NikhilManapure

    // MARK: - KVO
    
    var observedPaths: [String] = []
    
    // Usage - observeKVO(keyPath: #keyPath(camera.inputCamera.whiteBalanceMode))
    func observeKVO(keyPath: String) -> Bool {
        if shouldObserveKVO {
            if self.classForCoder.automaticallyNotifiesObservers(forKey: keyPath) {
                observedPaths.append(keyPath)
                addObserver(self, forKeyPath: keyPath, options: [.old, .new], context: nil)

NikhilManapure

extension UIView {
    func blur() {
        let blurEffect = UIBlurEffect(style: UIBlurEffectStyle.light)
        let blurEffectView = UIVisualEffectView(effect: blurEffect)
        blurEffectView.frame = self.bounds
        blurEffectView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
        self.addSubview(blurEffectView)
    }
    
    func unBlur() {

NikhilManapure

func imageByNormalizingOrientation() -> UIImage {
    if imageOrientation == .up {
        return self
    }
    UIGraphicsBeginImageContextWithOptions(size, false, scale)
    draw(in: CGRect(origin: CGPoint.zero, size: size))
    let normalizedImage: UIImage? = UIGraphicsGetImageFromCurrentImageContext()
    UIGraphicsEndImageContext()
    return normalizedImage!
}

NikhilManapure

#if !TARGET_INTERFACE_BUILDER
    // this code will run in the app itself
#else
    // this code will execute only in IB
#endif

NikhilManapure

override func prepareForInterfaceBuilder() {
     super.prepareForInterfaceBuilder()
     titleLabel.text = "Sample title"
     imageView.image = UIImage(named: "defaultProfile")
}

NikhilManapure

@IBDesignable class NMView: UIView {
    override func draw(_ rect: CGRect) {
        layer.borderWidth = 1
        // Draw your view
    }

    override func layoutSubviews() {
        super.layoutSubviews()
        //Layout your subviews according to reference to self.bounds
    }

NikhilManapure

class NMView: UIView {
    @IBInspectable var text: String? {
        didSet { label.text = text }
    }
    var label: UILabel!
}

NikhilManapure

play(sound: "ShortRing", ofType: .wav)

NikhilManapure

func disposeSoundIDs() {
   for soundID in notificationSoundLookupTable.values {
      AudioServicesDisposeSystemSoundID(soundID)
   }
}

NikhilManapure

var notificationSoundLookupTable = [String: SystemSoundID]()