissionScope 是 Swift 框架，是智能 iOS 用戶權限 UI 和統一 API，可以智能的處理用戶權限請求。

代碼示例：

class ViewController: UIViewController {
    let pscope = PermissionScope()
    override func viewDidLoad() {
        super.viewDidLoad()
        pscope.addPermission(PermissionConfig(type: .Contacts, demands: .Required, message: "We use this to steal\r\nyour friends"))
        pscope.addPermission(PermissionConfig(type: .Notifications, demands: .Optional, message: "We use this to send you\r\nspam and love notes", notificationCategories: .None))
        pscope.addPermission(PermissionConfig(type: .LocationInUse, demands: .Required, message: "We use this to track\r\nwhere you live"))
        pscope.show()
    }
    @IBAction func doAThing() {
        pscope.show(authChange: { (finished, results) -> Void in
            println("got results \(results)")
        }, cancelled: { (results) -> Void in
            println("thing was cancelled")
        })
    }
}

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