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import UIKit | |
fileprivate let overlayViewTag: Int = 999 | |
fileprivate let activityIndicatorViewTag: Int = 1000 | |
// Public interface | |
extension UIView { | |
func displayAnimatedActivityIndicatorView() { | |
setActivityIndicatorView() | |
} |
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func className(target: AnyObject) -> String { | |
let nameSpaceClassName = NSStringFromClass(type(of: target)) | |
if let className = nameSpaceClassName.components(separatedBy: ".").last { | |
return className | |
} | |
return "" | |
} |
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func randomizeArray<T>(_ arr: inout Array<T>) -> Void { | |
let maxIndex = arr.count - 1 | |
for i in 0...maxIndex { | |
arr.swapAt(i, Int(arc4random_uniform(UInt32(maxIndex + 1)))) | |
} | |
} |
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extension String { | |
var base64encoded: String? { | |
if let data = self.data(using: .utf8) { | |
return data.base64EncodedString(options: Data.Base64EncodingOptions(rawValue: 0)) | |
} | |
return nil | |
} |